text: /*
   *  Catch v2.11.1
   *  Generated: 2019-12-28 21:22:11.930976
   *  ----------------------------------------------------------
   *  This file has been merged from multiple headers. Please don't edit it directly
   *  Copyright (c) 2019 Two Blue Cubes Ltd. All rights reserved.
   *
   *  Distributed under the Boost Software License, Version 1.0. (See accompanying
   *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   */
  #ifndef TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
  #define TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
  // start catch.hpp
  
  
  #define CATCH_VERSION_MAJOR 2
  #define CATCH_VERSION_MINOR 11
  #define CATCH_VERSION_PATCH 1
  
  #ifdef __clang__
  #    pragma clang system_header
  #elif defined __GNUC__
  #    pragma GCC system_header
  #endif
  
  // start catch_suppress_warnings.h
  
  #ifdef __clang__
  #   ifdef __ICC // icpc defines the __clang__ macro
  #       pragma warning(push)
  #       pragma warning(disable: 161 1682)
  #   else // __ICC
  #       pragma clang diagnostic push
  #       pragma clang diagnostic ignored "-Wpadded"
  #       pragma clang diagnostic ignored "-Wswitch-enum"
  #       pragma clang diagnostic ignored "-Wcovered-switch-default"
  #    endif
  #elif defined __GNUC__
  // Because REQUIREs trigger GCC's -Wparentheses, and because still
  // supported version of g++ have only buggy support for _Pragmas,
  // Wparentheses have to be suppressed globally.
  #    pragma GCC diagnostic ignored "-Wparentheses" // See #674 for details
  
  #    pragma GCC diagnostic push
  #    pragma GCC diagnostic ignored "-Wunused-variable"
  #    pragma GCC diagnostic ignored "-Wpadded"
  #endif
  // end catch_suppress_warnings.h
  #if defined(CATCH_CONFIG_MAIN) || defined(CATCH_CONFIG_RUNNER)
  #  define CATCH_IMPL
  #  define CATCH_CONFIG_ALL_PARTS
  #endif
  
  // In the impl file, we want to have access to all parts of the headers
  // Can also be used to sanely support PCHs
  #if defined(CATCH_CONFIG_ALL_PARTS)
  #  define CATCH_CONFIG_EXTERNAL_INTERFACES
  #  if defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #    undef CATCH_CONFIG_DISABLE_MATCHERS
  #  endif
  #  if !defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
  #    define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
  #  endif
  #endif
  
  #if !defined(CATCH_CONFIG_IMPL_ONLY)
  // start catch_platform.h
  
  #ifdef __APPLE__
  # include <TargetConditionals.h>
  # if TARGET_OS_OSX == 1
  #  define CATCH_PLATFORM_MAC
  # elif TARGET_OS_IPHONE == 1
  #  define CATCH_PLATFORM_IPHONE
  # endif
  
  #elif defined(linux) || defined(__linux) || defined(__linux__)
  #  define CATCH_PLATFORM_LINUX
  
  #elif defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER) || defined(__MINGW32__)
  #  define CATCH_PLATFORM_WINDOWS
  #endif
  
  // end catch_platform.h
  
  #ifdef CATCH_IMPL
  #  ifndef CLARA_CONFIG_MAIN
  #    define CLARA_CONFIG_MAIN_NOT_DEFINED
  #    define CLARA_CONFIG_MAIN
  #  endif
  #endif
  
  // start catch_user_interfaces.h
  
  namespace Catch {
      unsigned int rngSeed();
  }
  
  // end catch_user_interfaces.h
  // start catch_tag_alias_autoregistrar.h
  
  // start catch_common.h
  
  // start catch_compiler_capabilities.h
  
  // Detect a number of compiler features - by compiler
  // The following features are defined:
  //
  // CATCH_CONFIG_COUNTER : is the __COUNTER__ macro supported?
  // CATCH_CONFIG_WINDOWS_SEH : is Windows SEH supported?
  // CATCH_CONFIG_POSIX_SIGNALS : are POSIX signals supported?
  // CATCH_CONFIG_DISABLE_EXCEPTIONS : Are exceptions enabled?
  // ****************
  // Note to maintainers: if new toggles are added please document them
  // in configuration.md, too
  // ****************
  
  // In general each macro has a _NO_<feature name> form
  // (e.g. CATCH_CONFIG_NO_POSIX_SIGNALS) which disables the feature.
  // Many features, at point of detection, define an _INTERNAL_ macro, so they
  // can be combined, en-mass, with the _NO_ forms later.
  
  #ifdef __cplusplus
  
  #  if (__cplusplus >= 201402L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201402L)
  #    define CATCH_CPP14_OR_GREATER
  #  endif
  
  #  if (__cplusplus >= 201703L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
  #    define CATCH_CPP17_OR_GREATER
  #  endif
  
  #endif
  
  #if defined(CATCH_CPP17_OR_GREATER)
  #  define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
  #endif
  
  // We have to avoid both ICC and Clang, because they try to mask themselves
  // as gcc, and we want only GCC in this block
  #if defined(__GNUC__) && !defined(__clang__) && !defined(__ICC)
  #    define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "GCC diagnostic push" )
  #    define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION  _Pragma( "GCC diagnostic pop" )
  #endif
  
  #if defined(__clang__)
  
  #    define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "clang diagnostic push" )
  #    define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION  _Pragma( "clang diagnostic pop" )
  
  #    define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
           _Pragma( "clang diagnostic ignored \"-Wexit-time-destructors\"" ) \
           _Pragma( "clang diagnostic ignored \"-Wglobal-constructors\"")
  
  #    define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
           _Pragma( "clang diagnostic ignored \"-Wparentheses\"" )
  
  #    define CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS \
           _Pragma( "clang diagnostic ignored \"-Wunused-variable\"" )
  
  #    define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
           _Pragma( "clang diagnostic ignored \"-Wgnu-zero-variadic-macro-arguments\"" )
  
  #    define CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
           _Pragma( "clang diagnostic ignored \"-Wunused-template\"" )
  
  #endif // __clang__
  
  ////////////////////////////////////////////////////////////////////////////////
  // Assume that non-Windows platforms support posix signals by default
  #if !defined(CATCH_PLATFORM_WINDOWS)
  #define CATCH_INTERNAL_CONFIG_POSIX_SIGNALS
  #endif
  
  ////////////////////////////////////////////////////////////////////////////////
  // We know some environments not to support full POSIX signals
  #if defined(__CYGWIN__) || defined(__QNX__) || defined(__EMSCRIPTEN__) || defined(__DJGPP__)
  #define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
  #endif
  
  #ifdef __OS400__
  #       define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
  #       define CATCH_CONFIG_COLOUR_NONE
  #endif
  
  ////////////////////////////////////////////////////////////////////////////////
  // Android somehow still does not support std::to_string
  #if defined(__ANDROID__)
  #    define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING
  #    define CATCH_INTERNAL_CONFIG_ANDROID_LOGWRITE
  #endif
  
  ////////////////////////////////////////////////////////////////////////////////
  // Not all Windows environments support SEH properly
  #if defined(__MINGW32__)
  #    define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH
  #endif
  
  ////////////////////////////////////////////////////////////////////////////////
  // PS4
  #if defined(__ORBIS__)
  #    define CATCH_INTERNAL_CONFIG_NO_NEW_CAPTURE
  #endif
  
  ////////////////////////////////////////////////////////////////////////////////
  // Cygwin
  #ifdef __CYGWIN__
  
  // Required for some versions of Cygwin to declare gettimeofday
  // see: http://stackoverflow.com/questions/36901803/gettimeofday-not-declared-in-this-scope-cygwin
  #   define _BSD_SOURCE
  // some versions of cygwin (most) do not support std::to_string. Use the libstd check.
  // https://gcc.gnu.org/onlinedocs/gcc-4.8.2/libstdc++/api/a01053_source.html line 2812-2813
  # if !((__cplusplus >= 201103L) && defined(_GLIBCXX_USE_C99) \
             && !defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF))
  
  #    define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING
  
  # endif
  #endif // __CYGWIN__
  
  ////////////////////////////////////////////////////////////////////////////////
  // Visual C++
  #if defined(_MSC_VER)
  
  #  define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION __pragma( warning(push) )
  #  define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION  __pragma( warning(pop) )
  
  #  if _MSC_VER >= 1900 // Visual Studio 2015 or newer
  #    define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
  #  endif
  
  // Universal Windows platform does not support SEH
  // Or console colours (or console at all...)
  #  if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP)
  #    define CATCH_CONFIG_COLOUR_NONE
  #  else
  #    define CATCH_INTERNAL_CONFIG_WINDOWS_SEH
  #  endif
  
  // MSVC traditional preprocessor needs some workaround for __VA_ARGS__
  // _MSVC_TRADITIONAL == 0 means new conformant preprocessor
  // _MSVC_TRADITIONAL == 1 means old traditional non-conformant preprocessor
  #  if !defined(__clang__) // Handle Clang masquerading for msvc
  #    if !defined(_MSVC_TRADITIONAL) || (defined(_MSVC_TRADITIONAL) && _MSVC_TRADITIONAL)
  #      define CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #    endif // MSVC_TRADITIONAL
  #  endif // __clang__
  
  #endif // _MSC_VER
  
  #if defined(_REENTRANT) || defined(_MSC_VER)
  // Enable async processing, as -pthread is specified or no additional linking is required
  # define CATCH_INTERNAL_CONFIG_USE_ASYNC
  #endif // _MSC_VER
  
  ////////////////////////////////////////////////////////////////////////////////
  // Check if we are compiled with -fno-exceptions or equivalent
  #if defined(__EXCEPTIONS) || defined(__cpp_exceptions) || defined(_CPPUNWIND)
  #  define CATCH_INTERNAL_CONFIG_EXCEPTIONS_ENABLED
  #endif
  
  ////////////////////////////////////////////////////////////////////////////////
  // DJGPP
  #ifdef __DJGPP__
  #  define CATCH_INTERNAL_CONFIG_NO_WCHAR
  #endif // __DJGPP__
  
  ////////////////////////////////////////////////////////////////////////////////
  // Embarcadero C++Build
  #if defined(__BORLANDC__)
  #define CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN
  #endif
  
  ////////////////////////////////////////////////////////////////////////////////
  
  // Use of __COUNTER__ is suppressed during code analysis in
  // CLion/AppCode 2017.2.x and former, because __COUNTER__ is not properly
  // handled by it.
  // Otherwise all supported compilers support COUNTER macro,
  // but user still might want to turn it off
  #if ( !defined(__JETBRAINS_IDE__) || __JETBRAINS_IDE__ >= 20170300L )
  #define CATCH_INTERNAL_CONFIG_COUNTER
  #endif
  
  ////////////////////////////////////////////////////////////////////////////////
  
  // RTX is a special version of Windows that is real time.
  // This means that it is detected as Windows, but does not provide
  // the same set of capabilities as real Windows does.
  #if defined(UNDER_RTSS) || defined(RTX64_BUILD)
  #define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH
      #define CATCH_INTERNAL_CONFIG_NO_ASYNC
      #define CATCH_CONFIG_COLOUR_NONE
  #endif
  
  #if defined(__UCLIBC__)
  #define CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER
  #endif
  
  // Various stdlib support checks that require __has_include
  #if defined(__has_include)
  // Check if string_view is available and usable
  #if __has_include(<string_view>) && defined(CATCH_CPP17_OR_GREATER)
  #    define CATCH_INTERNAL_CONFIG_CPP17_STRING_VIEW
  #endif
  
  // Check if optional is available and usable
  #  if __has_include(<optional>) && defined(CATCH_CPP17_OR_GREATER)
  #    define CATCH_INTERNAL_CONFIG_CPP17_OPTIONAL
  #  endif // __has_include(<optional>) && defined(CATCH_CPP17_OR_GREATER)
  
  // Check if byte is available and usable
  #  if __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
  #    define CATCH_INTERNAL_CONFIG_CPP17_BYTE
  #  endif // __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
  
  // Check if variant is available and usable
  #  if __has_include(<variant>) && defined(CATCH_CPP17_OR_GREATER)
  #    if defined(__clang__) && (__clang_major__ < 8)
  // work around clang bug with libstdc++ https://bugs.llvm.org/show_bug.cgi?id=31852
           // fix should be in clang 8, workaround in libstdc++ 8.2
    #      include <ciso646>
    #      if defined(__GLIBCXX__) && defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE < 9)
    #        define CATCH_CONFIG_NO_CPP17_VARIANT
    #      else
    #        define CATCH_INTERNAL_CONFIG_CPP17_VARIANT
    #      endif // defined(__GLIBCXX__) && defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE < 9)
  #    else
  #      define CATCH_INTERNAL_CONFIG_CPP17_VARIANT
  #    endif // defined(__clang__) && (__clang_major__ < 8)
  #  endif // __has_include(<variant>) && defined(CATCH_CPP17_OR_GREATER)
  #endif // defined(__has_include)
  
  #if defined(CATCH_INTERNAL_CONFIG_COUNTER) && !defined(CATCH_CONFIG_NO_COUNTER) && !defined(CATCH_CONFIG_COUNTER)
  #   define CATCH_CONFIG_COUNTER
  #endif
  #if defined(CATCH_INTERNAL_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_NO_WINDOWS_SEH) && !defined(CATCH_CONFIG_WINDOWS_SEH) && !defined(CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH)
  #   define CATCH_CONFIG_WINDOWS_SEH
  #endif
  // This is set by default, because we assume that unix compilers are posix-signal-compatible by default.
  #if defined(CATCH_INTERNAL_CONFIG_POSIX_SIGNALS) && !defined(CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_POSIX_SIGNALS)
  #   define CATCH_CONFIG_POSIX_SIGNALS
  #endif
  // This is set by default, because we assume that compilers with no wchar_t support are just rare exceptions.
  #if !defined(CATCH_INTERNAL_CONFIG_NO_WCHAR) && !defined(CATCH_CONFIG_NO_WCHAR) && !defined(CATCH_CONFIG_WCHAR)
  #   define CATCH_CONFIG_WCHAR
  #endif
  
  #if !defined(CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_CPP11_TO_STRING)
  #    define CATCH_CONFIG_CPP11_TO_STRING
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_CPP17_OPTIONAL) && !defined(CATCH_CONFIG_NO_CPP17_OPTIONAL) && !defined(CATCH_CONFIG_CPP17_OPTIONAL)
  #  define CATCH_CONFIG_CPP17_OPTIONAL
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_NO_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)
  #  define CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_CPP17_STRING_VIEW) && !defined(CATCH_CONFIG_NO_CPP17_STRING_VIEW) && !defined(CATCH_CONFIG_CPP17_STRING_VIEW)
  #  define CATCH_CONFIG_CPP17_STRING_VIEW
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_CPP17_VARIANT) && !defined(CATCH_CONFIG_NO_CPP17_VARIANT) && !defined(CATCH_CONFIG_CPP17_VARIANT)
  #  define CATCH_CONFIG_CPP17_VARIANT
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_CPP17_BYTE) && !defined(CATCH_CONFIG_NO_CPP17_BYTE) && !defined(CATCH_CONFIG_CPP17_BYTE)
  #  define CATCH_CONFIG_CPP17_BYTE
  #endif
  
  #if defined(CATCH_CONFIG_EXPERIMENTAL_REDIRECT)
  #  define CATCH_INTERNAL_CONFIG_NEW_CAPTURE
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_NEW_CAPTURE) && !defined(CATCH_INTERNAL_CONFIG_NO_NEW_CAPTURE) && !defined(CATCH_CONFIG_NO_NEW_CAPTURE) && !defined(CATCH_CONFIG_NEW_CAPTURE)
  #  define CATCH_CONFIG_NEW_CAPTURE
  #endif
  
  #if !defined(CATCH_INTERNAL_CONFIG_EXCEPTIONS_ENABLED) && !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
  #  define CATCH_CONFIG_DISABLE_EXCEPTIONS
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_NO_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_POLYFILL_ISNAN)
  #  define CATCH_CONFIG_POLYFILL_ISNAN
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_USE_ASYNC)  && !defined(CATCH_INTERNAL_CONFIG_NO_ASYNC) && !defined(CATCH_CONFIG_NO_USE_ASYNC) && !defined(CATCH_CONFIG_USE_ASYNC)
  #  define CATCH_CONFIG_USE_ASYNC
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_ANDROID_LOGWRITE) && !defined(CATCH_CONFIG_NO_ANDROID_LOGWRITE) && !defined(CATCH_CONFIG_ANDROID_LOGWRITE)
  #  define CATCH_CONFIG_ANDROID_LOGWRITE
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER) && !defined(CATCH_CONFIG_NO_GLOBAL_NEXTAFTER) && !defined(CATCH_CONFIG_GLOBAL_NEXTAFTER)
  #  define CATCH_CONFIG_GLOBAL_NEXTAFTER
  #endif
  
  // Even if we do not think the compiler has that warning, we still have
  // to provide a macro that can be used by the code.
  #if !defined(CATCH_INTERNAL_START_WARNINGS_SUPPRESSION)
  #   define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
  #endif
  #if !defined(CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION)
  #   define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  #endif
  #if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS)
  #   define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
  #endif
  #if !defined(CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS)
  #   define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
  #endif
  #if !defined(CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS)
  #   define CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS
  #endif
  #if !defined(CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS)
  #   define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS
  #endif
  
  #if defined(__APPLE__) && defined(__apple_build_version__) && (__clang_major__ < 10)
  #   undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
  #elif defined(__clang__) && (__clang_major__ < 5)
  #   undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
  #endif
  
  #if !defined(CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS)
  #   define CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
  #endif
  
  #if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
  #define CATCH_TRY if ((true))
  #define CATCH_CATCH_ALL if ((false))
  #define CATCH_CATCH_ANON(type) if ((false))
  #else
  #define CATCH_TRY try
  #define CATCH_CATCH_ALL catch (...)
  #define CATCH_CATCH_ANON(type) catch (type)
  #endif
  
  #if defined(CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_NO_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR)
  #define CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #endif
  
  // end catch_compiler_capabilities.h
  #define INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line ) name##line
  #define INTERNAL_CATCH_UNIQUE_NAME_LINE( name, line ) INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line )
  #ifdef CATCH_CONFIG_COUNTER
  #  define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __COUNTER__ )
  #else
  #  define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __LINE__ )
  #endif
  
  #include <iosfwd>
  #include <string>
  #include <cstdint>
  
  // We need a dummy global operator<< so we can bring it into Catch namespace later
  struct Catch_global_namespace_dummy {};
  std::ostream& operator<<(std::ostream&, Catch_global_namespace_dummy);
  
  namespace Catch {
  
      struct CaseSensitive { enum Choice {
              Yes,
              No
          }; };
  
      class NonCopyable {
          NonCopyable( NonCopyable const& )              = delete;
          NonCopyable( NonCopyable && )                  = delete;
          NonCopyable& operator = ( NonCopyable const& ) = delete;
          NonCopyable& operator = ( NonCopyable && )     = delete;
  
      protected:
          NonCopyable();
          virtual ~NonCopyable();
      };
  
      struct SourceLineInfo {
  
          SourceLineInfo() = delete;
          SourceLineInfo( char const* _file, std::size_t _line ) noexcept
                  :   file( _file ),
                      line( _line )
          {}
  
          SourceLineInfo( SourceLineInfo const& other )            = default;
          SourceLineInfo& operator = ( SourceLineInfo const& )     = default;
          SourceLineInfo( SourceLineInfo&& )              noexcept = default;
          SourceLineInfo& operator = ( SourceLineInfo&& ) noexcept = default;
  
          bool empty() const noexcept { return file[0] == '\0'; }
          bool operator == ( SourceLineInfo const& other ) const noexcept;
          bool operator < ( SourceLineInfo const& other ) const noexcept;
  
          char const* file;
          std::size_t line;
      };
  
      std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info );
  
      // Bring in operator<< from global namespace into Catch namespace
      // This is necessary because the overload of operator<< above makes
      // lookup stop at namespace Catch
      using ::operator<<;
  
      // Use this in variadic streaming macros to allow
      //    >> +StreamEndStop
      // as well as
      //    >> stuff +StreamEndStop
      struct StreamEndStop {
          std::string operator+() const;
      };
      template<typename T>
      T const& operator + ( T const& value, StreamEndStop ) {
          return value;
      }
  }
  
  #define CATCH_INTERNAL_LINEINFO \
      ::Catch::SourceLineInfo( __FILE__, static_cast<std::size_t>( __LINE__ ) )
  
  // end catch_common.h
  namespace Catch {
  
      struct RegistrarForTagAliases {
          RegistrarForTagAliases( char const* alias, char const* tag, SourceLineInfo const& lineInfo );
      };
  
  } // end namespace Catch
  
  #define CATCH_REGISTER_TAG_ALIAS( alias, spec ) \
      CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
      CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
      namespace{ Catch::RegistrarForTagAliases INTERNAL_CATCH_UNIQUE_NAME( AutoRegisterTagAlias )( alias, spec, CATCH_INTERNAL_LINEINFO ); } \
      CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  
  // end catch_tag_alias_autoregistrar.h
  // start catch_test_registry.h
  
  // start catch_interfaces_testcase.h
  
  #include <vector>
  
  namespace Catch {
  
      class TestSpec;
  
      struct ITestInvoker {
          virtual void invoke () const = 0;
          virtual ~ITestInvoker();
      };
  
      class TestCase;
      struct IConfig;
  
      struct ITestCaseRegistry {
          virtual ~ITestCaseRegistry();
          virtual std::vector<TestCase> const& getAllTests() const = 0;
          virtual std::vector<TestCase> const& getAllTestsSorted( IConfig const& config ) const = 0;
      };
  
      bool isThrowSafe( TestCase const& testCase, IConfig const& config );
      bool matchTest( TestCase const& testCase, TestSpec const& testSpec, IConfig const& config );
      std::vector<TestCase> filterTests( std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config );
      std::vector<TestCase> const& getAllTestCasesSorted( IConfig const& config );
  
  }
  
  // end catch_interfaces_testcase.h
  // start catch_stringref.h
  
  #include <cstddef>
  #include <string>
  #include <iosfwd>
  #include <cassert>
  
  namespace Catch {
  
      /// A non-owning string class (similar to the forthcoming std::string_view)
      /// Note that, because a StringRef may be a substring of another string,
      /// it may not be null terminated.
      class StringRef {
      public:
          using size_type = std::size_t;
          using const_iterator = const char*;
  
      private:
          static constexpr char const* const s_empty = "";
  
          char const* m_start = s_empty;
          size_type m_size = 0;
  
      public: // construction
          constexpr StringRef() noexcept = default;
  
          StringRef( char const* rawChars ) noexcept;
  
          constexpr StringRef( char const* rawChars, size_type size ) noexcept
                  :   m_start( rawChars ),
                      m_size( size )
          {}
  
          StringRef( std::string const& stdString ) noexcept
                  :   m_start( stdString.c_str() ),
                      m_size( stdString.size() )
          {}
  
          explicit operator std::string() const {
              return std::string(m_start, m_size);
          }
  
      public: // operators
          auto operator == ( StringRef const& other ) const noexcept -> bool;
          auto operator != (StringRef const& other) const noexcept -> bool {
              return !(*this == other);
          }
  
          auto operator[] ( size_type index ) const noexcept -> char {
              assert(index < m_size);
              return m_start[index];
          }
  
      public: // named queries
          constexpr auto empty() const noexcept -> bool {
              return m_size == 0;
          }
          constexpr auto size() const noexcept -> size_type {
              return m_size;
          }
  
          // Returns the current start pointer. If the StringRef is not
          // null-terminated, throws std::domain_exception
          auto c_str() const -> char const*;
  
      public: // substrings and searches
          // Returns a substring of [start, start + length).
          // If start + length > size(), then the substring is [start, size()).
          // If start > size(), then the substring is empty.
          auto substr( size_type start, size_type length ) const noexcept -> StringRef;
  
          // Returns the current start pointer. May not be null-terminated.
          auto data() const noexcept -> char const*;
  
          constexpr auto isNullTerminated() const noexcept -> bool {
              return m_start[m_size] == '\0';
          }
  
      public: // iterators
          constexpr const_iterator begin() const { return m_start; }
          constexpr const_iterator end() const { return m_start + m_size; }
      };
  
      auto operator += ( std::string& lhs, StringRef const& sr ) -> std::string&;
      auto operator << ( std::ostream& os, StringRef const& sr ) -> std::ostream&;
  
      constexpr auto operator "" _sr( char const* rawChars, std::size_t size ) noexcept -> StringRef {
          return StringRef( rawChars, size );
      }
  } // namespace Catch
  
  constexpr auto operator "" _catch_sr( char const* rawChars, std::size_t size ) noexcept -> Catch::StringRef {
      return Catch::StringRef( rawChars, size );
  }
  
  // end catch_stringref.h
  // start catch_preprocessor.hpp
  
  
  #define CATCH_RECURSION_LEVEL0(...) __VA_ARGS__
  #define CATCH_RECURSION_LEVEL1(...) CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(__VA_ARGS__)))
  #define CATCH_RECURSION_LEVEL2(...) CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(__VA_ARGS__)))
  #define CATCH_RECURSION_LEVEL3(...) CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(__VA_ARGS__)))
  #define CATCH_RECURSION_LEVEL4(...) CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(__VA_ARGS__)))
  #define CATCH_RECURSION_LEVEL5(...) CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(__VA_ARGS__)))
  
  #ifdef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_EXPAND_VARGS(...) __VA_ARGS__
  // MSVC needs more evaluations
  #define CATCH_RECURSION_LEVEL6(...) CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(__VA_ARGS__)))
  #define CATCH_RECURSE(...)  CATCH_RECURSION_LEVEL6(CATCH_RECURSION_LEVEL6(__VA_ARGS__))
  #else
  #define CATCH_RECURSE(...)  CATCH_RECURSION_LEVEL5(__VA_ARGS__)
  #endif
  
  #define CATCH_REC_END(...)
  #define CATCH_REC_OUT
  
  #define CATCH_EMPTY()
  #define CATCH_DEFER(id) id CATCH_EMPTY()
  
  #define CATCH_REC_GET_END2() 0, CATCH_REC_END
  #define CATCH_REC_GET_END1(...) CATCH_REC_GET_END2
  #define CATCH_REC_GET_END(...) CATCH_REC_GET_END1
  #define CATCH_REC_NEXT0(test, next, ...) next CATCH_REC_OUT
  #define CATCH_REC_NEXT1(test, next) CATCH_DEFER ( CATCH_REC_NEXT0 ) ( test, next, 0)
  #define CATCH_REC_NEXT(test, next)  CATCH_REC_NEXT1(CATCH_REC_GET_END test, next)
  
  #define CATCH_REC_LIST0(f, x, peek, ...) , f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1) ) ( f, peek, __VA_ARGS__ )
  #define CATCH_REC_LIST1(f, x, peek, ...) , f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST0) ) ( f, peek, __VA_ARGS__ )
  #define CATCH_REC_LIST2(f, x, peek, ...)   f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1) ) ( f, peek, __VA_ARGS__ )
  
  #define CATCH_REC_LIST0_UD(f, userdata, x, peek, ...) , f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD) ) ( f, userdata, peek, __VA_ARGS__ )
  #define CATCH_REC_LIST1_UD(f, userdata, x, peek, ...) , f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST0_UD) ) ( f, userdata, peek, __VA_ARGS__ )
  #define CATCH_REC_LIST2_UD(f, userdata, x, peek, ...)   f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD) ) ( f, userdata, peek, __VA_ARGS__ )
  
  // Applies the function macro `f` to each of the remaining parameters, inserts commas between the results,
  // and passes userdata as the first parameter to each invocation,
  // e.g. CATCH_REC_LIST_UD(f, x, a, b, c) evaluates to f(x, a), f(x, b), f(x, c)
  #define CATCH_REC_LIST_UD(f, userdata, ...) CATCH_RECURSE(CATCH_REC_LIST2_UD(f, userdata, __VA_ARGS__, ()()(), ()()(), ()()(), 0))
  
  #define CATCH_REC_LIST(f, ...) CATCH_RECURSE(CATCH_REC_LIST2(f, __VA_ARGS__, ()()(), ()()(), ()()(), 0))
  
  #define INTERNAL_CATCH_EXPAND1(param) INTERNAL_CATCH_EXPAND2(param)
  #define INTERNAL_CATCH_EXPAND2(...) INTERNAL_CATCH_NO## __VA_ARGS__
  #define INTERNAL_CATCH_DEF(...) INTERNAL_CATCH_DEF __VA_ARGS__
  #define INTERNAL_CATCH_NOINTERNAL_CATCH_DEF
  #define INTERNAL_CATCH_STRINGIZE(...) INTERNAL_CATCH_STRINGIZE2(__VA_ARGS__)
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_STRINGIZE2(...) #__VA_ARGS__
  #define INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS(param) INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_REMOVE_PARENS(param))
  #else
  // MSVC is adding extra space and needs another indirection to expand INTERNAL_CATCH_NOINTERNAL_CATCH_DEF
  #define INTERNAL_CATCH_STRINGIZE2(...) INTERNAL_CATCH_STRINGIZE3(__VA_ARGS__)
  #define INTERNAL_CATCH_STRINGIZE3(...) #__VA_ARGS__
  #define INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS(param) (INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_REMOVE_PARENS(param)) + 1)
  #endif
  
  #define INTERNAL_CATCH_MAKE_NAMESPACE2(...) ns_##__VA_ARGS__
  #define INTERNAL_CATCH_MAKE_NAMESPACE(name) INTERNAL_CATCH_MAKE_NAMESPACE2(name)
  
  #define INTERNAL_CATCH_REMOVE_PARENS(...) INTERNAL_CATCH_EXPAND1(INTERNAL_CATCH_DEF __VA_ARGS__)
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_MAKE_TYPE_LIST2(...) decltype(get_wrapper<INTERNAL_CATCH_REMOVE_PARENS_GEN(__VA_ARGS__)>())
  #define INTERNAL_CATCH_MAKE_TYPE_LIST(...) INTERNAL_CATCH_MAKE_TYPE_LIST2(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__))
  #else
  #define INTERNAL_CATCH_MAKE_TYPE_LIST2(...) INTERNAL_CATCH_EXPAND_VARGS(decltype(get_wrapper<INTERNAL_CATCH_REMOVE_PARENS_GEN(__VA_ARGS__)>()))
  #define INTERNAL_CATCH_MAKE_TYPE_LIST(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_MAKE_TYPE_LIST2(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__)))
  #endif
  
  #define INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(...)\
      CATCH_REC_LIST(INTERNAL_CATCH_MAKE_TYPE_LIST,__VA_ARGS__)
  
  #define INTERNAL_CATCH_REMOVE_PARENS_1_ARG(_0) INTERNAL_CATCH_REMOVE_PARENS(_0)
  #define INTERNAL_CATCH_REMOVE_PARENS_2_ARG(_0, _1) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_1_ARG(_1)
  #define INTERNAL_CATCH_REMOVE_PARENS_3_ARG(_0, _1, _2) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_2_ARG(_1, _2)
  #define INTERNAL_CATCH_REMOVE_PARENS_4_ARG(_0, _1, _2, _3) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_3_ARG(_1, _2, _3)
  #define INTERNAL_CATCH_REMOVE_PARENS_5_ARG(_0, _1, _2, _3, _4) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_4_ARG(_1, _2, _3, _4)
  #define INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_0, _1, _2, _3, _4, _5) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_5_ARG(_1, _2, _3, _4, _5)
  #define INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_0, _1, _2, _3, _4, _5, _6) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_1, _2, _4, _5, _6)
  #define INTERNAL_CATCH_REMOVE_PARENS_8_ARG(_0, _1, _2, _3, _4, _5, _6, _7) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_1, _2, _3, _4, _5, _6, _7)
  #define INTERNAL_CATCH_REMOVE_PARENS_9_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_8_ARG(_1, _2, _3, _4, _5, _6, _7, _8)
  #define INTERNAL_CATCH_REMOVE_PARENS_10_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_9_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9)
  #define INTERNAL_CATCH_REMOVE_PARENS_11_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_10_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10)
  
  #define INTERNAL_CATCH_VA_NARGS_IMPL(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N
  
  #define INTERNAL_CATCH_TYPE_GEN\
      template<typename...> struct TypeList {};\
      template<typename...Ts>\
      constexpr auto get_wrapper() noexcept -> TypeList<Ts...> { return {}; }\
      template<template<typename...> class...> struct TemplateTypeList{};\
      template<template<typename...> class...Cs>\
      constexpr auto get_wrapper() noexcept -> TemplateTypeList<Cs...> { return {}; }\
      template<typename...>\
      struct append;\
      template<typename...>\
      struct rewrap;\
      template<template<typename...> class, typename...>\
      struct create;\
      template<template<typename...> class, typename>\
      struct convert;\
      \
      template<typename T> \
      struct append<T> { using type = T; };\
      template< template<typename...> class L1, typename...E1, template<typename...> class L2, typename...E2, typename...Rest>\
      struct append<L1<E1...>, L2<E2...>, Rest...> { using type = typename append<L1<E1...,E2...>, Rest...>::type; };\
      template< template<typename...> class L1, typename...E1, typename...Rest>\
      struct append<L1<E1...>, TypeList<mpl_::na>, Rest...> { using type = L1<E1...>; };\
      \
      template< template<typename...> class Container, template<typename...> class List, typename...elems>\
      struct rewrap<TemplateTypeList<Container>, List<elems...>> { using type = TypeList<Container<elems...>>; };\
      template< template<typename...> class Container, template<typename...> class List, class...Elems, typename...Elements>\
      struct rewrap<TemplateTypeList<Container>, List<Elems...>, Elements...> { using type = typename append<TypeList<Container<Elems...>>, typename rewrap<TemplateTypeList<Container>, Elements...>::type>::type; };\
      \
      template<template <typename...> class Final, template< typename...> class...Containers, typename...Types>\
      struct create<Final, TemplateTypeList<Containers...>, TypeList<Types...>> { using type = typename append<Final<>, typename rewrap<TemplateTypeList<Containers>, Types...>::type...>::type; };\
      template<template <typename...> class Final, template <typename...> class List, typename...Ts>\
      struct convert<Final, List<Ts...>> { using type = typename append<Final<>,TypeList<Ts>...>::type; };
  
  #define INTERNAL_CATCH_NTTP_1(signature, ...)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)> struct Nttp{};\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)>\
      constexpr auto get_wrapper() noexcept -> Nttp<__VA_ARGS__> { return {}; } \
      template<template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class...> struct NttpTemplateTypeList{};\
      template<template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class...Cs>\
      constexpr auto get_wrapper() noexcept -> NttpTemplateTypeList<Cs...> { return {}; } \
      \
      template< template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class Container, template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class List, INTERNAL_CATCH_REMOVE_PARENS(signature)>\
      struct rewrap<NttpTemplateTypeList<Container>, List<__VA_ARGS__>> { using type = TypeList<Container<__VA_ARGS__>>; };\
      template< template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class Container, template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class List, INTERNAL_CATCH_REMOVE_PARENS(signature), typename...Elements>\
      struct rewrap<NttpTemplateTypeList<Container>, List<__VA_ARGS__>, Elements...> { using type = typename append<TypeList<Container<__VA_ARGS__>>, typename rewrap<NttpTemplateTypeList<Container>, Elements...>::type>::type; };\
      template<template <typename...> class Final, template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class...Containers, typename...Types>\
      struct create<Final, NttpTemplateTypeList<Containers...>, TypeList<Types...>> { using type = typename append<Final<>, typename rewrap<NttpTemplateTypeList<Containers>, Types...>::type...>::type; };
  
  #define INTERNAL_CATCH_DECLARE_SIG_TEST0(TestName)
  #define INTERNAL_CATCH_DECLARE_SIG_TEST1(TestName, signature)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)>\
      static void TestName()
  #define INTERNAL_CATCH_DECLARE_SIG_TEST_X(TestName, signature, ...)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)>\
      static void TestName()
  
  #define INTERNAL_CATCH_DEFINE_SIG_TEST0(TestName)
  #define INTERNAL_CATCH_DEFINE_SIG_TEST1(TestName, signature)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)>\
      static void TestName()
  #define INTERNAL_CATCH_DEFINE_SIG_TEST_X(TestName, signature,...)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)>\
      static void TestName()
  
  #define INTERNAL_CATCH_NTTP_REGISTER0(TestFunc, signature)\
      template<typename Type>\
      void reg_test(TypeList<Type>, Catch::NameAndTags nameAndTags)\
      {\
          Catch::AutoReg( Catch::makeTestInvoker(&TestFunc<Type>), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), nameAndTags);\
      }
  
  #define INTERNAL_CATCH_NTTP_REGISTER(TestFunc, signature, ...)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)>\
      void reg_test(Nttp<__VA_ARGS__>, Catch::NameAndTags nameAndTags)\
      {\
          Catch::AutoReg( Catch::makeTestInvoker(&TestFunc<__VA_ARGS__>), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), nameAndTags);\
      }
  
  #define INTERNAL_CATCH_NTTP_REGISTER_METHOD0(TestName, signature, ...)\
      template<typename Type>\
      void reg_test(TypeList<Type>, Catch::StringRef className, Catch::NameAndTags nameAndTags)\
      {\
          Catch::AutoReg( Catch::makeTestInvoker(&TestName<Type>::test), CATCH_INTERNAL_LINEINFO, className, nameAndTags);\
      }
  
  #define INTERNAL_CATCH_NTTP_REGISTER_METHOD(TestName, signature, ...)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)>\
      void reg_test(Nttp<__VA_ARGS__>, Catch::StringRef className, Catch::NameAndTags nameAndTags)\
      {\
          Catch::AutoReg( Catch::makeTestInvoker(&TestName<__VA_ARGS__>::test), CATCH_INTERNAL_LINEINFO, className, nameAndTags);\
      }
  
  #define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD0(TestName, ClassName)
  #define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD1(TestName, ClassName, signature)\
      template<typename TestType> \
      struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName)<TestType> { \
          void test();\
      }
  
  #define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X(TestName, ClassName, signature, ...)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)> \
      struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName)<__VA_ARGS__> { \
          void test();\
      }
  
  #define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD0(TestName)
  #define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD1(TestName, signature)\
      template<typename TestType> \
      void INTERNAL_CATCH_MAKE_NAMESPACE(TestName)::TestName<TestType>::test()
  #define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X(TestName, signature, ...)\
      template<INTERNAL_CATCH_REMOVE_PARENS(signature)> \
      void INTERNAL_CATCH_MAKE_NAMESPACE(TestName)::TestName<__VA_ARGS__>::test()
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_NTTP_0
  #define INTERNAL_CATCH_NTTP_GEN(...) INTERNAL_CATCH_VA_NARGS_IMPL(__VA_ARGS__, INTERNAL_CATCH_NTTP_1(__VA_ARGS__), INTERNAL_CATCH_NTTP_1(__VA_ARGS__), INTERNAL_CATCH_NTTP_1(__VA_ARGS__), INTERNAL_CATCH_NTTP_1(__VA_ARGS__), INTERNAL_CATCH_NTTP_1(__VA_ARGS__), INTERNAL_CATCH_NTTP_1( __VA_ARGS__), INTERNAL_CATCH_NTTP_1( __VA_ARGS__), INTERNAL_CATCH_NTTP_1( __VA_ARGS__), INTERNAL_CATCH_NTTP_1( __VA_ARGS__),INTERNAL_CATCH_NTTP_1( __VA_ARGS__), INTERNAL_CATCH_NTTP_0)
  #define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, ...) INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD1, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD0)(TestName, __VA_ARGS__)
  #define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD(TestName, ClassName, ...) INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD1, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD0)(TestName, ClassName, __VA_ARGS__)
  #define INTERNAL_CATCH_NTTP_REG_METHOD_GEN(TestName, ...) INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD0, INTERNAL_CATCH_NTTP_REGISTER_METHOD0)(TestName, __VA_ARGS__)
  #define INTERNAL_CATCH_NTTP_REG_GEN(TestFunc, ...) INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER0, INTERNAL_CATCH_NTTP_REGISTER0)(TestFunc, __VA_ARGS__)
  #define INTERNAL_CATCH_DEFINE_SIG_TEST(TestName, ...) INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X,INTERNAL_CATCH_DEFINE_SIG_TEST_X,INTERNAL_CATCH_DEFINE_SIG_TEST1, INTERNAL_CATCH_DEFINE_SIG_TEST0)(TestName, __VA_ARGS__)
  #define INTERNAL_CATCH_DECLARE_SIG_TEST(TestName, ...) INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_DECLARE_SIG_TEST_X,INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X,INTERNAL_CATCH_DECLARE_SIG_TEST_X,INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST1, INTERNAL_CATCH_DECLARE_SIG_TEST0)(TestName, __VA_ARGS__)
  #define INTERNAL_CATCH_REMOVE_PARENS_GEN(...) INTERNAL_CATCH_VA_NARGS_IMPL(__VA_ARGS__, INTERNAL_CATCH_REMOVE_PARENS_11_ARG,INTERNAL_CATCH_REMOVE_PARENS_10_ARG,INTERNAL_CATCH_REMOVE_PARENS_9_ARG,INTERNAL_CATCH_REMOVE_PARENS_8_ARG,INTERNAL_CATCH_REMOVE_PARENS_7_ARG,INTERNAL_CATCH_REMOVE_PARENS_6_ARG,INTERNAL_CATCH_REMOVE_PARENS_5_ARG,INTERNAL_CATCH_REMOVE_PARENS_4_ARG,INTERNAL_CATCH_REMOVE_PARENS_3_ARG,INTERNAL_CATCH_REMOVE_PARENS_2_ARG,INTERNAL_CATCH_REMOVE_PARENS_1_ARG)(__VA_ARGS__)
  #else
  #define INTERNAL_CATCH_NTTP_0(signature)
  #define INTERNAL_CATCH_NTTP_GEN(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL(__VA_ARGS__, INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_1,INTERNAL_CATCH_NTTP_1, INTERNAL_CATCH_NTTP_0)( __VA_ARGS__))
  #define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, ...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD1, INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD0)(TestName, __VA_ARGS__))
  #define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD(TestName, ClassName, ...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X,INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD1, INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD0)(TestName, ClassName, __VA_ARGS__))
  #define INTERNAL_CATCH_NTTP_REG_METHOD_GEN(TestName, ...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD, INTERNAL_CATCH_NTTP_REGISTER_METHOD0, INTERNAL_CATCH_NTTP_REGISTER_METHOD0)(TestName, __VA_ARGS__))
  #define INTERNAL_CATCH_NTTP_REG_GEN(TestFunc, ...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER, INTERNAL_CATCH_NTTP_REGISTER0, INTERNAL_CATCH_NTTP_REGISTER0)(TestFunc, __VA_ARGS__))
  #define INTERNAL_CATCH_DEFINE_SIG_TEST(TestName, ...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X,INTERNAL_CATCH_DEFINE_SIG_TEST_X,INTERNAL_CATCH_DEFINE_SIG_TEST1, INTERNAL_CATCH_DEFINE_SIG_TEST0)(TestName, __VA_ARGS__))
  #define INTERNAL_CATCH_DECLARE_SIG_TEST(TestName, ...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL( "dummy", __VA_ARGS__, INTERNAL_CATCH_DECLARE_SIG_TEST_X,INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DEFINE_SIG_TEST_X,INTERNAL_CATCH_DECLARE_SIG_TEST_X,INTERNAL_CATCH_DECLARE_SIG_TEST_X, INTERNAL_CATCH_DECLARE_SIG_TEST1, INTERNAL_CATCH_DECLARE_SIG_TEST0)(TestName, __VA_ARGS__))
  #define INTERNAL_CATCH_REMOVE_PARENS_GEN(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL(__VA_ARGS__, INTERNAL_CATCH_REMOVE_PARENS_11_ARG,INTERNAL_CATCH_REMOVE_PARENS_10_ARG,INTERNAL_CATCH_REMOVE_PARENS_9_ARG,INTERNAL_CATCH_REMOVE_PARENS_8_ARG,INTERNAL_CATCH_REMOVE_PARENS_7_ARG,INTERNAL_CATCH_REMOVE_PARENS_6_ARG,INTERNAL_CATCH_REMOVE_PARENS_5_ARG,INTERNAL_CATCH_REMOVE_PARENS_4_ARG,INTERNAL_CATCH_REMOVE_PARENS_3_ARG,INTERNAL_CATCH_REMOVE_PARENS_2_ARG,INTERNAL_CATCH_REMOVE_PARENS_1_ARG)(__VA_ARGS__))
  #endif
  
  // end catch_preprocessor.hpp
  // start catch_meta.hpp
  
  
  #include <type_traits>
  
  namespace Catch {
      template<typename T>
      struct always_false : std::false_type {};
  
      template <typename> struct true_given : std::true_type {};
      struct is_callable_tester {
          template <typename Fun, typename... Args>
          true_given<decltype(std::declval<Fun>()(std::declval<Args>()...))> static test(int);
          template <typename...>
          std::false_type static test(...);
      };
  
      template <typename T>
      struct is_callable;
  
      template <typename Fun, typename... Args>
      struct is_callable<Fun(Args...)> : decltype(is_callable_tester::test<Fun, Args...>(0)) {};
  
  #if defined(__cpp_lib_is_invocable) && __cpp_lib_is_invocable >= 201703
      // std::result_of is deprecated in C++17 and removed in C++20. Hence, it is
      // replaced with std::invoke_result here. Also *_t format is preferred over
      // typename *::type format.
      template <typename Func, typename U>
      using FunctionReturnType = std::remove_reference_t<std::remove_cv_t<std::invoke_result_t<Func, U>>>;
  #else
      template <typename Func, typename U>
      using FunctionReturnType = typename std::remove_reference<typename std::remove_cv<typename std::result_of<Func(U)>::type>::type>::type;
  #endif
  
  } // namespace Catch
  
  namespace mpl_{
      struct na;
  }
  
  // end catch_meta.hpp
  namespace Catch {
  
      template<typename C>
      class TestInvokerAsMethod : public ITestInvoker {
          void (C::*m_testAsMethod)();
      public:
          TestInvokerAsMethod( void (C::*testAsMethod)() ) noexcept : m_testAsMethod( testAsMethod ) {}
  
          void invoke() const override {
              C obj;
              (obj.*m_testAsMethod)();
          }
      };
  
      auto makeTestInvoker( void(*testAsFunction)() ) noexcept -> ITestInvoker*;
  
      template<typename C>
      auto makeTestInvoker( void (C::*testAsMethod)() ) noexcept -> ITestInvoker* {
          return new(std::nothrow) TestInvokerAsMethod<C>( testAsMethod );
      }
  
      struct NameAndTags {
          NameAndTags( StringRef const& name_ = StringRef(), StringRef const& tags_ = StringRef() ) noexcept;
          StringRef name;
          StringRef tags;
      };
  
      struct AutoReg : NonCopyable {
          AutoReg( ITestInvoker* invoker, SourceLineInfo const& lineInfo, StringRef const& classOrMethod, NameAndTags const& nameAndTags ) noexcept;
          ~AutoReg();
      };
  
  } // end namespace Catch
  
  #if defined(CATCH_CONFIG_DISABLE)
  #define INTERNAL_CATCH_TESTCASE_NO_REGISTRATION( TestName, ... ) \
          static void TestName()
      #define INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION( TestName, ClassName, ... ) \
          namespace{                        \
              struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName) { \
                  void test();              \
              };                            \
          }                                 \
          void TestName::test()
      #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2( TestName, TestFunc, Name, Tags, Signature, ... )  \
          INTERNAL_CATCH_DEFINE_SIG_TEST(TestFunc, INTERNAL_CATCH_REMOVE_PARENS(Signature))
      #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2( TestNameClass, TestName, ClassName, Name, Tags, Signature, ... )    \
          namespace{                                                                                  \
              namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) {                                      \
              INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD(TestName, ClassName, INTERNAL_CATCH_REMOVE_PARENS(Signature));\
          }                                                                                           \
          }                                                                                           \
          INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, INTERNAL_CATCH_REMOVE_PARENS(Signature))
  
      #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
          #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(Name, Tags, ...) \
              INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, typename TestType, __VA_ARGS__ )
      #else
          #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(Name, Tags, ...) \
              INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, typename TestType, __VA_ARGS__ ) )
      #endif
  
      #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
          #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(Name, Tags, Signature, ...) \
              INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, Signature, __VA_ARGS__ )
      #else
          #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(Name, Tags, Signature, ...) \
              INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, Signature, __VA_ARGS__ ) )
      #endif
  
      #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
          #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION( ClassName, Name, Tags,... ) \
              INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, typename T, __VA_ARGS__ )
      #else
          #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION( ClassName, Name, Tags,... ) \
              INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, typename T, __VA_ARGS__ ) )
      #endif
  
      #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
          #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION( ClassName, Name, Tags, Signature, ... ) \
              INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, Signature, __VA_ARGS__ )
      #else
          #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION( ClassName, Name, Tags, Signature, ... ) \
              INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, Signature, __VA_ARGS__ ) )
      #endif
  #endif
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_TESTCASE2( TestName, ... ) \
          static void TestName(); \
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          namespace{ Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( &TestName ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ __VA_ARGS__ } ); } /* NOLINT */ \
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
          static void TestName()
  #define INTERNAL_CATCH_TESTCASE( ... ) \
          INTERNAL_CATCH_TESTCASE2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), __VA_ARGS__ )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_METHOD_AS_TEST_CASE( QualifiedMethod, ... ) \
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          namespace{ Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( &QualifiedMethod ), CATCH_INTERNAL_LINEINFO, "&" #QualifiedMethod, Catch::NameAndTags{ __VA_ARGS__ } ); } /* NOLINT */ \
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_TEST_CASE_METHOD2( TestName, ClassName, ... )\
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          namespace{ \
              struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName) { \
                  void test(); \
              }; \
              Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar ) ( Catch::makeTestInvoker( &TestName::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
          } \
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
          void TestName::test()
  #define INTERNAL_CATCH_TEST_CASE_METHOD( ClassName, ... ) \
          INTERNAL_CATCH_TEST_CASE_METHOD2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), ClassName, __VA_ARGS__ )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_REGISTER_TESTCASE( Function, ... ) \
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( Function ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_2(TestName, TestFunc, Name, Tags, Signature, ... )\
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
          CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
          INTERNAL_CATCH_DECLARE_SIG_TEST(TestFunc, INTERNAL_CATCH_REMOVE_PARENS(Signature));\
          namespace {\
          namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName){\
              INTERNAL_CATCH_TYPE_GEN\
              INTERNAL_CATCH_NTTP_GEN(INTERNAL_CATCH_REMOVE_PARENS(Signature))\
              INTERNAL_CATCH_NTTP_REG_GEN(TestFunc,INTERNAL_CATCH_REMOVE_PARENS(Signature))\
              template<typename...Types> \
              struct TestName{\
                  TestName(){\
                      int index = 0;                                    \
                      constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, __VA_ARGS__)};\
                      using expander = int[];\
                      (void)expander{(reg_test(Types{}, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index]), Tags } ), index++, 0)... };/* NOLINT */ \
                  }\
              };\
              static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
              TestName<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(__VA_ARGS__)>();\
              return 0;\
          }();\
          }\
          }\
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
          INTERNAL_CATCH_DEFINE_SIG_TEST(TestFunc,INTERNAL_CATCH_REMOVE_PARENS(Signature))
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE(Name, Tags, ...) \
          INTERNAL_CATCH_TEMPLATE_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, typename TestType, __VA_ARGS__ )
  #else
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE(Name, Tags, ...) \
          INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, typename TestType, __VA_ARGS__ ) )
  #endif
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(Name, Tags, Signature, ...) \
          INTERNAL_CATCH_TEMPLATE_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, Signature, __VA_ARGS__ )
  #else
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(Name, Tags, Signature, ...) \
          INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, Signature, __VA_ARGS__ ) )
  #endif
  
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(TestName, TestFuncName, Name, Tags, Signature, TmplTypes, TypesList) \
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                      \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                      \
          CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS                \
          CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS              \
          template<typename TestType> static void TestFuncName();       \
          namespace {\
          namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) {                                     \
              INTERNAL_CATCH_TYPE_GEN                                                  \
              INTERNAL_CATCH_NTTP_GEN(INTERNAL_CATCH_REMOVE_PARENS(Signature))         \
              template<typename... Types>                               \
              struct TestName {                                         \
                  void reg_tests() {                                          \
                      int index = 0;                                    \
                      using expander = int[];                           \
                      constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TmplTypes))};\
                      constexpr char const* types_list[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TypesList))};\
                      constexpr auto num_types = sizeof(types_list) / sizeof(types_list[0]);\
                      (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFuncName<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index / num_types]) + "<" + std::string(types_list[index % num_types]) + ">", Tags } ), index++, 0)... };/* NOLINT */\
                  }                                                     \
              };                                                        \
              static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){ \
                  using TestInit = typename create<TestName, decltype(get_wrapper<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)>()), TypeList<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(INTERNAL_CATCH_REMOVE_PARENS(TypesList))>>::type; \
                  TestInit t;                                           \
                  t.reg_tests();                                        \
                  return 0;                                             \
              }();                                                      \
          }                                                             \
          }                                                             \
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                       \
          template<typename TestType>                                   \
          static void TestFuncName()
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(Name, Tags, ...)\
          INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, typename T,__VA_ARGS__)
  #else
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(Name, Tags, ...)\
          INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, typename T, __VA_ARGS__ ) )
  #endif
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(Name, Tags, Signature, ...)\
          INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, Signature, __VA_ARGS__)
  #else
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(Name, Tags, Signature, ...)\
          INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, Signature, __VA_ARGS__ ) )
  #endif
  
  #define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_2(TestName, TestFunc, Name, Tags, TmplList)\
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
          template<typename TestType> static void TestFunc();       \
          namespace {\
          namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName){\
          INTERNAL_CATCH_TYPE_GEN\
          template<typename... Types>                               \
          struct TestName {                                         \
              void reg_tests() {                                          \
                  int index = 0;                                    \
                  using expander = int[];                           \
                  (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFunc<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ Name " - " + std::string(INTERNAL_CATCH_STRINGIZE(TmplList)) + " - " + std::to_string(index), Tags } ), index++, 0)... };/* NOLINT */\
              }                                                     \
          };\
          static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){ \
                  using TestInit = typename convert<TestName, TmplList>::type; \
                  TestInit t;                                           \
                  t.reg_tests();                                        \
                  return 0;                                             \
              }();                                                      \
          }}\
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                       \
          template<typename TestType>                                   \
          static void TestFunc()
  
  #define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE(Name, Tags, TmplList) \
          INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, TmplList )
  
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( TestNameClass, TestName, ClassName, Name, Tags, Signature, ... ) \
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
          CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
          namespace {\
          namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName){ \
              INTERNAL_CATCH_TYPE_GEN\
              INTERNAL_CATCH_NTTP_GEN(INTERNAL_CATCH_REMOVE_PARENS(Signature))\
              INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD(TestName, ClassName, INTERNAL_CATCH_REMOVE_PARENS(Signature));\
              INTERNAL_CATCH_NTTP_REG_METHOD_GEN(TestName, INTERNAL_CATCH_REMOVE_PARENS(Signature))\
              template<typename...Types> \
              struct TestNameClass{\
                  TestNameClass(){\
                      int index = 0;                                    \
                      constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, __VA_ARGS__)};\
                      using expander = int[];\
                      (void)expander{(reg_test(Types{}, #ClassName, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index]), Tags } ), index++, 0)... };/* NOLINT */ \
                  }\
              };\
              static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
                  TestNameClass<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(__VA_ARGS__)>();\
                  return 0;\
          }();\
          }\
          }\
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
          INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, INTERNAL_CATCH_REMOVE_PARENS(Signature))
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( ClassName, Name, Tags,... ) \
          INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, typename T, __VA_ARGS__ )
  #else
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( ClassName, Name, Tags,... ) \
          INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, typename T, __VA_ARGS__ ) )
  #endif
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( ClassName, Name, Tags, Signature, ... ) \
          INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, Signature, __VA_ARGS__ )
  #else
  #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( ClassName, Name, Tags, Signature, ... ) \
          INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, Signature, __VA_ARGS__ ) )
  #endif
  
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2(TestNameClass, TestName, ClassName, Name, Tags, Signature, TmplTypes, TypesList)\
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
          CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
          template<typename TestType> \
              struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName <TestType>) { \
                  void test();\
              };\
          namespace {\
          namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestNameClass) {\
              INTERNAL_CATCH_TYPE_GEN                  \
              INTERNAL_CATCH_NTTP_GEN(INTERNAL_CATCH_REMOVE_PARENS(Signature))\
              template<typename...Types>\
              struct TestNameClass{\
                  void reg_tests(){\
                      int index = 0;\
                      using expander = int[];\
                      constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TmplTypes))};\
                      constexpr char const* types_list[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TypesList))};\
                      constexpr auto num_types = sizeof(types_list) / sizeof(types_list[0]);\
                      (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index / num_types]) + "<" + std::string(types_list[index % num_types]) + ">", Tags } ), index++, 0)... };/* NOLINT */ \
                  }\
              };\
              static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
                  using TestInit = typename create<TestNameClass, decltype(get_wrapper<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)>()), TypeList<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(INTERNAL_CATCH_REMOVE_PARENS(TypesList))>>::type;\
                  TestInit t;\
                  t.reg_tests();\
                  return 0;\
              }(); \
          }\
          }\
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
          template<typename TestType> \
          void TestName<TestType>::test()
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( ClassName, Name, Tags, ... )\
          INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), ClassName, Name, Tags, typename T, __VA_ARGS__ )
  #else
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( ClassName, Name, Tags, ... )\
          INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), ClassName, Name, Tags, typename T,__VA_ARGS__ ) )
  #endif
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( ClassName, Name, Tags, Signature, ... )\
          INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), ClassName, Name, Tags, Signature, __VA_ARGS__ )
  #else
  #define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( ClassName, Name, Tags, Signature, ... )\
          INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), ClassName, Name, Tags, Signature,__VA_ARGS__ ) )
  #endif
  
  #define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD_2( TestNameClass, TestName, ClassName, Name, Tags, TmplList) \
          CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
          CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
          template<typename TestType> \
          struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName <TestType>) { \
              void test();\
          };\
          namespace {\
          namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName){ \
              INTERNAL_CATCH_TYPE_GEN\
              template<typename...Types>\
              struct TestNameClass{\
                  void reg_tests(){\
                      int index = 0;\
                      using expander = int[];\
                      (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ Name " - " + std::string(INTERNAL_CATCH_STRINGIZE(TmplList)) + " - " + std::to_string(index), Tags } ), index++, 0)... };/* NOLINT */ \
                  }\
              };\
              static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
                  using TestInit = typename convert<TestNameClass, TmplList>::type;\
                  TestInit t;\
                  t.reg_tests();\
                  return 0;\
              }(); \
          }}\
          CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
          template<typename TestType> \
          void TestName<TestType>::test()
  
  #define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD(ClassName, Name, Tags, TmplList) \
          INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), ClassName, Name, Tags, TmplList )
  
  // end catch_test_registry.h
  // start catch_capture.hpp
  
  // start catch_assertionhandler.h
  
  // start catch_assertioninfo.h
  
  // start catch_result_type.h
  
  namespace Catch {
  
      // ResultWas::OfType enum
      struct ResultWas { enum OfType {
              Unknown = -1,
              Ok = 0,
              Info = 1,
              Warning = 2,
  
              FailureBit = 0x10,
  
              ExpressionFailed = FailureBit | 1,
              ExplicitFailure = FailureBit | 2,
  
              Exception = 0x100 | FailureBit,
  
              ThrewException = Exception | 1,
              DidntThrowException = Exception | 2,
  
              FatalErrorCondition = 0x200 | FailureBit
  
          }; };
  
      bool isOk( ResultWas::OfType resultType );
      bool isJustInfo( int flags );
  
      // ResultDisposition::Flags enum
      struct ResultDisposition { enum Flags {
              Normal = 0x01,
  
              ContinueOnFailure = 0x02,   // Failures fail test, but execution continues
              FalseTest = 0x04,           // Prefix expression with !
              SuppressFail = 0x08         // Failures are reported but do not fail the test
          }; };
  
      ResultDisposition::Flags operator | ( ResultDisposition::Flags lhs, ResultDisposition::Flags rhs );
  
      bool shouldContinueOnFailure( int flags );
      inline bool isFalseTest( int flags ) { return ( flags & ResultDisposition::FalseTest ) != 0; }
      bool shouldSuppressFailure( int flags );
  
  } // end namespace Catch
  
  // end catch_result_type.h
  namespace Catch {
  
      struct AssertionInfo
      {
          StringRef macroName;
          SourceLineInfo lineInfo;
          StringRef capturedExpression;
          ResultDisposition::Flags resultDisposition;
  
          // We want to delete this constructor but a compiler bug in 4.8 means
          // the struct is then treated as non-aggregate
          //AssertionInfo() = delete;
      };
  
  } // end namespace Catch
  
  // end catch_assertioninfo.h
  // start catch_decomposer.h
  
  // start catch_tostring.h
  
  #include <vector>
  #include <cstddef>
  #include <type_traits>
  #include <string>
  // start catch_stream.h
  
  #include <iosfwd>
  #include <cstddef>
  #include <ostream>
  
  namespace Catch {
  
      std::ostream& cout();
      std::ostream& cerr();
      std::ostream& clog();
  
      class StringRef;
  
      struct IStream {
          virtual ~IStream();
          virtual std::ostream& stream() const = 0;
      };
  
      auto makeStream( StringRef const &filename ) -> IStream const*;
  
      class ReusableStringStream : NonCopyable {
          std::size_t m_index;
          std::ostream* m_oss;
      public:
          ReusableStringStream();
          ~ReusableStringStream();
  
          auto str() const -> std::string;
  
          template<typename T>
          auto operator << ( T const& value ) -> ReusableStringStream& {
              *m_oss << value;
              return *this;
          }
          auto get() -> std::ostream& { return *m_oss; }
      };
  }
  
  // end catch_stream.h
  // start catch_interfaces_enum_values_registry.h
  
  #include <vector>
  
  namespace Catch {
  
      namespace Detail {
          struct EnumInfo {
              StringRef m_name;
              std::vector<std::pair<int, StringRef>> m_values;
  
              ~EnumInfo();
  
              StringRef lookup( int value ) const;
          };
      } // namespace Detail
  
      struct IMutableEnumValuesRegistry {
          virtual ~IMutableEnumValuesRegistry();
  
          virtual Detail::EnumInfo const& registerEnum( StringRef enumName, StringRef allEnums, std::vector<int> const& values ) = 0;
  
          template<typename E>
          Detail::EnumInfo const& registerEnum( StringRef enumName, StringRef allEnums, std::initializer_list<E> values ) {
              static_assert(sizeof(int) >= sizeof(E), "Cannot serialize enum to int");
              std::vector<int> intValues;
              intValues.reserve( values.size() );
              for( auto enumValue : values )
                  intValues.push_back( static_cast<int>( enumValue ) );
              return registerEnum( enumName, allEnums, intValues );
          }
      };
  
  } // Catch
  
  // end catch_interfaces_enum_values_registry.h
  
  #ifdef CATCH_CONFIG_CPP17_STRING_VIEW
  #include <string_view>
  #endif
  
  #ifdef __OBJC__
  // start catch_objc_arc.hpp
  
  #import <Foundation/Foundation.h>
  
  #ifdef __has_feature
  #define CATCH_ARC_ENABLED __has_feature(objc_arc)
  #else
  #define CATCH_ARC_ENABLED 0
  #endif
  
  void arcSafeRelease( NSObject* obj );
  id performOptionalSelector( id obj, SEL sel );
  
  #if !CATCH_ARC_ENABLED
  inline void arcSafeRelease( NSObject* obj ) {
      [obj release];
  }
  inline id performOptionalSelector( id obj, SEL sel ) {
      if( [obj respondsToSelector: sel] )
          return [obj performSelector: sel];
      return nil;
  }
  #define CATCH_UNSAFE_UNRETAINED
  #define CATCH_ARC_STRONG
  #else
  inline void arcSafeRelease( NSObject* ){}
  inline id performOptionalSelector( id obj, SEL sel ) {
  #ifdef __clang__
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
  #endif
      if( [obj respondsToSelector: sel] )
          return [obj performSelector: sel];
  #ifdef __clang__
  #pragma clang diagnostic pop
  #endif
      return nil;
  }
  #define CATCH_UNSAFE_UNRETAINED __unsafe_unretained
  #define CATCH_ARC_STRONG __strong
  #endif
  
  // end catch_objc_arc.hpp
  #endif
  
  #ifdef _MSC_VER
  #pragma warning(push)
  #pragma warning(disable:4180) // We attempt to stream a function (address) by const&, which MSVC complains about but is harmless
  #endif
  
  namespace Catch {
      namespace Detail {
  
          extern const std::string unprintableString;
  
          std::string rawMemoryToString( const void *object, std::size_t size );
  
          template<typename T>
          std::string rawMemoryToString( const T& object ) {
              return rawMemoryToString( &object, sizeof(object) );
          }
  
          template<typename T>
          class IsStreamInsertable {
              template<typename Stream, typename U>
              static auto test(int)
              -> decltype(std::declval<Stream&>() << std::declval<U>(), std::true_type());
  
              template<typename, typename>
              static auto test(...)->std::false_type;
  
          public:
              static const bool value = decltype(test<std::ostream, const T&>(0))::value;
          };
  
          template<typename E>
          std::string convertUnknownEnumToString( E e );
  
          template<typename T>
          typename std::enable_if<
                  !std::is_enum<T>::value && !std::is_base_of<std::exception, T>::value,
                  std::string>::type convertUnstreamable( T const& ) {
              return Detail::unprintableString;
          }
          template<typename T>
          typename std::enable_if<
                  !std::is_enum<T>::value && std::is_base_of<std::exception, T>::value,
                  std::string>::type convertUnstreamable(T const& ex) {
              return ex.what();
          }
  
          template<typename T>
          typename std::enable_if<
                  std::is_enum<T>::value
                  , std::string>::type convertUnstreamable( T const& value ) {
              return convertUnknownEnumToString( value );
          }
  
  #if defined(_MANAGED)
          //! Convert a CLR string to a utf8 std::string
          template<typename T>
          std::string clrReferenceToString( T^ ref ) {
              if (ref == nullptr)
                  return std::string("null");
              auto bytes = System::Text::Encoding::UTF8->GetBytes(ref->ToString());
              cli::pin_ptr<System::Byte> p = &bytes[0];
              return std::string(reinterpret_cast<char const *>(p), bytes->Length);
          }
  #endif
  
      } // namespace Detail
  
      // If we decide for C++14, change these to enable_if_ts
      template <typename T, typename = void>
      struct StringMaker {
          template <typename Fake = T>
          static
          typename std::enable_if<::Catch::Detail::IsStreamInsertable<Fake>::value, std::string>::type
          convert(const Fake& value) {
              ReusableStringStream rss;
              // NB: call using the function-like syntax to avoid ambiguity with
              // user-defined templated operator<< under clang.
              rss.operator<<(value);
              return rss.str();
          }
  
          template <typename Fake = T>
          static
          typename std::enable_if<!::Catch::Detail::IsStreamInsertable<Fake>::value, std::string>::type
          convert( const Fake& value ) {
  #if !defined(CATCH_CONFIG_FALLBACK_STRINGIFIER)
              return Detail::convertUnstreamable(value);
  #else
              return CATCH_CONFIG_FALLBACK_STRINGIFIER(value);
  #endif
          }
      };
  
      namespace Detail {
  
          // This function dispatches all stringification requests inside of Catch.
          // Should be preferably called fully qualified, like ::Catch::Detail::stringify
          template <typename T>
          std::string stringify(const T& e) {
              return ::Catch::StringMaker<typename std::remove_cv<typename std::remove_reference<T>::type>::type>::convert(e);
          }
  
          template<typename E>
          std::string convertUnknownEnumToString( E e ) {
              return ::Catch::Detail::stringify(static_cast<typename std::underlying_type<E>::type>(e));
          }
  
  #if defined(_MANAGED)
          template <typename T>
          std::string stringify( T^ e ) {
              return ::Catch::StringMaker<T^>::convert(e);
          }
  #endif
  
      } // namespace Detail
  
      // Some predefined specializations
  
      template<>
      struct StringMaker<std::string> {
          static std::string convert(const std::string& str);
      };
  
  #ifdef CATCH_CONFIG_CPP17_STRING_VIEW
      template<>
      struct StringMaker<std::string_view> {
          static std::string convert(std::string_view str);
      };
  #endif
  
      template<>
      struct StringMaker<char const *> {
          static std::string convert(char const * str);
      };
      template<>
      struct StringMaker<char *> {
          static std::string convert(char * str);
      };
  
  #ifdef CATCH_CONFIG_WCHAR
      template<>
      struct StringMaker<std::wstring> {
          static std::string convert(const std::wstring& wstr);
      };
  
  # ifdef CATCH_CONFIG_CPP17_STRING_VIEW
      template<>
      struct StringMaker<std::wstring_view> {
          static std::string convert(std::wstring_view str);
      };
  # endif
  
      template<>
      struct StringMaker<wchar_t const *> {
          static std::string convert(wchar_t const * str);
      };
      template<>
      struct StringMaker<wchar_t *> {
          static std::string convert(wchar_t * str);
      };
  #endif
  
      // TBD: Should we use `strnlen` to ensure that we don't go out of the buffer,
      //      while keeping string semantics?
      template<int SZ>
      struct StringMaker<char[SZ]> {
          static std::string convert(char const* str) {
              return ::Catch::Detail::stringify(std::string{ str });
          }
      };
      template<int SZ>
      struct StringMaker<signed char[SZ]> {
          static std::string convert(signed char const* str) {
              return ::Catch::Detail::stringify(std::string{ reinterpret_cast<char const *>(str) });
          }
      };
      template<int SZ>
      struct StringMaker<unsigned char[SZ]> {
          static std::string convert(unsigned char const* str) {
              return ::Catch::Detail::stringify(std::string{ reinterpret_cast<char const *>(str) });
          }
      };
  
  #if defined(CATCH_CONFIG_CPP17_BYTE)
      template<>
      struct StringMaker<std::byte> {
          static std::string convert(std::byte value);
      };
  #endif // defined(CATCH_CONFIG_CPP17_BYTE)
      template<>
      struct StringMaker<int> {
          static std::string convert(int value);
      };
      template<>
      struct StringMaker<long> {
          static std::string convert(long value);
      };
      template<>
      struct StringMaker<long long> {
          static std::string convert(long long value);
      };
      template<>
      struct StringMaker<unsigned int> {
          static std::string convert(unsigned int value);
      };
      template<>
      struct StringMaker<unsigned long> {
          static std::string convert(unsigned long value);
      };
      template<>
      struct StringMaker<unsigned long long> {
          static std::string convert(unsigned long long value);
      };
  
      template<>
      struct StringMaker<bool> {
          static std::string convert(bool b);
      };
  
      template<>
      struct StringMaker<char> {
          static std::string convert(char c);
      };
      template<>
      struct StringMaker<signed char> {
          static std::string convert(signed char c);
      };
      template<>
      struct StringMaker<unsigned char> {
          static std::string convert(unsigned char c);
      };
  
      template<>
      struct StringMaker<std::nullptr_t> {
          static std::string convert(std::nullptr_t);
      };
  
      template<>
      struct StringMaker<float> {
          static std::string convert(float value);
          static int precision;
      };
  
      template<>
      struct StringMaker<double> {
          static std::string convert(double value);
          static int precision;
      };
  
      template <typename T>
      struct StringMaker<T*> {
          template <typename U>
          static std::string convert(U* p) {
              if (p) {
                  return ::Catch::Detail::rawMemoryToString(p);
              } else {
                  return "nullptr";
              }
          }
      };
  
      template <typename R, typename C>
      struct StringMaker<R C::*> {
          static std::string convert(R C::* p) {
              if (p) {
                  return ::Catch::Detail::rawMemoryToString(p);
              } else {
                  return "nullptr";
              }
          }
      };
  
  #if defined(_MANAGED)
      template <typename T>
      struct StringMaker<T^> {
          static std::string convert( T^ ref ) {
              return ::Catch::Detail::clrReferenceToString(ref);
          }
      };
  #endif
  
      namespace Detail {
          template<typename InputIterator>
          std::string rangeToString(InputIterator first, InputIterator last) {
              ReusableStringStream rss;
              rss << "{ ";
              if (first != last) {
                  rss << ::Catch::Detail::stringify(*first);
                  for (++first; first != last; ++first)
                      rss << ", " << ::Catch::Detail::stringify(*first);
              }
              rss << " }";
              return rss.str();
          }
      }
  
  #ifdef __OBJC__
      template<>
      struct StringMaker<NSString*> {
          static std::string convert(NSString * nsstring) {
              if (!nsstring)
                  return "nil";
              return std::string("@") + [nsstring UTF8String];
          }
      };
      template<>
      struct StringMaker<NSObject*> {
          static std::string convert(NSObject* nsObject) {
              return ::Catch::Detail::stringify([nsObject description]);
          }
  
      };
      namespace Detail {
          inline std::string stringify( NSString* nsstring ) {
              return StringMaker<NSString*>::convert( nsstring );
          }
  
      } // namespace Detail
  #endif // __OBJC__
  
  } // namespace Catch
  
  //////////////////////////////////////////////////////
  // Separate std-lib types stringification, so it can be selectively enabled
  // This means that we do not bring in
  
  #if defined(CATCH_CONFIG_ENABLE_ALL_STRINGMAKERS)
  #  define CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER
  #  define CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER
  #  define CATCH_CONFIG_ENABLE_VARIANT_STRINGMAKER
  #  define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
  #  define CATCH_CONFIG_ENABLE_OPTIONAL_STRINGMAKER
  #endif
  
  // Separate std::pair specialization
  #if defined(CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER)
  #include <utility>
  namespace Catch {
      template<typename T1, typename T2>
      struct StringMaker<std::pair<T1, T2> > {
          static std::string convert(const std::pair<T1, T2>& pair) {
              ReusableStringStream rss;
              rss << "{ "
                  << ::Catch::Detail::stringify(pair.first)
                  << ", "
                  << ::Catch::Detail::stringify(pair.second)
                  << " }";
              return rss.str();
          }
      };
  }
  #endif // CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER
  
  #if defined(CATCH_CONFIG_ENABLE_OPTIONAL_STRINGMAKER) && defined(CATCH_CONFIG_CPP17_OPTIONAL)
  #include <optional>
  namespace Catch {
      template<typename T>
      struct StringMaker<std::optional<T> > {
          static std::string convert(const std::optional<T>& optional) {
              ReusableStringStream rss;
              if (optional.has_value()) {
                  rss << ::Catch::Detail::stringify(*optional);
              } else {
                  rss << "{ }";
              }
              return rss.str();
          }
      };
  }
  #endif // CATCH_CONFIG_ENABLE_OPTIONAL_STRINGMAKER
  
  // Separate std::tuple specialization
  #if defined(CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER)
  #include <tuple>
  namespace Catch {
      namespace Detail {
          template<
              typename Tuple,
              std::size_t N = 0,
              bool = (N < std::tuple_size<Tuple>::value)
              >
              struct TupleElementPrinter {
              static void print(const Tuple& tuple, std::ostream& os) {
                  os << (N ? ", " : " ")
                      << ::Catch::Detail::stringify(std::get<N>(tuple));
                  TupleElementPrinter<Tuple, N + 1>::print(tuple, os);
              }
          };
  
          template<
              typename Tuple,
              std::size_t N
          >
              struct TupleElementPrinter<Tuple, N, false> {
              static void print(const Tuple&, std::ostream&) {}
          };
  
      }
  
      template<typename ...Types>
      struct StringMaker<std::tuple<Types...>> {
          static std::string convert(const std::tuple<Types...>& tuple) {
              ReusableStringStream rss;
              rss << '{';
              Detail::TupleElementPrinter<std::tuple<Types...>>::print(tuple, rss.get());
              rss << " }";
              return rss.str();
          }
      };
  }
  #endif // CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER
  
  #if defined(CATCH_CONFIG_ENABLE_VARIANT_STRINGMAKER) && defined(CATCH_CONFIG_CPP17_VARIANT)
  #include <variant>
  namespace Catch {
      template<>
      struct StringMaker<std::monostate> {
          static std::string convert(const std::monostate&) {
              return "{ }";
          }
      };
  
      template<typename... Elements>
      struct StringMaker<std::variant<Elements...>> {
          static std::string convert(const std::variant<Elements...>& variant) {
              if (variant.valueless_by_exception()) {
                  return "{valueless variant}";
              } else {
                  return std::visit(
                      [](const auto& value) {
                          return ::Catch::Detail::stringify(value);
                      },
                      variant
                  );
              }
          }
      };
  }
  #endif // CATCH_CONFIG_ENABLE_VARIANT_STRINGMAKER
  
  namespace Catch {
      struct not_this_one {}; // Tag type for detecting which begin/ end are being selected
  
      // Import begin/ end from std here so they are considered alongside the fallback (...) overloads in this namespace
      using std::begin;
      using std::end;
  
      not_this_one begin( ... );
      not_this_one end( ... );
  
      template <typename T>
      struct is_range {
          static const bool value =
                  !std::is_same<decltype(begin(std::declval<T>())), not_this_one>::value &&
                  !std::is_same<decltype(end(std::declval<T>())), not_this_one>::value;
      };
  
  #if defined(_MANAGED) // Managed types are never ranges
      template <typename T>
      struct is_range<T^> {
          static const bool value = false;
      };
  #endif
  
      template<typename Range>
      std::string rangeToString( Range const& range ) {
          return ::Catch::Detail::rangeToString( begin( range ), end( range ) );
      }
  
      // Handle vector<bool> specially
      template<typename Allocator>
      std::string rangeToString( std::vector<bool, Allocator> const& v ) {
          ReusableStringStream rss;
          rss << "{ ";
          bool first = true;
          for( bool b : v ) {
              if( first )
                  first = false;
              else
                  rss << ", ";
              rss << ::Catch::Detail::stringify( b );
          }
          rss << " }";
          return rss.str();
      }
  
      template<typename R>
      struct StringMaker<R, typename std::enable_if<is_range<R>::value && !::Catch::Detail::IsStreamInsertable<R>::value>::type> {
          static std::string convert( R const& range ) {
              return rangeToString( range );
          }
      };
  
      template <typename T, int SZ>
      struct StringMaker<T[SZ]> {
          static std::string convert(T const(&arr)[SZ]) {
              return rangeToString(arr);
          }
      };
  
  } // namespace Catch
  
  // Separate std::chrono::duration specialization
  #if defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
  #include <ctime>
  #include <ratio>
  #include <chrono>
  
  namespace Catch {
  
  template <class Ratio>
  struct ratio_string {
      static std::string symbol();
  };
  
  template <class Ratio>
  std::string ratio_string<Ratio>::symbol() {
      Catch::ReusableStringStream rss;
      rss << '[' << Ratio::num << '/'
          << Ratio::den << ']';
      return rss.str();
  }
  template <>
  struct ratio_string<std::atto> {
      static std::string symbol();
  };
  template <>
  struct ratio_string<std::femto> {
      static std::string symbol();
  };
  template <>
  struct ratio_string<std::pico> {
      static std::string symbol();
  };
  template <>
  struct ratio_string<std::nano> {
      static std::string symbol();
  };
  template <>
  struct ratio_string<std::micro> {
      static std::string symbol();
  };
  template <>
  struct ratio_string<std::milli> {
      static std::string symbol();
  };
  
      ////////////
      // std::chrono::duration specializations
      template<typename Value, typename Ratio>
      struct StringMaker<std::chrono::duration<Value, Ratio>> {
          static std::string convert(std::chrono::duration<Value, Ratio> const& duration) {
              ReusableStringStream rss;
              rss << duration.count() << ' ' << ratio_string<Ratio>::symbol() << 's';
              return rss.str();
          }
      };
      template<typename Value>
      struct StringMaker<std::chrono::duration<Value, std::ratio<1>>> {
          static std::string convert(std::chrono::duration<Value, std::ratio<1>> const& duration) {
              ReusableStringStream rss;
              rss << duration.count() << " s";
              return rss.str();
          }
      };
      template<typename Value>
      struct StringMaker<std::chrono::duration<Value, std::ratio<60>>> {
          static std::string convert(std::chrono::duration<Value, std::ratio<60>> const& duration) {
              ReusableStringStream rss;
              rss << duration.count() << " m";
              return rss.str();
          }
      };
      template<typename Value>
      struct StringMaker<std::chrono::duration<Value, std::ratio<3600>>> {
          static std::string convert(std::chrono::duration<Value, std::ratio<3600>> const& duration) {
              ReusableStringStream rss;
              rss << duration.count() << " h";
              return rss.str();
          }
      };
  
      ////////////
      // std::chrono::time_point specialization
      // Generic time_point cannot be specialized, only std::chrono::time_point<system_clock>
      template<typename Clock, typename Duration>
      struct StringMaker<std::chrono::time_point<Clock, Duration>> {
          static std::string convert(std::chrono::time_point<Clock, Duration> const& time_point) {
              return ::Catch::Detail::stringify(time_point.time_since_epoch()) + " since epoch";
          }
      };
      // std::chrono::time_point<system_clock> specialization
      template<typename Duration>
      struct StringMaker<std::chrono::time_point<std::chrono::system_clock, Duration>> {
          static std::string convert(std::chrono::time_point<std::chrono::system_clock, Duration> const& time_point) {
              auto converted = std::chrono::system_clock::to_time_t(time_point);
  
  #ifdef _MSC_VER
              std::tm timeInfo = {};
              gmtime_s(&timeInfo, &converted);
  #else
              std::tm* timeInfo = std::gmtime(&converted);
  #endif
  
              auto const timeStampSize = sizeof("2017-01-16T17:06:45Z");
              char timeStamp[timeStampSize];
              const char * const fmt = "%Y-%m-%dT%H:%M:%SZ";
  
  #ifdef _MSC_VER
              std::strftime(timeStamp, timeStampSize, fmt, &timeInfo);
  #else
              std::strftime(timeStamp, timeStampSize, fmt, timeInfo);
  #endif
              return std::string(timeStamp);
          }
      };
  }
  #endif // CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
  
  #define INTERNAL_CATCH_REGISTER_ENUM( enumName, ... ) \
  namespace Catch { \
      template<> struct StringMaker<enumName> { \
          static std::string convert( enumName value ) { \
              static const auto& enumInfo = ::Catch::getMutableRegistryHub().getMutableEnumValuesRegistry().registerEnum( #enumName, #__VA_ARGS__, { __VA_ARGS__ } ); \
              return static_cast<std::string>(enumInfo.lookup( static_cast<int>( value ) )); \
          } \
      }; \
  }
  
  #define CATCH_REGISTER_ENUM( enumName, ... ) INTERNAL_CATCH_REGISTER_ENUM( enumName, __VA_ARGS__ )
  
  #ifdef _MSC_VER
  #pragma warning(pop)
  #endif
  
  // end catch_tostring.h
  #include <iosfwd>
  
  #ifdef _MSC_VER
  #pragma warning(push)
  #pragma warning(disable:4389) // '==' : signed/unsigned mismatch
  #pragma warning(disable:4018) // more "signed/unsigned mismatch"
  #pragma warning(disable:4312) // Converting int to T* using reinterpret_cast (issue on x64 platform)
  #pragma warning(disable:4180) // qualifier applied to function type has no meaning
  #pragma warning(disable:4800) // Forcing result to true or false
  #endif
  
  namespace Catch {
  
      struct ITransientExpression {
          auto isBinaryExpression() const -> bool { return m_isBinaryExpression; }
          auto getResult() const -> bool { return m_result; }
          virtual void streamReconstructedExpression( std::ostream &os ) const = 0;
  
          ITransientExpression( bool isBinaryExpression, bool result )
                  :   m_isBinaryExpression( isBinaryExpression ),
                      m_result( result )
          {}
  
          // We don't actually need a virtual destructor, but many static analysers
          // complain if it's not here :-(
          virtual ~ITransientExpression();
  
          bool m_isBinaryExpression;
          bool m_result;
  
      };
  
      void formatReconstructedExpression( std::ostream &os, std::string const& lhs, StringRef op, std::string const& rhs );
  
      template<typename LhsT, typename RhsT>
      class BinaryExpr  : public ITransientExpression {
          LhsT m_lhs;
          StringRef m_op;
          RhsT m_rhs;
  
          void streamReconstructedExpression( std::ostream &os ) const override {
              formatReconstructedExpression
                      ( os, Catch::Detail::stringify( m_lhs ), m_op, Catch::Detail::stringify( m_rhs ) );
          }
  
      public:
          BinaryExpr( bool comparisonResult, LhsT lhs, StringRef op, RhsT rhs )
                  :   ITransientExpression{ true, comparisonResult },
                      m_lhs( lhs ),
                      m_op( op ),
                      m_rhs( rhs )
          {}
  
          template<typename T>
          auto operator && ( T ) const -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<T>::value,
                            "chained comparisons are not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          template<typename T>
          auto operator || ( T ) const -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<T>::value,
                            "chained comparisons are not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          template<typename T>
          auto operator == ( T ) const -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<T>::value,
                            "chained comparisons are not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          template<typename T>
          auto operator != ( T ) const -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<T>::value,
                            "chained comparisons are not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          template<typename T>
          auto operator > ( T ) const -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<T>::value,
                            "chained comparisons are not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          template<typename T>
          auto operator < ( T ) const -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<T>::value,
                            "chained comparisons are not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          template<typename T>
          auto operator >= ( T ) const -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<T>::value,
                            "chained comparisons are not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          template<typename T>
          auto operator <= ( T ) const -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<T>::value,
                            "chained comparisons are not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
      };
  
      template<typename LhsT>
      class UnaryExpr : public ITransientExpression {
          LhsT m_lhs;
  
          void streamReconstructedExpression( std::ostream &os ) const override {
              os << Catch::Detail::stringify( m_lhs );
          }
  
      public:
          explicit UnaryExpr( LhsT lhs )
                  :   ITransientExpression{ false, static_cast<bool>(lhs) },
                      m_lhs( lhs )
          {}
      };
  
      // Specialised comparison functions to handle equality comparisons between ints and pointers (NULL deduces as an int)
      template<typename LhsT, typename RhsT>
      auto compareEqual( LhsT const& lhs, RhsT const& rhs ) -> bool { return static_cast<bool>(lhs == rhs); }
      template<typename T>
      auto compareEqual( T* const& lhs, int rhs ) -> bool { return lhs == reinterpret_cast<void const*>( rhs ); }
      template<typename T>
      auto compareEqual( T* const& lhs, long rhs ) -> bool { return lhs == reinterpret_cast<void const*>( rhs ); }
      template<typename T>
      auto compareEqual( int lhs, T* const& rhs ) -> bool { return reinterpret_cast<void const*>( lhs ) == rhs; }
      template<typename T>
      auto compareEqual( long lhs, T* const& rhs ) -> bool { return reinterpret_cast<void const*>( lhs ) == rhs; }
  
      template<typename LhsT, typename RhsT>
      auto compareNotEqual( LhsT const& lhs, RhsT&& rhs ) -> bool { return static_cast<bool>(lhs != rhs); }
      template<typename T>
      auto compareNotEqual( T* const& lhs, int rhs ) -> bool { return lhs != reinterpret_cast<void const*>( rhs ); }
      template<typename T>
      auto compareNotEqual( T* const& lhs, long rhs ) -> bool { return lhs != reinterpret_cast<void const*>( rhs ); }
      template<typename T>
      auto compareNotEqual( int lhs, T* const& rhs ) -> bool { return reinterpret_cast<void const*>( lhs ) != rhs; }
      template<typename T>
      auto compareNotEqual( long lhs, T* const& rhs ) -> bool { return reinterpret_cast<void const*>( lhs ) != rhs; }
  
      template<typename LhsT>
      class ExprLhs {
          LhsT m_lhs;
      public:
          explicit ExprLhs( LhsT lhs ) : m_lhs( lhs ) {}
  
          template<typename RhsT>
          auto operator == ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
              return { compareEqual( m_lhs, rhs ), m_lhs, "==", rhs };
          }
          auto operator == ( bool rhs ) -> BinaryExpr<LhsT, bool> const {
              return { m_lhs == rhs, m_lhs, "==", rhs };
          }
  
          template<typename RhsT>
          auto operator != ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
              return { compareNotEqual( m_lhs, rhs ), m_lhs, "!=", rhs };
          }
          auto operator != ( bool rhs ) -> BinaryExpr<LhsT, bool> const {
              return { m_lhs != rhs, m_lhs, "!=", rhs };
          }
  
          template<typename RhsT>
          auto operator > ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
              return { static_cast<bool>(m_lhs > rhs), m_lhs, ">", rhs };
          }
          template<typename RhsT>
          auto operator < ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
              return { static_cast<bool>(m_lhs < rhs), m_lhs, "<", rhs };
          }
          template<typename RhsT>
          auto operator >= ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
              return { static_cast<bool>(m_lhs >= rhs), m_lhs, ">=", rhs };
          }
          template<typename RhsT>
          auto operator <= ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
              return { static_cast<bool>(m_lhs <= rhs), m_lhs, "<=", rhs };
          }
  
          template<typename RhsT>
          auto operator && ( RhsT const& ) -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<RhsT>::value,
                            "operator&& is not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          template<typename RhsT>
          auto operator || ( RhsT const& ) -> BinaryExpr<LhsT, RhsT const&> const {
              static_assert(always_false<RhsT>::value,
                            "operator|| is not supported inside assertions, "
                            "wrap the expression inside parentheses, or decompose it");
          }
  
          auto makeUnaryExpr() const -> UnaryExpr<LhsT> {
              return UnaryExpr<LhsT>{ m_lhs };
          }
      };
  
      void handleExpression( ITransientExpression const& expr );
  
      template<typename T>
      void handleExpression( ExprLhs<T> const& expr ) {
          handleExpression( expr.makeUnaryExpr() );
      }
  
      struct Decomposer {
          template<typename T>
          auto operator <= ( T const& lhs ) -> ExprLhs<T const&> {
              return ExprLhs<T const&>{ lhs };
          }
  
          auto operator <=( bool value ) -> ExprLhs<bool> {
              return ExprLhs<bool>{ value };
          }
      };
  
  } // end namespace Catch
  
  #ifdef _MSC_VER
  #pragma warning(pop)
  #endif
  
  // end catch_decomposer.h
  // start catch_interfaces_capture.h
  
  #include <string>
  #include <chrono>
  
  namespace Catch {
  
      class AssertionResult;
      struct AssertionInfo;
      struct SectionInfo;
      struct SectionEndInfo;
      struct MessageInfo;
      struct MessageBuilder;
      struct Counts;
      struct AssertionReaction;
      struct SourceLineInfo;
  
      struct ITransientExpression;
      struct IGeneratorTracker;
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
      struct BenchmarkInfo;
      template <typename Duration = std::chrono::duration<double, std::nano>>
      struct BenchmarkStats;
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
      struct IResultCapture {
  
          virtual ~IResultCapture();
  
          virtual bool sectionStarted(    SectionInfo const& sectionInfo,
                                          Counts& assertions ) = 0;
          virtual void sectionEnded( SectionEndInfo const& endInfo ) = 0;
          virtual void sectionEndedEarly( SectionEndInfo const& endInfo ) = 0;
  
          virtual auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& = 0;
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
          virtual void benchmarkPreparing( std::string const& name ) = 0;
          virtual void benchmarkStarting( BenchmarkInfo const& info ) = 0;
          virtual void benchmarkEnded( BenchmarkStats<> const& stats ) = 0;
          virtual void benchmarkFailed( std::string const& error ) = 0;
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
          virtual void pushScopedMessage( MessageInfo const& message ) = 0;
          virtual void popScopedMessage( MessageInfo const& message ) = 0;
  
          virtual void emplaceUnscopedMessage( MessageBuilder const& builder ) = 0;
  
          virtual void handleFatalErrorCondition( StringRef message ) = 0;
  
          virtual void handleExpr
                  (   AssertionInfo const& info,
                      ITransientExpression const& expr,
                      AssertionReaction& reaction ) = 0;
          virtual void handleMessage
                  (   AssertionInfo const& info,
                      ResultWas::OfType resultType,
                      StringRef const& message,
                      AssertionReaction& reaction ) = 0;
          virtual void handleUnexpectedExceptionNotThrown
                  (   AssertionInfo const& info,
                      AssertionReaction& reaction ) = 0;
          virtual void handleUnexpectedInflightException
                  (   AssertionInfo const& info,
                      std::string const& message,
                      AssertionReaction& reaction ) = 0;
          virtual void handleIncomplete
                  (   AssertionInfo const& info ) = 0;
          virtual void handleNonExpr
                  (   AssertionInfo const &info,
                      ResultWas::OfType resultType,
                      AssertionReaction &reaction ) = 0;
  
          virtual bool lastAssertionPassed() = 0;
          virtual void assertionPassed() = 0;
  
          // Deprecated, do not use:
          virtual std::string getCurrentTestName() const = 0;
          virtual const AssertionResult* getLastResult() const = 0;
          virtual void exceptionEarlyReported() = 0;
      };
  
      IResultCapture& getResultCapture();
  }
  
  // end catch_interfaces_capture.h
  namespace Catch {
  
      struct TestFailureException{};
      struct AssertionResultData;
      struct IResultCapture;
      class RunContext;
  
      class LazyExpression {
          friend class AssertionHandler;
          friend struct AssertionStats;
          friend class RunContext;
  
          ITransientExpression const* m_transientExpression = nullptr;
          bool m_isNegated;
      public:
          LazyExpression( bool isNegated );
          LazyExpression( LazyExpression const& other );
          LazyExpression& operator = ( LazyExpression const& ) = delete;
  
          explicit operator bool() const;
  
          friend auto operator << ( std::ostream& os, LazyExpression const& lazyExpr ) -> std::ostream&;
      };
  
      struct AssertionReaction {
          bool shouldDebugBreak = false;
          bool shouldThrow = false;
      };
  
      class AssertionHandler {
          AssertionInfo m_assertionInfo;
          AssertionReaction m_reaction;
          bool m_completed = false;
          IResultCapture& m_resultCapture;
  
      public:
          AssertionHandler
                  (   StringRef const& macroName,
                      SourceLineInfo const& lineInfo,
                      StringRef capturedExpression,
                      ResultDisposition::Flags resultDisposition );
          ~AssertionHandler() {
              if ( !m_completed ) {
                  m_resultCapture.handleIncomplete( m_assertionInfo );
              }
          }
  
          template<typename T>
          void handleExpr( ExprLhs<T> const& expr ) {
              handleExpr( expr.makeUnaryExpr() );
          }
          void handleExpr( ITransientExpression const& expr );
  
          void handleMessage(ResultWas::OfType resultType, StringRef const& message);
  
          void handleExceptionThrownAsExpected();
          void handleUnexpectedExceptionNotThrown();
          void handleExceptionNotThrownAsExpected();
          void handleThrowingCallSkipped();
          void handleUnexpectedInflightException();
  
          void complete();
          void setCompleted();
  
          // query
          auto allowThrows() const -> bool;
      };
  
      void handleExceptionMatchExpr( AssertionHandler& handler, std::string const& str, StringRef const& matcherString );
  
  } // namespace Catch
  
  // end catch_assertionhandler.h
  // start catch_message.h
  
  #include <string>
  #include <vector>
  
  namespace Catch {
  
      struct MessageInfo {
          MessageInfo(    StringRef const& _macroName,
                          SourceLineInfo const& _lineInfo,
                          ResultWas::OfType _type );
  
          StringRef macroName;
          std::string message;
          SourceLineInfo lineInfo;
          ResultWas::OfType type;
          unsigned int sequence;
  
          bool operator == ( MessageInfo const& other ) const;
          bool operator < ( MessageInfo const& other ) const;
      private:
          static unsigned int globalCount;
      };
  
      struct MessageStream {
  
          template<typename T>
          MessageStream& operator << ( T const& value ) {
              m_stream << value;
              return *this;
          }
  
          ReusableStringStream m_stream;
      };
  
      struct MessageBuilder : MessageStream {
          MessageBuilder( StringRef const& macroName,
                          SourceLineInfo const& lineInfo,
                          ResultWas::OfType type );
  
          template<typename T>
          MessageBuilder& operator << ( T const& value ) {
              m_stream << value;
              return *this;
          }
  
          MessageInfo m_info;
      };
  
      class ScopedMessage {
      public:
          explicit ScopedMessage( MessageBuilder const& builder );
          ScopedMessage( ScopedMessage& duplicate ) = delete;
          ScopedMessage( ScopedMessage&& old );
          ~ScopedMessage();
  
          MessageInfo m_info;
          bool m_moved;
      };
  
      class Capturer {
          std::vector<MessageInfo> m_messages;
          IResultCapture& m_resultCapture = getResultCapture();
          size_t m_captured = 0;
      public:
          Capturer( StringRef macroName, SourceLineInfo const& lineInfo, ResultWas::OfType resultType, StringRef names );
          ~Capturer();
  
          void captureValue( size_t index, std::string const& value );
  
          template<typename T>
          void captureValues( size_t index, T const& value ) {
              captureValue( index, Catch::Detail::stringify( value ) );
          }
  
          template<typename T, typename... Ts>
          void captureValues( size_t index, T const& value, Ts const&... values ) {
              captureValue( index, Catch::Detail::stringify(value) );
              captureValues( index+1, values... );
          }
      };
  
  } // end namespace Catch
  
  // end catch_message.h
  #if !defined(CATCH_CONFIG_DISABLE)
  
  #if !defined(CATCH_CONFIG_DISABLE_STRINGIFICATION)
  #define CATCH_INTERNAL_STRINGIFY(...) #__VA_ARGS__
  #else
  #define CATCH_INTERNAL_STRINGIFY(...) "Disabled by CATCH_CONFIG_DISABLE_STRINGIFICATION"
  #endif
  
  #if defined(CATCH_CONFIG_FAST_COMPILE) || defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
  
  ///////////////////////////////////////////////////////////////////////////////
  // Another way to speed-up compilation is to omit local try-catch for REQUIRE*
  // macros.
  #define INTERNAL_CATCH_TRY
  #define INTERNAL_CATCH_CATCH( capturer )
  
  #else // CATCH_CONFIG_FAST_COMPILE
  
  #define INTERNAL_CATCH_TRY try
  #define INTERNAL_CATCH_CATCH( handler ) catch(...) { handler.handleUnexpectedInflightException(); }
  
  #endif
  
  #define INTERNAL_CATCH_REACT( handler ) handler.complete();
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_TEST( macroName, resultDisposition, ... ) \
      do { \
          Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
          INTERNAL_CATCH_TRY { \
              CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
              CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
              catchAssertionHandler.handleExpr( Catch::Decomposer() <= __VA_ARGS__ ); \
              CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
          } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
          INTERNAL_CATCH_REACT( catchAssertionHandler ) \
      } while( (void)0, (false) && static_cast<bool>( !!(__VA_ARGS__) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
  // The double negation silences MSVC's C4800 warning, the static_cast forces short-circuit evaluation if the type has overloaded &&.
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_IF( macroName, resultDisposition, ... ) \
      INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
      if( Catch::getResultCapture().lastAssertionPassed() )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_ELSE( macroName, resultDisposition, ... ) \
      INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
      if( !Catch::getResultCapture().lastAssertionPassed() )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_NO_THROW( macroName, resultDisposition, ... ) \
      do { \
          Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
          try { \
              static_cast<void>(__VA_ARGS__); \
              catchAssertionHandler.handleExceptionNotThrownAsExpected(); \
          } \
          catch( ... ) { \
              catchAssertionHandler.handleUnexpectedInflightException(); \
          } \
          INTERNAL_CATCH_REACT( catchAssertionHandler ) \
      } while( false )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_THROWS( macroName, resultDisposition, ... ) \
      do { \
          Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition); \
          if( catchAssertionHandler.allowThrows() ) \
              try { \
                  static_cast<void>(__VA_ARGS__); \
                  catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
              } \
              catch( ... ) { \
                  catchAssertionHandler.handleExceptionThrownAsExpected(); \
              } \
          else \
              catchAssertionHandler.handleThrowingCallSkipped(); \
          INTERNAL_CATCH_REACT( catchAssertionHandler ) \
      } while( false )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_THROWS_AS( macroName, exceptionType, resultDisposition, expr ) \
      do { \
          Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(expr) ", " CATCH_INTERNAL_STRINGIFY(exceptionType), resultDisposition ); \
          if( catchAssertionHandler.allowThrows() ) \
              try { \
                  static_cast<void>(expr); \
                  catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
              } \
              catch( exceptionType const& ) { \
                  catchAssertionHandler.handleExceptionThrownAsExpected(); \
              } \
              catch( ... ) { \
                  catchAssertionHandler.handleUnexpectedInflightException(); \
              } \
          else \
              catchAssertionHandler.handleThrowingCallSkipped(); \
          INTERNAL_CATCH_REACT( catchAssertionHandler ) \
      } while( false )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_MSG( macroName, messageType, resultDisposition, ... ) \
      do { \
          Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::StringRef(), resultDisposition ); \
          catchAssertionHandler.handleMessage( messageType, ( Catch::MessageStream() << __VA_ARGS__ + ::Catch::StreamEndStop() ).m_stream.str() ); \
          INTERNAL_CATCH_REACT( catchAssertionHandler ) \
      } while( false )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_CAPTURE( varName, macroName, ... ) \
      auto varName = Catch::Capturer( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info, #__VA_ARGS__ ); \
      varName.captureValues( 0, __VA_ARGS__ )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_INFO( macroName, log ) \
      Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage )( Catch::MessageBuilder( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log );
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_UNSCOPED_INFO( macroName, log ) \
      Catch::getResultCapture().emplaceUnscopedMessage( Catch::MessageBuilder( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log )
  
  ///////////////////////////////////////////////////////////////////////////////
  // Although this is matcher-based, it can be used with just a string
  #define INTERNAL_CATCH_THROWS_STR_MATCHES( macroName, resultDisposition, matcher, ... ) \
      do { \
          Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
          if( catchAssertionHandler.allowThrows() ) \
              try { \
                  static_cast<void>(__VA_ARGS__); \
                  catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
              } \
              catch( ... ) { \
                  Catch::handleExceptionMatchExpr( catchAssertionHandler, matcher, #matcher##_catch_sr ); \
              } \
          else \
              catchAssertionHandler.handleThrowingCallSkipped(); \
          INTERNAL_CATCH_REACT( catchAssertionHandler ) \
      } while( false )
  
  #endif // CATCH_CONFIG_DISABLE
  
  // end catch_capture.hpp
  // start catch_section.h
  
  // start catch_section_info.h
  
  // start catch_totals.h
  
  #include <cstddef>
  
  namespace Catch {
  
      struct Counts {
          Counts operator - ( Counts const& other ) const;
          Counts& operator += ( Counts const& other );
  
          std::size_t total() const;
          bool allPassed() const;
          bool allOk() const;
  
          std::size_t passed = 0;
          std::size_t failed = 0;
          std::size_t failedButOk = 0;
      };
  
      struct Totals {
  
          Totals operator - ( Totals const& other ) const;
          Totals& operator += ( Totals const& other );
  
          Totals delta( Totals const& prevTotals ) const;
  
          int error = 0;
          Counts assertions;
          Counts testCases;
      };
  }
  
  // end catch_totals.h
  #include <string>
  
  namespace Catch {
  
      struct SectionInfo {
          SectionInfo
                  (   SourceLineInfo const& _lineInfo,
                      std::string const& _name );
  
          // Deprecated
          SectionInfo
                  (   SourceLineInfo const& _lineInfo,
                      std::string const& _name,
                      std::string const& ) : SectionInfo( _lineInfo, _name ) {}
  
          std::string name;
          std::string description; // !Deprecated: this will always be empty
          SourceLineInfo lineInfo;
      };
  
      struct SectionEndInfo {
          SectionInfo sectionInfo;
          Counts prevAssertions;
          double durationInSeconds;
      };
  
  } // end namespace Catch
  
  // end catch_section_info.h
  // start catch_timer.h
  
  #include <cstdint>
  
  namespace Catch {
  
      auto getCurrentNanosecondsSinceEpoch() -> uint64_t;
      auto getEstimatedClockResolution() -> uint64_t;
  
      class Timer {
          uint64_t m_nanoseconds = 0;
      public:
          void start();
          auto getElapsedNanoseconds() const -> uint64_t;
          auto getElapsedMicroseconds() const -> uint64_t;
          auto getElapsedMilliseconds() const -> unsigned int;
          auto getElapsedSeconds() const -> double;
      };
  
  } // namespace Catch
  
  // end catch_timer.h
  #include <string>
  
  namespace Catch {
  
      class Section : NonCopyable {
      public:
          Section( SectionInfo const& info );
          ~Section();
  
          // This indicates whether the section should be executed or not
          explicit operator bool() const;
  
      private:
          SectionInfo m_info;
  
          std::string m_name;
          Counts m_assertions;
          bool m_sectionIncluded;
          Timer m_timer;
      };
  
  } // end namespace Catch
  
  #define INTERNAL_CATCH_SECTION( ... ) \
      CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
      CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS \
      if( Catch::Section const& INTERNAL_CATCH_UNIQUE_NAME( catch_internal_Section ) = Catch::SectionInfo( CATCH_INTERNAL_LINEINFO, __VA_ARGS__ ) ) \
      CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  
  #define INTERNAL_CATCH_DYNAMIC_SECTION( ... ) \
      CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
      CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS \
      if( Catch::Section const& INTERNAL_CATCH_UNIQUE_NAME( catch_internal_Section ) = Catch::SectionInfo( CATCH_INTERNAL_LINEINFO, (Catch::ReusableStringStream() << __VA_ARGS__).str() ) ) \
      CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  
  // end catch_section.h
  // start catch_interfaces_exception.h
  
  // start catch_interfaces_registry_hub.h
  
  #include <string>
  #include <memory>
  
  namespace Catch {
  
      class TestCase;
      struct ITestCaseRegistry;
      struct IExceptionTranslatorRegistry;
      struct IExceptionTranslator;
      struct IReporterRegistry;
      struct IReporterFactory;
      struct ITagAliasRegistry;
      struct IMutableEnumValuesRegistry;
  
      class StartupExceptionRegistry;
  
      using IReporterFactoryPtr = std::shared_ptr<IReporterFactory>;
  
      struct IRegistryHub {
          virtual ~IRegistryHub();
  
          virtual IReporterRegistry const& getReporterRegistry() const = 0;
          virtual ITestCaseRegistry const& getTestCaseRegistry() const = 0;
          virtual ITagAliasRegistry const& getTagAliasRegistry() const = 0;
          virtual IExceptionTranslatorRegistry const& getExceptionTranslatorRegistry() const = 0;
  
          virtual StartupExceptionRegistry const& getStartupExceptionRegistry() const = 0;
      };
  
      struct IMutableRegistryHub {
          virtual ~IMutableRegistryHub();
          virtual void registerReporter( std::string const& name, IReporterFactoryPtr const& factory ) = 0;
          virtual void registerListener( IReporterFactoryPtr const& factory ) = 0;
          virtual void registerTest( TestCase const& testInfo ) = 0;
          virtual void registerTranslator( const IExceptionTranslator* translator ) = 0;
          virtual void registerTagAlias( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo ) = 0;
          virtual void registerStartupException() noexcept = 0;
          virtual IMutableEnumValuesRegistry& getMutableEnumValuesRegistry() = 0;
      };
  
      IRegistryHub const& getRegistryHub();
      IMutableRegistryHub& getMutableRegistryHub();
      void cleanUp();
      std::string translateActiveException();
  
  }
  
  // end catch_interfaces_registry_hub.h
  #if defined(CATCH_CONFIG_DISABLE)
  #define INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG( translatorName, signature) \
          static std::string translatorName( signature )
  #endif
  
  #include <exception>
  #include <string>
  #include <vector>
  
  namespace Catch {
      using exceptionTranslateFunction = std::string(*)();
  
      struct IExceptionTranslator;
      using ExceptionTranslators = std::vector<std::unique_ptr<IExceptionTranslator const>>;
  
      struct IExceptionTranslator {
          virtual ~IExceptionTranslator();
          virtual std::string translate( ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd ) const = 0;
      };
  
      struct IExceptionTranslatorRegistry {
          virtual ~IExceptionTranslatorRegistry();
  
          virtual std::string translateActiveException() const = 0;
      };
  
      class ExceptionTranslatorRegistrar {
          template<typename T>
          class ExceptionTranslator : public IExceptionTranslator {
          public:
  
              ExceptionTranslator( std::string(*translateFunction)( T& ) )
                      : m_translateFunction( translateFunction )
              {}
  
              std::string translate( ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd ) const override {
                  try {
                      if( it == itEnd )
                          std::rethrow_exception(std::current_exception());
                      else
                          return (*it)->translate( it+1, itEnd );
                  }
                  catch( T& ex ) {
                      return m_translateFunction( ex );
                  }
              }
  
          protected:
              std::string(*m_translateFunction)( T& );
          };
  
      public:
          template<typename T>
          ExceptionTranslatorRegistrar( std::string(*translateFunction)( T& ) ) {
              getMutableRegistryHub().registerTranslator
                      ( new ExceptionTranslator<T>( translateFunction ) );
          }
      };
  }
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_TRANSLATE_EXCEPTION2( translatorName, signature ) \
      static std::string translatorName( signature ); \
      CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
      CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
      namespace{ Catch::ExceptionTranslatorRegistrar INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionRegistrar )( &translatorName ); } \
      CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
      static std::string translatorName( signature )
  
  #define INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION2( INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ), signature )
  
  // end catch_interfaces_exception.h
  // start catch_approx.h
  
  #include <type_traits>
  
  namespace Catch {
      namespace Detail {
  
          class Approx {
          private:
              bool equalityComparisonImpl(double other) const;
              // Validates the new margin (margin >= 0)
              // out-of-line to avoid including stdexcept in the header
              void setMargin(double margin);
              // Validates the new epsilon (0 < epsilon < 1)
              // out-of-line to avoid including stdexcept in the header
              void setEpsilon(double epsilon);
  
          public:
              explicit Approx ( double value );
  
              static Approx custom();
  
              Approx operator-() const;
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              Approx operator()( T const& value ) {
                  Approx approx( static_cast<double>(value) );
                  approx.m_epsilon = m_epsilon;
                  approx.m_margin = m_margin;
                  approx.m_scale = m_scale;
                  return approx;
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              explicit Approx( T const& value ): Approx(static_cast<double>(value))
              {}
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              friend bool operator == ( const T& lhs, Approx const& rhs ) {
                  auto lhs_v = static_cast<double>(lhs);
                  return rhs.equalityComparisonImpl(lhs_v);
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              friend bool operator == ( Approx const& lhs, const T& rhs ) {
                  return operator==( rhs, lhs );
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              friend bool operator != ( T const& lhs, Approx const& rhs ) {
                  return !operator==( lhs, rhs );
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              friend bool operator != ( Approx const& lhs, T const& rhs ) {
                  return !operator==( rhs, lhs );
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              friend bool operator <= ( T const& lhs, Approx const& rhs ) {
                  return static_cast<double>(lhs) < rhs.m_value || lhs == rhs;
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              friend bool operator <= ( Approx const& lhs, T const& rhs ) {
                  return lhs.m_value < static_cast<double>(rhs) || lhs == rhs;
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              friend bool operator >= ( T const& lhs, Approx const& rhs ) {
                  return static_cast<double>(lhs) > rhs.m_value || lhs == rhs;
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              friend bool operator >= ( Approx const& lhs, T const& rhs ) {
                  return lhs.m_value > static_cast<double>(rhs) || lhs == rhs;
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              Approx& epsilon( T const& newEpsilon ) {
                  double epsilonAsDouble = static_cast<double>(newEpsilon);
                  setEpsilon(epsilonAsDouble);
                  return *this;
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              Approx& margin( T const& newMargin ) {
                  double marginAsDouble = static_cast<double>(newMargin);
                  setMargin(marginAsDouble);
                  return *this;
              }
  
              template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
              Approx& scale( T const& newScale ) {
                  m_scale = static_cast<double>(newScale);
                  return *this;
              }
  
              std::string toString() const;
  
          private:
              double m_epsilon;
              double m_margin;
              double m_scale;
              double m_value;
          };
      } // end namespace Detail
  
      namespace literals {
          Detail::Approx operator "" _a(long double val);
          Detail::Approx operator "" _a(unsigned long long val);
      } // end namespace literals
  
      template<>
      struct StringMaker<Catch::Detail::Approx> {
          static std::string convert(Catch::Detail::Approx const& value);
      };
  
  } // end namespace Catch
  
  // end catch_approx.h
  // start catch_string_manip.h
  
  #include <string>
  #include <iosfwd>
  #include <vector>
  
  namespace Catch {
  
      bool startsWith( std::string const& s, std::string const& prefix );
      bool startsWith( std::string const& s, char prefix );
      bool endsWith( std::string const& s, std::string const& suffix );
      bool endsWith( std::string const& s, char suffix );
      bool contains( std::string const& s, std::string const& infix );
      void toLowerInPlace( std::string& s );
      std::string toLower( std::string const& s );
      //! Returns a new string without whitespace at the start/end
      std::string trim( std::string const& str );
      //! Returns a substring of the original ref without whitespace. Beware lifetimes!
      StringRef trim(StringRef ref);
  
      // !!! Be aware, returns refs into original string - make sure original string outlives them
      std::vector<StringRef> splitStringRef( StringRef str, char delimiter );
      bool replaceInPlace( std::string& str, std::string const& replaceThis, std::string const& withThis );
  
      struct pluralise {
          pluralise( std::size_t count, std::string const& label );
  
          friend std::ostream& operator << ( std::ostream& os, pluralise const& pluraliser );
  
          std::size_t m_count;
          std::string m_label;
      };
  }
  
  // end catch_string_manip.h
  #ifndef CATCH_CONFIG_DISABLE_MATCHERS
  // start catch_capture_matchers.h
  
  // start catch_matchers.h
  
  #include <string>
  #include <vector>
  
  namespace Catch {
      namespace Matchers {
          namespace Impl {
  
              template<typename ArgT> struct MatchAllOf;
              template<typename ArgT> struct MatchAnyOf;
              template<typename ArgT> struct MatchNotOf;
  
              class MatcherUntypedBase {
              public:
                  MatcherUntypedBase() = default;
                  MatcherUntypedBase ( MatcherUntypedBase const& ) = default;
                  MatcherUntypedBase& operator = ( MatcherUntypedBase const& ) = delete;
                  std::string toString() const;
  
              protected:
                  virtual ~MatcherUntypedBase();
                  virtual std::string describe() const = 0;
                  mutable std::string m_cachedToString;
              };
  
  #ifdef __clang__
              #    pragma clang diagnostic push
  #    pragma clang diagnostic ignored "-Wnon-virtual-dtor"
  #endif
  
              template<typename ObjectT>
              struct MatcherMethod {
                  virtual bool match( ObjectT const& arg ) const = 0;
              };
  
  #if defined(__OBJC__)
              // Hack to fix Catch GH issue #1661. Could use id for generic Object support.
          // use of const for Object pointers is very uncommon and under ARC it causes some kind of signature mismatch that breaks compilation
          template<>
          struct MatcherMethod<NSString*> {
              virtual bool match( NSString* arg ) const = 0;
          };
  #endif
  
  #ifdef __clang__
  #    pragma clang diagnostic pop
  #endif
  
              template<typename T>
              struct MatcherBase : MatcherUntypedBase, MatcherMethod<T> {
  
                  MatchAllOf<T> operator && ( MatcherBase const& other ) const;
                  MatchAnyOf<T> operator || ( MatcherBase const& other ) const;
                  MatchNotOf<T> operator ! () const;
              };
  
              template<typename ArgT>
              struct MatchAllOf : MatcherBase<ArgT> {
                  bool match( ArgT const& arg ) const override {
                      for( auto matcher : m_matchers ) {
                          if (!matcher->match(arg))
                              return false;
                      }
                      return true;
                  }
                  std::string describe() const override {
                      std::string description;
                      description.reserve( 4 + m_matchers.size()*32 );
                      description += "( ";
                      bool first = true;
                      for( auto matcher : m_matchers ) {
                          if( first )
                              first = false;
                          else
                              description += " and ";
                          description += matcher->toString();
                      }
                      description += " )";
                      return description;
                  }
  
                  MatchAllOf<ArgT>& operator && ( MatcherBase<ArgT> const& other ) {
                      m_matchers.push_back( &other );
                      return *this;
                  }
  
                  std::vector<MatcherBase<ArgT> const*> m_matchers;
              };
              template<typename ArgT>
              struct MatchAnyOf : MatcherBase<ArgT> {
  
                  bool match( ArgT const& arg ) const override {
                      for( auto matcher : m_matchers ) {
                          if (matcher->match(arg))
                              return true;
                      }
                      return false;
                  }
                  std::string describe() const override {
                      std::string description;
                      description.reserve( 4 + m_matchers.size()*32 );
                      description += "( ";
                      bool first = true;
                      for( auto matcher : m_matchers ) {
                          if( first )
                              first = false;
                          else
                              description += " or ";
                          description += matcher->toString();
                      }
                      description += " )";
                      return description;
                  }
  
                  MatchAnyOf<ArgT>& operator || ( MatcherBase<ArgT> const& other ) {
                      m_matchers.push_back( &other );
                      return *this;
                  }
  
                  std::vector<MatcherBase<ArgT> const*> m_matchers;
              };
  
              template<typename ArgT>
              struct MatchNotOf : MatcherBase<ArgT> {
  
                  MatchNotOf( MatcherBase<ArgT> const& underlyingMatcher ) : m_underlyingMatcher( underlyingMatcher ) {}
  
                  bool match( ArgT const& arg ) const override {
                      return !m_underlyingMatcher.match( arg );
                  }
  
                  std::string describe() const override {
                      return "not " + m_underlyingMatcher.toString();
                  }
                  MatcherBase<ArgT> const& m_underlyingMatcher;
              };
  
              template<typename T>
              MatchAllOf<T> MatcherBase<T>::operator && ( MatcherBase const& other ) const {
                  return MatchAllOf<T>() && *this && other;
              }
              template<typename T>
              MatchAnyOf<T> MatcherBase<T>::operator || ( MatcherBase const& other ) const {
                  return MatchAnyOf<T>() || *this || other;
              }
              template<typename T>
              MatchNotOf<T> MatcherBase<T>::operator ! () const {
                  return MatchNotOf<T>( *this );
              }
  
          } // namespace Impl
  
      } // namespace Matchers
  
      using namespace Matchers;
      using Matchers::Impl::MatcherBase;
  
  } // namespace Catch
  
  // end catch_matchers.h
  // start catch_matchers_exception.hpp
  
  namespace Catch {
      namespace Matchers {
          namespace Exception {
  
              class ExceptionMessageMatcher : public MatcherBase<std::exception> {
                  std::string m_message;
              public:
  
                  ExceptionMessageMatcher(std::string const& message):
                          m_message(message)
                  {}
  
                  bool match(std::exception const& ex) const override;
  
                  std::string describe() const override;
              };
  
          } // namespace Exception
  
          Exception::ExceptionMessageMatcher Message(std::string const& message);
  
      } // namespace Matchers
  } // namespace Catch
  
  // end catch_matchers_exception.hpp
  // start catch_matchers_floating.h
  
  namespace Catch {
      namespace Matchers {
  
          namespace Floating {
  
              enum class FloatingPointKind : uint8_t;
  
              struct WithinAbsMatcher : MatcherBase<double> {
                  WithinAbsMatcher(double target, double margin);
                  bool match(double const& matchee) const override;
                  std::string describe() const override;
              private:
                  double m_target;
                  double m_margin;
              };
  
              struct WithinUlpsMatcher : MatcherBase<double> {
                  WithinUlpsMatcher(double target, uint64_t ulps, FloatingPointKind baseType);
                  bool match(double const& matchee) const override;
                  std::string describe() const override;
              private:
                  double m_target;
                  uint64_t m_ulps;
                  FloatingPointKind m_type;
              };
  
              // Given IEEE-754 format for floats and doubles, we can assume
              // that float -> double promotion is lossless. Given this, we can
              // assume that if we do the standard relative comparison of
              // |lhs - rhs| <= epsilon * max(fabs(lhs), fabs(rhs)), then we get
              // the same result if we do this for floats, as if we do this for
              // doubles that were promoted from floats.
              struct WithinRelMatcher : MatcherBase<double> {
                  WithinRelMatcher(double target, double epsilon);
                  bool match(double const& matchee) const override;
                  std::string describe() const override;
              private:
                  double m_target;
                  double m_epsilon;
              };
  
          } // namespace Floating
  
          // The following functions create the actual matcher objects.
          // This allows the types to be inferred
          Floating::WithinUlpsMatcher WithinULP(double target, uint64_t maxUlpDiff);
          Floating::WithinUlpsMatcher WithinULP(float target, uint64_t maxUlpDiff);
          Floating::WithinAbsMatcher WithinAbs(double target, double margin);
          Floating::WithinRelMatcher WithinRel(double target, double eps);
          // defaults epsilon to 100*numeric_limits<double>::epsilon()
          Floating::WithinRelMatcher WithinRel(double target);
          Floating::WithinRelMatcher WithinRel(float target, float eps);
          // defaults epsilon to 100*numeric_limits<float>::epsilon()
          Floating::WithinRelMatcher WithinRel(float target);
  
      } // namespace Matchers
  } // namespace Catch
  
  // end catch_matchers_floating.h
  // start catch_matchers_generic.hpp
  
  #include <functional>
  #include <string>
  
  namespace Catch {
      namespace Matchers {
          namespace Generic {
  
              namespace Detail {
                  std::string finalizeDescription(const std::string& desc);
              }
  
              template <typename T>
              class PredicateMatcher : public MatcherBase<T> {
                  std::function<bool(T const&)> m_predicate;
                  std::string m_description;
              public:
  
                  PredicateMatcher(std::function<bool(T const&)> const& elem, std::string const& descr)
                          :m_predicate(std::move(elem)),
                           m_description(Detail::finalizeDescription(descr))
                  {}
  
                  bool match( T const& item ) const override {
                      return m_predicate(item);
                  }
  
                  std::string describe() const override {
                      return m_description;
                  }
              };
  
          } // namespace Generic
  
          // The following functions create the actual matcher objects.
          // The user has to explicitly specify type to the function, because
          // inferring std::function<bool(T const&)> is hard (but possible) and
          // requires a lot of TMP.
          template<typename T>
          Generic::PredicateMatcher<T> Predicate(std::function<bool(T const&)> const& predicate, std::string const& description = "") {
              return Generic::PredicateMatcher<T>(predicate, description);
          }
  
      } // namespace Matchers
  } // namespace Catch
  
  // end catch_matchers_generic.hpp
  // start catch_matchers_string.h
  
  #include <string>
  
  namespace Catch {
      namespace Matchers {
  
          namespace StdString {
  
              struct CasedString
              {
                  CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity );
                  std::string adjustString( std::string const& str ) const;
                  std::string caseSensitivitySuffix() const;
  
                  CaseSensitive::Choice m_caseSensitivity;
                  std::string m_str;
              };
  
              struct StringMatcherBase : MatcherBase<std::string> {
                  StringMatcherBase( std::string const& operation, CasedString const& comparator );
                  std::string describe() const override;
  
                  CasedString m_comparator;
                  std::string m_operation;
              };
  
              struct EqualsMatcher : StringMatcherBase {
                  EqualsMatcher( CasedString const& comparator );
                  bool match( std::string const& source ) const override;
              };
              struct ContainsMatcher : StringMatcherBase {
                  ContainsMatcher( CasedString const& comparator );
                  bool match( std::string const& source ) const override;
              };
              struct StartsWithMatcher : StringMatcherBase {
                  StartsWithMatcher( CasedString const& comparator );
                  bool match( std::string const& source ) const override;
              };
              struct EndsWithMatcher : StringMatcherBase {
                  EndsWithMatcher( CasedString const& comparator );
                  bool match( std::string const& source ) const override;
              };
  
              struct RegexMatcher : MatcherBase<std::string> {
                  RegexMatcher( std::string regex, CaseSensitive::Choice caseSensitivity );
                  bool match( std::string const& matchee ) const override;
                  std::string describe() const override;
  
              private:
                  std::string m_regex;
                  CaseSensitive::Choice m_caseSensitivity;
              };
  
          } // namespace StdString
  
          // The following functions create the actual matcher objects.
          // This allows the types to be inferred
  
          StdString::EqualsMatcher Equals( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
          StdString::ContainsMatcher Contains( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
          StdString::EndsWithMatcher EndsWith( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
          StdString::StartsWithMatcher StartsWith( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
          StdString::RegexMatcher Matches( std::string const& regex, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
  
      } // namespace Matchers
  } // namespace Catch
  
  // end catch_matchers_string.h
  // start catch_matchers_vector.h
  
  #include <algorithm>
  
  namespace Catch {
      namespace Matchers {
  
          namespace Vector {
              template<typename T>
              struct ContainsElementMatcher : MatcherBase<std::vector<T>> {
  
                  ContainsElementMatcher(T const &comparator) : m_comparator( comparator) {}
  
                  bool match(std::vector<T> const &v) const override {
                      for (auto const& el : v) {
                          if (el == m_comparator) {
                              return true;
                          }
                      }
                      return false;
                  }
  
                  std::string describe() const override {
                      return "Contains: " + ::Catch::Detail::stringify( m_comparator );
                  }
  
                  T const& m_comparator;
              };
  
              template<typename T>
              struct ContainsMatcher : MatcherBase<std::vector<T>> {
  
                  ContainsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}
  
                  bool match(std::vector<T> const &v) const override {
                      // !TBD: see note in EqualsMatcher
                      if (m_comparator.size() > v.size())
                          return false;
                      for (auto const& comparator : m_comparator) {
                          auto present = false;
                          for (const auto& el : v) {
                              if (el == comparator) {
                                  present = true;
                                  break;
                              }
                          }
                          if (!present) {
                              return false;
                          }
                      }
                      return true;
                  }
                  std::string describe() const override {
                      return "Contains: " + ::Catch::Detail::stringify( m_comparator );
                  }
  
                  std::vector<T> const& m_comparator;
              };
  
              template<typename T>
              struct EqualsMatcher : MatcherBase<std::vector<T>> {
  
                  EqualsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}
  
                  bool match(std::vector<T> const &v) const override {
                      // !TBD: This currently works if all elements can be compared using !=
                      // - a more general approach would be via a compare template that defaults
                      // to using !=. but could be specialised for, e.g. std::vector<T> etc
                      // - then just call that directly
                      if (m_comparator.size() != v.size())
                          return false;
                      for (std::size_t i = 0; i < v.size(); ++i)
                          if (m_comparator[i] != v[i])
                              return false;
                      return true;
                  }
                  std::string describe() const override {
                      return "Equals: " + ::Catch::Detail::stringify( m_comparator );
                  }
                  std::vector<T> const& m_comparator;
              };
  
              template<typename T>
              struct ApproxMatcher : MatcherBase<std::vector<T>> {
  
                  ApproxMatcher(std::vector<T> const& comparator) : m_comparator( comparator ) {}
  
                  bool match(std::vector<T> const &v) const override {
                      if (m_comparator.size() != v.size())
                          return false;
                      for (std::size_t i = 0; i < v.size(); ++i)
                          if (m_comparator[i] != approx(v[i]))
                              return false;
                      return true;
                  }
                  std::string describe() const override {
                      return "is approx: " + ::Catch::Detail::stringify( m_comparator );
                  }
                  template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
                  ApproxMatcher& epsilon( T const& newEpsilon ) {
                      approx.epsilon(newEpsilon);
                      return *this;
                  }
                  template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
                  ApproxMatcher& margin( T const& newMargin ) {
                      approx.margin(newMargin);
                      return *this;
                  }
                  template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
                  ApproxMatcher& scale( T const& newScale ) {
                      approx.scale(newScale);
                      return *this;
                  }
  
                  std::vector<T> const& m_comparator;
                  mutable Catch::Detail::Approx approx = Catch::Detail::Approx::custom();
              };
  
              template<typename T>
              struct UnorderedEqualsMatcher : MatcherBase<std::vector<T>> {
                  UnorderedEqualsMatcher(std::vector<T> const& target) : m_target(target) {}
                  bool match(std::vector<T> const& vec) const override {
                      // Note: This is a reimplementation of std::is_permutation,
                      //       because I don't want to include <algorithm> inside the common path
                      if (m_target.size() != vec.size()) {
                          return false;
                      }
                      return std::is_permutation(m_target.begin(), m_target.end(), vec.begin());
                  }
  
                  std::string describe() const override {
                      return "UnorderedEquals: " + ::Catch::Detail::stringify(m_target);
                  }
              private:
                  std::vector<T> const& m_target;
              };
  
          } // namespace Vector
  
          // The following functions create the actual matcher objects.
          // This allows the types to be inferred
  
          template<typename T>
          Vector::ContainsMatcher<T> Contains( std::vector<T> const& comparator ) {
              return Vector::ContainsMatcher<T>( comparator );
          }
  
          template<typename T>
          Vector::ContainsElementMatcher<T> VectorContains( T const& comparator ) {
              return Vector::ContainsElementMatcher<T>( comparator );
          }
  
          template<typename T>
          Vector::EqualsMatcher<T> Equals( std::vector<T> const& comparator ) {
              return Vector::EqualsMatcher<T>( comparator );
          }
  
          template<typename T>
          Vector::ApproxMatcher<T> Approx( std::vector<T> const& comparator ) {
              return Vector::ApproxMatcher<T>( comparator );
          }
  
          template<typename T>
          Vector::UnorderedEqualsMatcher<T> UnorderedEquals(std::vector<T> const& target) {
              return Vector::UnorderedEqualsMatcher<T>(target);
          }
  
      } // namespace Matchers
  } // namespace Catch
  
  // end catch_matchers_vector.h
  namespace Catch {
  
      template<typename ArgT, typename MatcherT>
      class MatchExpr : public ITransientExpression {
          ArgT const& m_arg;
          MatcherT m_matcher;
          StringRef m_matcherString;
      public:
          MatchExpr( ArgT const& arg, MatcherT const& matcher, StringRef const& matcherString )
                  :   ITransientExpression{ true, matcher.match( arg ) },
                      m_arg( arg ),
                      m_matcher( matcher ),
                      m_matcherString( matcherString )
          {}
  
          void streamReconstructedExpression( std::ostream &os ) const override {
              auto matcherAsString = m_matcher.toString();
              os << Catch::Detail::stringify( m_arg ) << ' ';
              if( matcherAsString == Detail::unprintableString )
                  os << m_matcherString;
              else
                  os << matcherAsString;
          }
      };
  
      using StringMatcher = Matchers::Impl::MatcherBase<std::string>;
  
      void handleExceptionMatchExpr( AssertionHandler& handler, StringMatcher const& matcher, StringRef const& matcherString  );
  
      template<typename ArgT, typename MatcherT>
      auto makeMatchExpr( ArgT const& arg, MatcherT const& matcher, StringRef const& matcherString  ) -> MatchExpr<ArgT, MatcherT> {
          return MatchExpr<ArgT, MatcherT>( arg, matcher, matcherString );
      }
  
  } // namespace Catch
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CHECK_THAT( macroName, matcher, resultDisposition, arg ) \
      do { \
          Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(arg) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
          INTERNAL_CATCH_TRY { \
              catchAssertionHandler.handleExpr( Catch::makeMatchExpr( arg, matcher, #matcher##_catch_sr ) ); \
          } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
          INTERNAL_CATCH_REACT( catchAssertionHandler ) \
      } while( false )
  
  ///////////////////////////////////////////////////////////////////////////////
  #define INTERNAL_CATCH_THROWS_MATCHES( macroName, exceptionType, resultDisposition, matcher, ... ) \
      do { \
          Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(exceptionType) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
          if( catchAssertionHandler.allowThrows() ) \
              try { \
                  static_cast<void>(__VA_ARGS__ ); \
                  catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
              } \
              catch( exceptionType const& ex ) { \
                  catchAssertionHandler.handleExpr( Catch::makeMatchExpr( ex, matcher, #matcher##_catch_sr ) ); \
              } \
              catch( ... ) { \
                  catchAssertionHandler.handleUnexpectedInflightException(); \
              } \
          else \
              catchAssertionHandler.handleThrowingCallSkipped(); \
          INTERNAL_CATCH_REACT( catchAssertionHandler ) \
      } while( false )
  
  // end catch_capture_matchers.h
  #endif
  // start catch_generators.hpp
  
  // start catch_interfaces_generatortracker.h
  
  
  #include <memory>
  
  namespace Catch {
  
      namespace Generators {
          class GeneratorUntypedBase {
          public:
              GeneratorUntypedBase() = default;
              virtual ~GeneratorUntypedBase();
              // Attempts to move the generator to the next element
              //
              // Returns true iff the move succeeded (and a valid element
              // can be retrieved).
              virtual bool next() = 0;
          };
          using GeneratorBasePtr = std::unique_ptr<GeneratorUntypedBase>;
  
      } // namespace Generators
  
      struct IGeneratorTracker {
          virtual ~IGeneratorTracker();
          virtual auto hasGenerator() const -> bool = 0;
          virtual auto getGenerator() const -> Generators::GeneratorBasePtr const& = 0;
          virtual void setGenerator( Generators::GeneratorBasePtr&& generator ) = 0;
      };
  
  } // namespace Catch
  
  // end catch_interfaces_generatortracker.h
  // start catch_enforce.h
  
  #include <exception>
  
  namespace Catch {
  #if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
      template <typename Ex>
      [[noreturn]]
      void throw_exception(Ex const& e) {
          throw e;
      }
  #else // ^^ Exceptions are enabled //  Exceptions are disabled vv
      [[noreturn]]
      void throw_exception(std::exception const& e);
  #endif
  
      [[noreturn]]
      void throw_logic_error(std::string const& msg);
      [[noreturn]]
      void throw_domain_error(std::string const& msg);
      [[noreturn]]
      void throw_runtime_error(std::string const& msg);
  
  } // namespace Catch;
  
  #define CATCH_MAKE_MSG(...) \
      (Catch::ReusableStringStream() << __VA_ARGS__).str()
  
  #define CATCH_INTERNAL_ERROR(...) \
      Catch::throw_logic_error(CATCH_MAKE_MSG( CATCH_INTERNAL_LINEINFO << ": Internal Catch2 error: " << __VA_ARGS__))
  
  #define CATCH_ERROR(...) \
      Catch::throw_domain_error(CATCH_MAKE_MSG( __VA_ARGS__ ))
  
  #define CATCH_RUNTIME_ERROR(...) \
      Catch::throw_runtime_error(CATCH_MAKE_MSG( __VA_ARGS__ ))
  
  #define CATCH_ENFORCE( condition, ... ) \
      do{ if( !(condition) ) CATCH_ERROR( __VA_ARGS__ ); } while(false)
  
  // end catch_enforce.h
  #include <memory>
  #include <vector>
  #include <cassert>
  
  #include <utility>
  #include <exception>
  
  namespace Catch {
  
      class GeneratorException : public std::exception {
          const char* const m_msg = "";
  
      public:
          GeneratorException(const char* msg):
                  m_msg(msg)
          {}
  
          const char* what() const noexcept override final;
      };
  
      namespace Generators {
  
          // !TBD move this into its own location?
          namespace pf{
              template<typename T, typename... Args>
              std::unique_ptr<T> make_unique( Args&&... args ) {
                  return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
              }
          }
  
          template<typename T>
          struct IGenerator : GeneratorUntypedBase {
              virtual ~IGenerator() = default;
  
              // Returns the current element of the generator
              //
              // \Precondition The generator is either freshly constructed,
              // or the last call to `next()` returned true
              virtual T const& get() const = 0;
              using type = T;
          };
  
          template<typename T>
          class SingleValueGenerator final : public IGenerator<T> {
              T m_value;
          public:
              SingleValueGenerator(T&& value) : m_value(std::move(value)) {}
  
              T const& get() const override {
                  return m_value;
              }
              bool next() override {
                  return false;
              }
          };
  
          template<typename T>
          class FixedValuesGenerator final : public IGenerator<T> {
              static_assert(!std::is_same<T, bool>::value,
                            "FixedValuesGenerator does not support bools because of std::vector<bool>"
                            "specialization, use SingleValue Generator instead.");
              std::vector<T> m_values;
              size_t m_idx = 0;
          public:
              FixedValuesGenerator( std::initializer_list<T> values ) : m_values( values ) {}
  
              T const& get() const override {
                  return m_values[m_idx];
              }
              bool next() override {
                  ++m_idx;
                  return m_idx < m_values.size();
              }
          };
  
          template <typename T>
          class GeneratorWrapper final {
              std::unique_ptr<IGenerator<T>> m_generator;
          public:
              GeneratorWrapper(std::unique_ptr<IGenerator<T>> generator):
                      m_generator(std::move(generator))
              {}
              T const& get() const {
                  return m_generator->get();
              }
              bool next() {
                  return m_generator->next();
              }
          };
  
          template <typename T>
          GeneratorWrapper<T> value(T&& value) {
              return GeneratorWrapper<T>(pf::make_unique<SingleValueGenerator<T>>(std::forward<T>(value)));
          }
          template <typename T>
          GeneratorWrapper<T> values(std::initializer_list<T> values) {
              return GeneratorWrapper<T>(pf::make_unique<FixedValuesGenerator<T>>(values));
          }
  
          template<typename T>
          class Generators : public IGenerator<T> {
              std::vector<GeneratorWrapper<T>> m_generators;
              size_t m_current = 0;
  
              void populate(GeneratorWrapper<T>&& generator) {
                  m_generators.emplace_back(std::move(generator));
              }
              void populate(T&& val) {
                  m_generators.emplace_back(value(std::forward<T>(val)));
              }
              template<typename U>
              void populate(U&& val) {
                  populate(T(std::forward<U>(val)));
              }
              template<typename U, typename... Gs>
              void populate(U&& valueOrGenerator, Gs &&... moreGenerators) {
                  populate(std::forward<U>(valueOrGenerator));
                  populate(std::forward<Gs>(moreGenerators)...);
              }
  
          public:
              template <typename... Gs>
              Generators(Gs &&... moreGenerators) {
                  m_generators.reserve(sizeof...(Gs));
                  populate(std::forward<Gs>(moreGenerators)...);
              }
  
              T const& get() const override {
                  return m_generators[m_current].get();
              }
  
              bool next() override {
                  if (m_current >= m_generators.size()) {
                      return false;
                  }
                  const bool current_status = m_generators[m_current].next();
                  if (!current_status) {
                      ++m_current;
                  }
                  return m_current < m_generators.size();
              }
          };
  
          template<typename... Ts>
          GeneratorWrapper<std::tuple<Ts...>> table( std::initializer_list<std::tuple<typename std::decay<Ts>::type...>> tuples ) {
              return values<std::tuple<Ts...>>( tuples );
          }
  
          // Tag type to signal that a generator sequence should convert arguments to a specific type
          template <typename T>
          struct as {};
  
          template<typename T, typename... Gs>
          auto makeGenerators( GeneratorWrapper<T>&& generator, Gs &&... moreGenerators ) -> Generators<T> {
              return Generators<T>(std::move(generator), std::forward<Gs>(moreGenerators)...);
          }
          template<typename T>
          auto makeGenerators( GeneratorWrapper<T>&& generator ) -> Generators<T> {
              return Generators<T>(std::move(generator));
          }
          template<typename T, typename... Gs>
          auto makeGenerators( T&& val, Gs &&... moreGenerators ) -> Generators<T> {
              return makeGenerators( value( std::forward<T>( val ) ), std::forward<Gs>( moreGenerators )... );
          }
          template<typename T, typename U, typename... Gs>
          auto makeGenerators( as<T>, U&& val, Gs &&... moreGenerators ) -> Generators<T> {
              return makeGenerators( value( T( std::forward<U>( val ) ) ), std::forward<Gs>( moreGenerators )... );
          }
  
          auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker&;
  
          template<typename L>
          // Note: The type after -> is weird, because VS2015 cannot parse
          //       the expression used in the typedef inside, when it is in
          //       return type. Yeah.
          auto generate( SourceLineInfo const& lineInfo, L const& generatorExpression ) -> decltype(std::declval<decltype(generatorExpression())>().get()) {
              using UnderlyingType = typename decltype(generatorExpression())::type;
  
              IGeneratorTracker& tracker = acquireGeneratorTracker( lineInfo );
              if (!tracker.hasGenerator()) {
                  tracker.setGenerator(pf::make_unique<Generators<UnderlyingType>>(generatorExpression()));
              }
  
              auto const& generator = static_cast<IGenerator<UnderlyingType> const&>( *tracker.getGenerator() );
              return generator.get();
          }
  
      } // namespace Generators
  } // namespace Catch
  
  #define GENERATE( ... ) \
      Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [ ]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
  #define GENERATE_COPY( ... ) \
      Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [=]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
  #define GENERATE_REF( ... ) \
      Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [&]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
  
  // end catch_generators.hpp
  // start catch_generators_generic.hpp
  
  namespace Catch {
      namespace Generators {
  
          template <typename T>
          class TakeGenerator : public IGenerator<T> {
              GeneratorWrapper<T> m_generator;
              size_t m_returned = 0;
              size_t m_target;
          public:
              TakeGenerator(size_t target, GeneratorWrapper<T>&& generator):
                      m_generator(std::move(generator)),
                      m_target(target)
              {
                  assert(target != 0 && "Empty generators are not allowed");
              }
              T const& get() const override {
                  return m_generator.get();
              }
              bool next() override {
                  ++m_returned;
                  if (m_returned >= m_target) {
                      return false;
                  }
  
                  const auto success = m_generator.next();
                  // If the underlying generator does not contain enough values
                  // then we cut short as well
                  if (!success) {
                      m_returned = m_target;
                  }
                  return success;
              }
          };
  
          template <typename T>
          GeneratorWrapper<T> take(size_t target, GeneratorWrapper<T>&& generator) {
              return GeneratorWrapper<T>(pf::make_unique<TakeGenerator<T>>(target, std::move(generator)));
          }
  
          template <typename T, typename Predicate>
          class FilterGenerator : public IGenerator<T> {
              GeneratorWrapper<T> m_generator;
              Predicate m_predicate;
          public:
              template <typename P = Predicate>
              FilterGenerator(P&& pred, GeneratorWrapper<T>&& generator):
                      m_generator(std::move(generator)),
                      m_predicate(std::forward<P>(pred))
              {
                  if (!m_predicate(m_generator.get())) {
                      // It might happen that there are no values that pass the
                      // filter. In that case we throw an exception.
                      auto has_initial_value = next();
                      if (!has_initial_value) {
                          Catch::throw_exception(GeneratorException("No valid value found in filtered generator"));
                      }
                  }
              }
  
              T const& get() const override {
                  return m_generator.get();
              }
  
              bool next() override {
                  bool success = m_generator.next();
                  if (!success) {
                      return false;
                  }
                  while (!m_predicate(m_generator.get()) && (success = m_generator.next()) == true);
                  return success;
              }
          };
  
          template <typename T, typename Predicate>
          GeneratorWrapper<T> filter(Predicate&& pred, GeneratorWrapper<T>&& generator) {
              return GeneratorWrapper<T>(std::unique_ptr<IGenerator<T>>(pf::make_unique<FilterGenerator<T, Predicate>>(std::forward<Predicate>(pred), std::move(generator))));
          }
  
          template <typename T>
          class RepeatGenerator : public IGenerator<T> {
              static_assert(!std::is_same<T, bool>::value,
                            "RepeatGenerator currently does not support bools"
                            "because of std::vector<bool> specialization");
              GeneratorWrapper<T> m_generator;
              mutable std::vector<T> m_returned;
              size_t m_target_repeats;
              size_t m_current_repeat = 0;
              size_t m_repeat_index = 0;
          public:
              RepeatGenerator(size_t repeats, GeneratorWrapper<T>&& generator):
                      m_generator(std::move(generator)),
                      m_target_repeats(repeats)
              {
                  assert(m_target_repeats > 0 && "Repeat generator must repeat at least once");
              }
  
              T const& get() const override {
                  if (m_current_repeat == 0) {
                      m_returned.push_back(m_generator.get());
                      return m_returned.back();
                  }
                  return m_returned[m_repeat_index];
              }
  
              bool next() override {
                  // There are 2 basic cases:
                  // 1) We are still reading the generator
                  // 2) We are reading our own cache
  
                  // In the first case, we need to poke the underlying generator.
                  // If it happily moves, we are left in that state, otherwise it is time to start reading from our cache
                  if (m_current_repeat == 0) {
                      const auto success = m_generator.next();
                      if (!success) {
                          ++m_current_repeat;
                      }
                      return m_current_repeat < m_target_repeats;
                  }
  
                  // In the second case, we need to move indices forward and check that we haven't run up against the end
                  ++m_repeat_index;
                  if (m_repeat_index == m_returned.size()) {
                      m_repeat_index = 0;
                      ++m_current_repeat;
                  }
                  return m_current_repeat < m_target_repeats;
              }
          };
  
          template <typename T>
          GeneratorWrapper<T> repeat(size_t repeats, GeneratorWrapper<T>&& generator) {
              return GeneratorWrapper<T>(pf::make_unique<RepeatGenerator<T>>(repeats, std::move(generator)));
          }
  
          template <typename T, typename U, typename Func>
          class MapGenerator : public IGenerator<T> {
              // TBD: provide static assert for mapping function, for friendly error message
              GeneratorWrapper<U> m_generator;
              Func m_function;
              // To avoid returning dangling reference, we have to save the values
              T m_cache;
          public:
              template <typename F2 = Func>
              MapGenerator(F2&& function, GeneratorWrapper<U>&& generator) :
                      m_generator(std::move(generator)),
                      m_function(std::forward<F2>(function)),
                      m_cache(m_function(m_generator.get()))
              {}
  
              T const& get() const override {
                  return m_cache;
              }
              bool next() override {
                  const auto success = m_generator.next();
                  if (success) {
                      m_cache = m_function(m_generator.get());
                  }
                  return success;
              }
          };
  
          template <typename Func, typename U, typename T = FunctionReturnType<Func, U>>
          GeneratorWrapper<T> map(Func&& function, GeneratorWrapper<U>&& generator) {
              return GeneratorWrapper<T>(
                      pf::make_unique<MapGenerator<T, U, Func>>(std::forward<Func>(function), std::move(generator))
              );
          }
  
          template <typename T, typename U, typename Func>
          GeneratorWrapper<T> map(Func&& function, GeneratorWrapper<U>&& generator) {
              return GeneratorWrapper<T>(
                      pf::make_unique<MapGenerator<T, U, Func>>(std::forward<Func>(function), std::move(generator))
              );
          }
  
          template <typename T>
          class ChunkGenerator final : public IGenerator<std::vector<T>> {
              std::vector<T> m_chunk;
              size_t m_chunk_size;
              GeneratorWrapper<T> m_generator;
              bool m_used_up = false;
          public:
              ChunkGenerator(size_t size, GeneratorWrapper<T> generator) :
                      m_chunk_size(size), m_generator(std::move(generator))
              {
                  m_chunk.reserve(m_chunk_size);
                  if (m_chunk_size != 0) {
                      m_chunk.push_back(m_generator.get());
                      for (size_t i = 1; i < m_chunk_size; ++i) {
                          if (!m_generator.next()) {
                              Catch::throw_exception(GeneratorException("Not enough values to initialize the first chunk"));
                          }
                          m_chunk.push_back(m_generator.get());
                      }
                  }
              }
              std::vector<T> const& get() const override {
                  return m_chunk;
              }
              bool next() override {
                  m_chunk.clear();
                  for (size_t idx = 0; idx < m_chunk_size; ++idx) {
                      if (!m_generator.next()) {
                          return false;
                      }
                      m_chunk.push_back(m_generator.get());
                  }
                  return true;
              }
          };
  
          template <typename T>
          GeneratorWrapper<std::vector<T>> chunk(size_t size, GeneratorWrapper<T>&& generator) {
              return GeneratorWrapper<std::vector<T>>(
                      pf::make_unique<ChunkGenerator<T>>(size, std::move(generator))
              );
          }
  
      } // namespace Generators
  } // namespace Catch
  
  // end catch_generators_generic.hpp
  // start catch_generators_specific.hpp
  
  // start catch_context.h
  
  #include <memory>
  
  namespace Catch {
  
      struct IResultCapture;
      struct IRunner;
      struct IConfig;
      struct IMutableContext;
  
      using IConfigPtr = std::shared_ptr<IConfig const>;
  
      struct IContext
      {
          virtual ~IContext();
  
          virtual IResultCapture* getResultCapture() = 0;
          virtual IRunner* getRunner() = 0;
          virtual IConfigPtr const& getConfig() const = 0;
      };
  
      struct IMutableContext : IContext
      {
          virtual ~IMutableContext();
          virtual void setResultCapture( IResultCapture* resultCapture ) = 0;
          virtual void setRunner( IRunner* runner ) = 0;
          virtual void setConfig( IConfigPtr const& config ) = 0;
  
      private:
          static IMutableContext *currentContext;
          friend IMutableContext& getCurrentMutableContext();
          friend void cleanUpContext();
          static void createContext();
      };
  
      inline IMutableContext& getCurrentMutableContext()
      {
          if( !IMutableContext::currentContext )
              IMutableContext::createContext();
          // NOLINTNEXTLINE(clang-analyzer-core.uninitialized.UndefReturn)
          return *IMutableContext::currentContext;
      }
  
      inline IContext& getCurrentContext()
      {
          return getCurrentMutableContext();
      }
  
      void cleanUpContext();
  
      class SimplePcg32;
      SimplePcg32& rng();
  }
  
  // end catch_context.h
  // start catch_interfaces_config.h
  
  // start catch_option.hpp
  
  namespace Catch {
  
      // An optional type
      template<typename T>
      class Option {
      public:
          Option() : nullableValue( nullptr ) {}
          Option( T const& _value )
                  : nullableValue( new( storage ) T( _value ) )
          {}
          Option( Option const& _other )
                  : nullableValue( _other ? new( storage ) T( *_other ) : nullptr )
          {}
  
          ~Option() {
              reset();
          }
  
          Option& operator= ( Option const& _other ) {
              if( &_other != this ) {
                  reset();
                  if( _other )
                      nullableValue = new( storage ) T( *_other );
              }
              return *this;
          }
          Option& operator = ( T const& _value ) {
              reset();
              nullableValue = new( storage ) T( _value );
              return *this;
          }
  
          void reset() {
              if( nullableValue )
                  nullableValue->~T();
              nullableValue = nullptr;
          }
  
          T& operator*() { return *nullableValue; }
          T const& operator*() const { return *nullableValue; }
          T* operator->() { return nullableValue; }
          const T* operator->() const { return nullableValue; }
  
          T valueOr( T const& defaultValue ) const {
              return nullableValue ? *nullableValue : defaultValue;
          }
  
          bool some() const { return nullableValue != nullptr; }
          bool none() const { return nullableValue == nullptr; }
  
          bool operator !() const { return nullableValue == nullptr; }
          explicit operator bool() const {
              return some();
          }
  
      private:
          T *nullableValue;
          alignas(alignof(T)) char storage[sizeof(T)];
      };
  
  } // end namespace Catch
  
  // end catch_option.hpp
  #include <iosfwd>
  #include <string>
  #include <vector>
  #include <memory>
  
  namespace Catch {
  
      enum class Verbosity {
          Quiet = 0,
          Normal,
          High
      };
  
      struct WarnAbout { enum What {
              Nothing = 0x00,
              NoAssertions = 0x01,
              NoTests = 0x02
          }; };
  
      struct ShowDurations { enum OrNot {
              DefaultForReporter,
              Always,
              Never
          }; };
      struct RunTests { enum InWhatOrder {
              InDeclarationOrder,
              InLexicographicalOrder,
              InRandomOrder
          }; };
      struct UseColour { enum YesOrNo {
              Auto,
              Yes,
              No
          }; };
      struct WaitForKeypress { enum When {
              Never,
              BeforeStart = 1,
              BeforeExit = 2,
              BeforeStartAndExit = BeforeStart | BeforeExit
          }; };
  
      class TestSpec;
  
      struct IConfig : NonCopyable {
  
          virtual ~IConfig();
  
          virtual bool allowThrows() const = 0;
          virtual std::ostream& stream() const = 0;
          virtual std::string name() const = 0;
          virtual bool includeSuccessfulResults() const = 0;
          virtual bool shouldDebugBreak() const = 0;
          virtual bool warnAboutMissingAssertions() const = 0;
          virtual bool warnAboutNoTests() const = 0;
          virtual int abortAfter() const = 0;
          virtual bool showInvisibles() const = 0;
          virtual ShowDurations::OrNot showDurations() const = 0;
          virtual TestSpec const& testSpec() const = 0;
          virtual bool hasTestFilters() const = 0;
          virtual std::vector<std::string> const& getTestsOrTags() const = 0;
          virtual RunTests::InWhatOrder runOrder() const = 0;
          virtual unsigned int rngSeed() const = 0;
          virtual UseColour::YesOrNo useColour() const = 0;
          virtual std::vector<std::string> const& getSectionsToRun() const = 0;
          virtual Verbosity verbosity() const = 0;
  
          virtual bool benchmarkNoAnalysis() const = 0;
          virtual int benchmarkSamples() const = 0;
          virtual double benchmarkConfidenceInterval() const = 0;
          virtual unsigned int benchmarkResamples() const = 0;
      };
  
      using IConfigPtr = std::shared_ptr<IConfig const>;
  }
  
  // end catch_interfaces_config.h
  // start catch_random_number_generator.h
  
  #include <cstdint>
  
  namespace Catch {
  
      // This is a simple implementation of C++11 Uniform Random Number
      // Generator. It does not provide all operators, because Catch2
      // does not use it, but it should behave as expected inside stdlib's
      // distributions.
      // The implementation is based on the PCG family (http://pcg-random.org)
      class SimplePcg32 {
          using state_type = std::uint64_t;
      public:
          using result_type = std::uint32_t;
          static constexpr result_type (min)() {
              return 0;
          }
          static constexpr result_type (max)() {
              return static_cast<result_type>(-1);
          }
  
          // Provide some default initial state for the default constructor
          SimplePcg32():SimplePcg32(0xed743cc4U) {}
  
          explicit SimplePcg32(result_type seed_);
  
          void seed(result_type seed_);
          void discard(uint64_t skip);
  
          result_type operator()();
  
      private:
          friend bool operator==(SimplePcg32 const& lhs, SimplePcg32 const& rhs);
          friend bool operator!=(SimplePcg32 const& lhs, SimplePcg32 const& rhs);
  
          // In theory we also need operator<< and operator>>
          // In practice we do not use them, so we will skip them for now
  
          std::uint64_t m_state;
          // This part of the state determines which "stream" of the numbers
          // is chosen -- we take it as a constant for Catch2, so we only
          // need to deal with seeding the main state.
          // Picked by reading 8 bytes from `/dev/random` :-)
          static const std::uint64_t s_inc = (0x13ed0cc53f939476ULL << 1ULL) | 1ULL;
      };
  
  } // end namespace Catch
  
  // end catch_random_number_generator.h
  #include <random>
  
  namespace Catch {
      namespace Generators {
  
          template <typename Float>
          class RandomFloatingGenerator final : public IGenerator<Float> {
              Catch::SimplePcg32& m_rng;
              std::uniform_real_distribution<Float> m_dist;
              Float m_current_number;
          public:
  
              RandomFloatingGenerator(Float a, Float b):
                      m_rng(rng()),
                      m_dist(a, b) {
                  static_cast<void>(next());
              }
  
              Float const& get() const override {
                  return m_current_number;
              }
              bool next() override {
                  m_current_number = m_dist(m_rng);
                  return true;
              }
          };
  
          template <typename Integer>
          class RandomIntegerGenerator final : public IGenerator<Integer> {
              Catch::SimplePcg32& m_rng;
              std::uniform_int_distribution<Integer> m_dist;
              Integer m_current_number;
          public:
  
              RandomIntegerGenerator(Integer a, Integer b):
                      m_rng(rng()),
                      m_dist(a, b) {
                  static_cast<void>(next());
              }
  
              Integer const& get() const override {
                  return m_current_number;
              }
              bool next() override {
                  m_current_number = m_dist(m_rng);
                  return true;
              }
          };
  
  // TODO: Ideally this would be also constrained against the various char types,
  //       but I don't expect users to run into that in practice.
          template <typename T>
          typename std::enable_if<std::is_integral<T>::value && !std::is_same<T, bool>::value,
                  GeneratorWrapper<T>>::type
          random(T a, T b) {
              return GeneratorWrapper<T>(
                      pf::make_unique<RandomIntegerGenerator<T>>(a, b)
              );
          }
  
          template <typename T>
          typename std::enable_if<std::is_floating_point<T>::value,
                  GeneratorWrapper<T>>::type
          random(T a, T b) {
              return GeneratorWrapper<T>(
                      pf::make_unique<RandomFloatingGenerator<T>>(a, b)
              );
          }
  
          template <typename T>
          class RangeGenerator final : public IGenerator<T> {
              T m_current;
              T m_end;
              T m_step;
              bool m_positive;
  
          public:
              RangeGenerator(T const& start, T const& end, T const& step):
                      m_current(start),
                      m_end(end),
                      m_step(step),
                      m_positive(m_step > T(0))
              {
                  assert(m_current != m_end && "Range start and end cannot be equal");
                  assert(m_step != T(0) && "Step size cannot be zero");
                  assert(((m_positive && m_current <= m_end) || (!m_positive && m_current >= m_end)) && "Step moves away from end");
              }
  
              RangeGenerator(T const& start, T const& end):
                      RangeGenerator(start, end, (start < end) ? T(1) : T(-1))
              {}
  
              T const& get() const override {
                  return m_current;
              }
  
              bool next() override {
                  m_current += m_step;
                  return (m_positive) ? (m_current < m_end) : (m_current > m_end);
              }
          };
  
          template <typename T>
          GeneratorWrapper<T> range(T const& start, T const& end, T const& step) {
              static_assert(std::is_arithmetic<T>::value && !std::is_same<T, bool>::value, "Type must be numeric");
              return GeneratorWrapper<T>(pf::make_unique<RangeGenerator<T>>(start, end, step));
          }
  
          template <typename T>
          GeneratorWrapper<T> range(T const& start, T const& end) {
              static_assert(std::is_integral<T>::value && !std::is_same<T, bool>::value, "Type must be an integer");
              return GeneratorWrapper<T>(pf::make_unique<RangeGenerator<T>>(start, end));
          }
  
          template <typename T>
          class IteratorGenerator final : public IGenerator<T> {
              static_assert(!std::is_same<T, bool>::value,
                            "IteratorGenerator currently does not support bools"
                            "because of std::vector<bool> specialization");
  
              std::vector<T> m_elems;
              size_t m_current = 0;
          public:
              template <typename InputIterator, typename InputSentinel>
              IteratorGenerator(InputIterator first, InputSentinel last):m_elems(first, last) {
                  if (m_elems.empty()) {
                      Catch::throw_exception(GeneratorException("IteratorGenerator received no valid values"));
                  }
              }
  
              T const& get() const override {
                  return m_elems[m_current];
              }
  
              bool next() override {
                  ++m_current;
                  return m_current != m_elems.size();
              }
          };
  
          template <typename InputIterator,
                  typename InputSentinel,
                  typename ResultType = typename std::iterator_traits<InputIterator>::value_type>
          GeneratorWrapper<ResultType> from_range(InputIterator from, InputSentinel to) {
              return GeneratorWrapper<ResultType>(pf::make_unique<IteratorGenerator<ResultType>>(from, to));
          }
  
          template <typename Container,
                  typename ResultType = typename Container::value_type>
          GeneratorWrapper<ResultType> from_range(Container const& cnt) {
              return GeneratorWrapper<ResultType>(pf::make_unique<IteratorGenerator<ResultType>>(cnt.begin(), cnt.end()));
          }
  
      } // namespace Generators
  } // namespace Catch
  
  // end catch_generators_specific.hpp
  
  // These files are included here so the single_include script doesn't put them
  // in the conditionally compiled sections
  // start catch_test_case_info.h
  
  #include <string>
  #include <vector>
  #include <memory>
  
  #ifdef __clang__
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wpadded"
  #endif
  
  namespace Catch {
  
      struct ITestInvoker;
  
      struct TestCaseInfo {
          enum SpecialProperties{
              None = 0,
              IsHidden = 1 << 1,
              ShouldFail = 1 << 2,
              MayFail = 1 << 3,
              Throws = 1 << 4,
              NonPortable = 1 << 5,
              Benchmark = 1 << 6
          };
  
          TestCaseInfo(   std::string const& _name,
                          std::string const& _className,
                          std::string const& _description,
                          std::vector<std::string> const& _tags,
                          SourceLineInfo const& _lineInfo );
  
          friend void setTags( TestCaseInfo& testCaseInfo, std::vector<std::string> tags );
  
          bool isHidden() const;
          bool throws() const;
          bool okToFail() const;
          bool expectedToFail() const;
  
          std::string tagsAsString() const;
  
          std::string name;
          std::string className;
          std::string description;
          std::vector<std::string> tags;
          std::vector<std::string> lcaseTags;
          SourceLineInfo lineInfo;
          SpecialProperties properties;
      };
  
      class TestCase : public TestCaseInfo {
      public:
  
          TestCase( ITestInvoker* testCase, TestCaseInfo&& info );
  
          TestCase withName( std::string const& _newName ) const;
  
          void invoke() const;
  
          TestCaseInfo const& getTestCaseInfo() const;
  
          bool operator == ( TestCase const& other ) const;
          bool operator < ( TestCase const& other ) const;
  
      private:
          std::shared_ptr<ITestInvoker> test;
      };
  
      TestCase makeTestCase(  ITestInvoker* testCase,
                              std::string const& className,
                              NameAndTags const& nameAndTags,
                              SourceLineInfo const& lineInfo );
  }
  
  #ifdef __clang__
  #pragma clang diagnostic pop
  #endif
  
  // end catch_test_case_info.h
  // start catch_interfaces_runner.h
  
  namespace Catch {
  
      struct IRunner {
          virtual ~IRunner();
          virtual bool aborting() const = 0;
      };
  }
  
  // end catch_interfaces_runner.h
  
  #ifdef __OBJC__
  // start catch_objc.hpp
  
  #import <objc/runtime.h>
  
  #include <string>
  
  // NB. Any general catch headers included here must be included
  // in catch.hpp first to make sure they are included by the single
  // header for non obj-usage
  
  ///////////////////////////////////////////////////////////////////////////////
  // This protocol is really only here for (self) documenting purposes, since
  // all its methods are optional.
  @protocol OcFixture
  
  @optional
  
  -(void) setUp;
  -(void) tearDown;
  
  @end
  
  namespace Catch {
  
      class OcMethod : public ITestInvoker {
  
      public:
          OcMethod( Class cls, SEL sel ) : m_cls( cls ), m_sel( sel ) {}
  
          virtual void invoke() const {
              id obj = [[m_cls alloc] init];
  
              performOptionalSelector( obj, @selector(setUp)  );
              performOptionalSelector( obj, m_sel );
              performOptionalSelector( obj, @selector(tearDown)  );
  
              arcSafeRelease( obj );
          }
      private:
          virtual ~OcMethod() {}
  
          Class m_cls;
          SEL m_sel;
      };
  
      namespace Detail{
  
          inline std::string getAnnotation(   Class cls,
                                              std::string const& annotationName,
                                              std::string const& testCaseName ) {
              NSString* selStr = [[NSString alloc] initWithFormat:@"Catch_%s_%s", annotationName.c_str(), testCaseName.c_str()];
              SEL sel = NSSelectorFromString( selStr );
              arcSafeRelease( selStr );
              id value = performOptionalSelector( cls, sel );
              if( value )
                  return [(NSString*)value UTF8String];
              return "";
          }
      }
  
      inline std::size_t registerTestMethods() {
          std::size_t noTestMethods = 0;
          int noClasses = objc_getClassList( nullptr, 0 );
  
          Class* classes = (CATCH_UNSAFE_UNRETAINED Class *)malloc( sizeof(Class) * noClasses);
          objc_getClassList( classes, noClasses );
  
          for( int c = 0; c < noClasses; c++ ) {
              Class cls = classes[c];
              {
                  u_int count;
                  Method* methods = class_copyMethodList( cls, &count );
                  for( u_int m = 0; m < count ; m++ ) {
                      SEL selector = method_getName(methods[m]);
                      std::string methodName = sel_getName(selector);
                      if( startsWith( methodName, "Catch_TestCase_" ) ) {
                          std::string testCaseName = methodName.substr( 15 );
                          std::string name = Detail::getAnnotation( cls, "Name", testCaseName );
                          std::string desc = Detail::getAnnotation( cls, "Description", testCaseName );
                          const char* className = class_getName( cls );
  
                          getMutableRegistryHub().registerTest( makeTestCase( new OcMethod( cls, selector ), className, NameAndTags( name.c_str(), desc.c_str() ), SourceLineInfo("",0) ) );
                          noTestMethods++;
                      }
                  }
                  free(methods);
              }
          }
          return noTestMethods;
      }
  
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  
      namespace Matchers {
          namespace Impl {
          namespace NSStringMatchers {
  
              struct StringHolder : MatcherBase<NSString*>{
                  StringHolder( NSString* substr ) : m_substr( [substr copy] ){}
                  StringHolder( StringHolder const& other ) : m_substr( [other.m_substr copy] ){}
                  StringHolder() {
                      arcSafeRelease( m_substr );
                  }
  
                  bool match( NSString* str ) const override {
                      return false;
                  }
  
                  NSString* CATCH_ARC_STRONG m_substr;
              };
  
              struct Equals : StringHolder {
                  Equals( NSString* substr ) : StringHolder( substr ){}
  
                  bool match( NSString* str ) const override {
                      return  (str != nil || m_substr == nil ) &&
                              [str isEqualToString:m_substr];
                  }
  
                  std::string describe() const override {
                      return "equals string: " + Catch::Detail::stringify( m_substr );
                  }
              };
  
              struct Contains : StringHolder {
                  Contains( NSString* substr ) : StringHolder( substr ){}
  
                  bool match( NSString* str ) const override {
                      return  (str != nil || m_substr == nil ) &&
                              [str rangeOfString:m_substr].location != NSNotFound;
                  }
  
                  std::string describe() const override {
                      return "contains string: " + Catch::Detail::stringify( m_substr );
                  }
              };
  
              struct StartsWith : StringHolder {
                  StartsWith( NSString* substr ) : StringHolder( substr ){}
  
                  bool match( NSString* str ) const override {
                      return  (str != nil || m_substr == nil ) &&
                              [str rangeOfString:m_substr].location == 0;
                  }
  
                  std::string describe() const override {
                      return "starts with: " + Catch::Detail::stringify( m_substr );
                  }
              };
              struct EndsWith : StringHolder {
                  EndsWith( NSString* substr ) : StringHolder( substr ){}
  
                  bool match( NSString* str ) const override {
                      return  (str != nil || m_substr == nil ) &&
                              [str rangeOfString:m_substr].location == [str length] - [m_substr length];
                  }
  
                  std::string describe() const override {
                      return "ends with: " + Catch::Detail::stringify( m_substr );
                  }
              };
  
          } // namespace NSStringMatchers
          } // namespace Impl
  
          inline Impl::NSStringMatchers::Equals
              Equals( NSString* substr ){ return Impl::NSStringMatchers::Equals( substr ); }
  
          inline Impl::NSStringMatchers::Contains
              Contains( NSString* substr ){ return Impl::NSStringMatchers::Contains( substr ); }
  
          inline Impl::NSStringMatchers::StartsWith
              StartsWith( NSString* substr ){ return Impl::NSStringMatchers::StartsWith( substr ); }
  
          inline Impl::NSStringMatchers::EndsWith
              EndsWith( NSString* substr ){ return Impl::NSStringMatchers::EndsWith( substr ); }
  
      } // namespace Matchers
  
      using namespace Matchers;
  
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  
  } // namespace Catch
  
  ///////////////////////////////////////////////////////////////////////////////
  #define OC_MAKE_UNIQUE_NAME( root, uniqueSuffix ) root##uniqueSuffix
  #define OC_TEST_CASE2( name, desc, uniqueSuffix ) \
  +(NSString*) OC_MAKE_UNIQUE_NAME( Catch_Name_test_, uniqueSuffix ) \
  { \
  return @ name; \
  } \
  +(NSString*) OC_MAKE_UNIQUE_NAME( Catch_Description_test_, uniqueSuffix ) \
  { \
  return @ desc; \
  } \
  -(void) OC_MAKE_UNIQUE_NAME( Catch_TestCase_test_, uniqueSuffix )
  
  #define OC_TEST_CASE( name, desc ) OC_TEST_CASE2( name, desc, __LINE__ )
  
  // end catch_objc.hpp
  #endif
  
  // Benchmarking needs the externally-facing parts of reporters to work
  #if defined(CATCH_CONFIG_EXTERNAL_INTERFACES) || defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  // start catch_external_interfaces.h
  
  // start catch_reporter_bases.hpp
  
  // start catch_interfaces_reporter.h
  
  // start catch_config.hpp
  
  // start catch_test_spec_parser.h
  
  #ifdef __clang__
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wpadded"
  #endif
  
  // start catch_test_spec.h
  
  #ifdef __clang__
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wpadded"
  #endif
  
  // start catch_wildcard_pattern.h
  
  namespace Catch
  {
      class WildcardPattern {
          enum WildcardPosition {
              NoWildcard = 0,
              WildcardAtStart = 1,
              WildcardAtEnd = 2,
              WildcardAtBothEnds = WildcardAtStart | WildcardAtEnd
          };
  
      public:
  
          WildcardPattern( std::string const& pattern, CaseSensitive::Choice caseSensitivity );
          virtual ~WildcardPattern() = default;
          virtual bool matches( std::string const& str ) const;
  
      private:
          std::string normaliseString( std::string const& str ) const;
          CaseSensitive::Choice m_caseSensitivity;
          WildcardPosition m_wildcard = NoWildcard;
          std::string m_pattern;
      };
  }
  
  // end catch_wildcard_pattern.h
  #include <string>
  #include <vector>
  #include <memory>
  
  namespace Catch {
  
      struct IConfig;
  
      class TestSpec {
          class Pattern {
          public:
              explicit Pattern( std::string const& name );
              virtual ~Pattern();
              virtual bool matches( TestCaseInfo const& testCase ) const = 0;
              std::string const& name() const;
          private:
              std::string const m_name;
          };
          using PatternPtr = std::shared_ptr<Pattern>;
  
          class NamePattern : public Pattern {
          public:
              explicit NamePattern( std::string const& name, std::string const& filterString );
              bool matches( TestCaseInfo const& testCase ) const override;
          private:
              WildcardPattern m_wildcardPattern;
          };
  
          class TagPattern : public Pattern {
          public:
              explicit TagPattern( std::string const& tag, std::string const& filterString );
              bool matches( TestCaseInfo const& testCase ) const override;
          private:
              std::string m_tag;
          };
  
          class ExcludedPattern : public Pattern {
          public:
              explicit ExcludedPattern( PatternPtr const& underlyingPattern );
              bool matches( TestCaseInfo const& testCase ) const override;
          private:
              PatternPtr m_underlyingPattern;
          };
  
          struct Filter {
              std::vector<PatternPtr> m_patterns;
  
              bool matches( TestCaseInfo const& testCase ) const;
              std::string name() const;
          };
  
      public:
          struct FilterMatch {
              std::string name;
              std::vector<TestCase const*> tests;
          };
          using Matches = std::vector<FilterMatch>;
          using vectorStrings = std::vector<std::string>;
  
          bool hasFilters() const;
          bool matches( TestCaseInfo const& testCase ) const;
          Matches matchesByFilter( std::vector<TestCase> const& testCases, IConfig const& config ) const;
          const vectorStrings & getInvalidArgs() const;
  
      private:
          std::vector<Filter> m_filters;
          std::vector<std::string> m_invalidArgs;
          friend class TestSpecParser;
      };
  }
  
  #ifdef __clang__
  #pragma clang diagnostic pop
  #endif
  
  // end catch_test_spec.h
  // start catch_interfaces_tag_alias_registry.h
  
  #include <string>
  
  namespace Catch {
  
      struct TagAlias;
  
      struct ITagAliasRegistry {
          virtual ~ITagAliasRegistry();
          // Nullptr if not present
          virtual TagAlias const* find( std::string const& alias ) const = 0;
          virtual std::string expandAliases( std::string const& unexpandedTestSpec ) const = 0;
  
          static ITagAliasRegistry const& get();
      };
  
  } // end namespace Catch
  
  // end catch_interfaces_tag_alias_registry.h
  namespace Catch {
  
      class TestSpecParser {
          enum Mode{ None, Name, QuotedName, Tag, EscapedName };
          Mode m_mode = None;
          Mode lastMode = None;
          bool m_exclusion = false;
          std::size_t m_pos = 0;
          std::size_t m_realPatternPos = 0;
          std::string m_arg;
          std::string m_substring;
          std::string m_patternName;
          std::vector<std::size_t> m_escapeChars;
          TestSpec::Filter m_currentFilter;
          TestSpec m_testSpec;
          ITagAliasRegistry const* m_tagAliases = nullptr;
  
      public:
          TestSpecParser( ITagAliasRegistry const& tagAliases );
  
          TestSpecParser& parse( std::string const& arg );
          TestSpec testSpec();
  
      private:
          bool visitChar( char c );
          void startNewMode( Mode mode );
          bool processNoneChar( char c );
          void processNameChar( char c );
          bool processOtherChar( char c );
          void endMode();
          void escape();
          bool isControlChar( char c ) const;
          void saveLastMode();
          void revertBackToLastMode();
          void addFilter();
          bool separate();
  
          // Handles common preprocessing of the pattern for name/tag patterns
          std::string preprocessPattern();
          // Adds the current pattern as a test name
          void addNamePattern();
          // Adds the current pattern as a tag
          void addTagPattern();
  
          inline void addCharToPattern(char c) {
              m_substring += c;
              m_patternName += c;
              m_realPatternPos++;
          }
  
      };
      TestSpec parseTestSpec( std::string const& arg );
  
  } // namespace Catch
  
  #ifdef __clang__
  #pragma clang diagnostic pop
  #endif
  
  // end catch_test_spec_parser.h
  // Libstdc++ doesn't like incomplete classes for unique_ptr
  
  #include <memory>
  #include <vector>
  #include <string>
  
  #ifndef CATCH_CONFIG_CONSOLE_WIDTH
  #define CATCH_CONFIG_CONSOLE_WIDTH 80
  #endif
  
  namespace Catch {
  
      struct IStream;
  
      struct ConfigData {
          bool listTests = false;
          bool listTags = false;
          bool listReporters = false;
          bool listTestNamesOnly = false;
  
          bool showSuccessfulTests = false;
          bool shouldDebugBreak = false;
          bool noThrow = false;
          bool showHelp = false;
          bool showInvisibles = false;
          bool filenamesAsTags = false;
          bool libIdentify = false;
  
          int abortAfter = -1;
          unsigned int rngSeed = 0;
  
          bool benchmarkNoAnalysis = false;
          unsigned int benchmarkSamples = 100;
          double benchmarkConfidenceInterval = 0.95;
          unsigned int benchmarkResamples = 100000;
  
          Verbosity verbosity = Verbosity::Normal;
          WarnAbout::What warnings = WarnAbout::Nothing;
          ShowDurations::OrNot showDurations = ShowDurations::DefaultForReporter;
          RunTests::InWhatOrder runOrder = RunTests::InDeclarationOrder;
          UseColour::YesOrNo useColour = UseColour::Auto;
          WaitForKeypress::When waitForKeypress = WaitForKeypress::Never;
  
          std::string outputFilename;
          std::string name;
          std::string processName;
  #ifndef CATCH_CONFIG_DEFAULT_REPORTER
  #define CATCH_CONFIG_DEFAULT_REPORTER "console"
  #endif
          std::string reporterName = CATCH_CONFIG_DEFAULT_REPORTER;
  #undef CATCH_CONFIG_DEFAULT_REPORTER
  
          std::vector<std::string> testsOrTags;
          std::vector<std::string> sectionsToRun;
      };
  
      class Config : public IConfig {
      public:
  
          Config() = default;
          Config( ConfigData const& data );
          virtual ~Config() = default;
  
          std::string const& getFilename() const;
  
          bool listTests() const;
          bool listTestNamesOnly() const;
          bool listTags() const;
          bool listReporters() const;
  
          std::string getProcessName() const;
          std::string const& getReporterName() const;
  
          std::vector<std::string> const& getTestsOrTags() const override;
          std::vector<std::string> const& getSectionsToRun() const override;
  
          TestSpec const& testSpec() const override;
          bool hasTestFilters() const override;
  
          bool showHelp() const;
  
          // IConfig interface
          bool allowThrows() const override;
          std::ostream& stream() const override;
          std::string name() const override;
          bool includeSuccessfulResults() const override;
          bool warnAboutMissingAssertions() const override;
          bool warnAboutNoTests() const override;
          ShowDurations::OrNot showDurations() const override;
          RunTests::InWhatOrder runOrder() const override;
          unsigned int rngSeed() const override;
          UseColour::YesOrNo useColour() const override;
          bool shouldDebugBreak() const override;
          int abortAfter() const override;
          bool showInvisibles() const override;
          Verbosity verbosity() const override;
          bool benchmarkNoAnalysis() const override;
          int benchmarkSamples() const override;
          double benchmarkConfidenceInterval() const override;
          unsigned int benchmarkResamples() const override;
  
      private:
  
          IStream const* openStream();
          ConfigData m_data;
  
          std::unique_ptr<IStream const> m_stream;
          TestSpec m_testSpec;
          bool m_hasTestFilters = false;
      };
  
  } // end namespace Catch
  
  // end catch_config.hpp
  // start catch_assertionresult.h
  
  #include <string>
  
  namespace Catch {
  
      struct AssertionResultData
      {
          AssertionResultData() = delete;
  
          AssertionResultData( ResultWas::OfType _resultType, LazyExpression const& _lazyExpression );
  
          std::string message;
          mutable std::string reconstructedExpression;
          LazyExpression lazyExpression;
          ResultWas::OfType resultType;
  
          std::string reconstructExpression() const;
      };
  
      class AssertionResult {
      public:
          AssertionResult() = delete;
          AssertionResult( AssertionInfo const& info, AssertionResultData const& data );
  
          bool isOk() const;
          bool succeeded() const;
          ResultWas::OfType getResultType() const;
          bool hasExpression() const;
          bool hasMessage() const;
          std::string getExpression() const;
          std::string getExpressionInMacro() const;
          bool hasExpandedExpression() const;
          std::string getExpandedExpression() const;
          std::string getMessage() const;
          SourceLineInfo getSourceInfo() const;
          StringRef getTestMacroName() const;
  
      //protected:
          AssertionInfo m_info;
          AssertionResultData m_resultData;
      };
  
  } // end namespace Catch
  
  // end catch_assertionresult.h
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  // start catch_estimate.hpp
  
   // Statistics estimates
  
  
  namespace Catch {
      namespace Benchmark {
          template <typename Duration>
          struct Estimate {
              Duration point;
              Duration lower_bound;
              Duration upper_bound;
              double confidence_interval;
  
              template <typename Duration2>
              operator Estimate<Duration2>() const {
                  return { point, lower_bound, upper_bound, confidence_interval };
              }
          };
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_estimate.hpp
  // start catch_outlier_classification.hpp
  
  // Outlier information
  
  namespace Catch {
      namespace Benchmark {
          struct OutlierClassification {
              int samples_seen = 0;
              int low_severe = 0;     // more than 3 times IQR below Q1
              int low_mild = 0;       // 1.5 to 3 times IQR below Q1
              int high_mild = 0;      // 1.5 to 3 times IQR above Q3
              int high_severe = 0;    // more than 3 times IQR above Q3
  
              int total() const {
                  return low_severe + low_mild + high_mild + high_severe;
              }
          };
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_outlier_classification.hpp
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
  #include <string>
  #include <iosfwd>
  #include <map>
  #include <set>
  #include <memory>
  #include <algorithm>
  
  namespace Catch {
  
      struct ReporterConfig {
          explicit ReporterConfig( IConfigPtr const& _fullConfig );
  
          ReporterConfig( IConfigPtr const& _fullConfig, std::ostream& _stream );
  
          std::ostream& stream() const;
          IConfigPtr fullConfig() const;
  
      private:
          std::ostream* m_stream;
          IConfigPtr m_fullConfig;
      };
  
      struct ReporterPreferences {
          bool shouldRedirectStdOut = false;
          bool shouldReportAllAssertions = false;
      };
  
      template<typename T>
      struct LazyStat : Option<T> {
          LazyStat& operator=( T const& _value ) {
              Option<T>::operator=( _value );
              used = false;
              return *this;
          }
          void reset() {
              Option<T>::reset();
              used = false;
          }
          bool used = false;
      };
  
      struct TestRunInfo {
          TestRunInfo( std::string const& _name );
          std::string name;
      };
      struct GroupInfo {
          GroupInfo(  std::string const& _name,
                      std::size_t _groupIndex,
                      std::size_t _groupsCount );
  
          std::string name;
          std::size_t groupIndex;
          std::size_t groupsCounts;
      };
  
      struct AssertionStats {
          AssertionStats( AssertionResult const& _assertionResult,
                          std::vector<MessageInfo> const& _infoMessages,
                          Totals const& _totals );
  
          AssertionStats( AssertionStats const& )              = default;
          AssertionStats( AssertionStats && )                  = default;
          AssertionStats& operator = ( AssertionStats const& ) = delete;
          AssertionStats& operator = ( AssertionStats && )     = delete;
          virtual ~AssertionStats();
  
          AssertionResult assertionResult;
          std::vector<MessageInfo> infoMessages;
          Totals totals;
      };
  
      struct SectionStats {
          SectionStats(   SectionInfo const& _sectionInfo,
                          Counts const& _assertions,
                          double _durationInSeconds,
                          bool _missingAssertions );
          SectionStats( SectionStats const& )              = default;
          SectionStats( SectionStats && )                  = default;
          SectionStats& operator = ( SectionStats const& ) = default;
          SectionStats& operator = ( SectionStats && )     = default;
          virtual ~SectionStats();
  
          SectionInfo sectionInfo;
          Counts assertions;
          double durationInSeconds;
          bool missingAssertions;
      };
  
      struct TestCaseStats {
          TestCaseStats(  TestCaseInfo const& _testInfo,
                          Totals const& _totals,
                          std::string const& _stdOut,
                          std::string const& _stdErr,
                          bool _aborting );
  
          TestCaseStats( TestCaseStats const& )              = default;
          TestCaseStats( TestCaseStats && )                  = default;
          TestCaseStats& operator = ( TestCaseStats const& ) = default;
          TestCaseStats& operator = ( TestCaseStats && )     = default;
          virtual ~TestCaseStats();
  
          TestCaseInfo testInfo;
          Totals totals;
          std::string stdOut;
          std::string stdErr;
          bool aborting;
      };
  
      struct TestGroupStats {
          TestGroupStats( GroupInfo const& _groupInfo,
                          Totals const& _totals,
                          bool _aborting );
          TestGroupStats( GroupInfo const& _groupInfo );
  
          TestGroupStats( TestGroupStats const& )              = default;
          TestGroupStats( TestGroupStats && )                  = default;
          TestGroupStats& operator = ( TestGroupStats const& ) = default;
          TestGroupStats& operator = ( TestGroupStats && )     = default;
          virtual ~TestGroupStats();
  
          GroupInfo groupInfo;
          Totals totals;
          bool aborting;
      };
  
      struct TestRunStats {
          TestRunStats(   TestRunInfo const& _runInfo,
                          Totals const& _totals,
                          bool _aborting );
  
          TestRunStats( TestRunStats const& )              = default;
          TestRunStats( TestRunStats && )                  = default;
          TestRunStats& operator = ( TestRunStats const& ) = default;
          TestRunStats& operator = ( TestRunStats && )     = default;
          virtual ~TestRunStats();
  
          TestRunInfo runInfo;
          Totals totals;
          bool aborting;
      };
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
      struct BenchmarkInfo {
          std::string name;
          double estimatedDuration;
          int iterations;
          int samples;
          unsigned int resamples;
          double clockResolution;
          double clockCost;
      };
  
      template <class Duration>
      struct BenchmarkStats {
          BenchmarkInfo info;
  
          std::vector<Duration> samples;
          Benchmark::Estimate<Duration> mean;
          Benchmark::Estimate<Duration> standardDeviation;
          Benchmark::OutlierClassification outliers;
          double outlierVariance;
  
          template <typename Duration2>
          operator BenchmarkStats<Duration2>() const {
              std::vector<Duration2> samples2;
              samples2.reserve(samples.size());
              std::transform(samples.begin(), samples.end(), std::back_inserter(samples2), [](Duration d) { return Duration2(d); });
              return {
                  info,
                  std::move(samples2),
                  mean,
                  standardDeviation,
                  outliers,
                  outlierVariance,
              };
          }
      };
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
      struct IStreamingReporter {
          virtual ~IStreamingReporter() = default;
  
          // Implementing class must also provide the following static methods:
          // static std::string getDescription();
          // static std::set<Verbosity> getSupportedVerbosities()
  
          virtual ReporterPreferences getPreferences() const = 0;
  
          virtual void noMatchingTestCases( std::string const& spec ) = 0;
  
          virtual void reportInvalidArguments(std::string const&) {}
  
          virtual void testRunStarting( TestRunInfo const& testRunInfo ) = 0;
          virtual void testGroupStarting( GroupInfo const& groupInfo ) = 0;
  
          virtual void testCaseStarting( TestCaseInfo const& testInfo ) = 0;
          virtual void sectionStarting( SectionInfo const& sectionInfo ) = 0;
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
          virtual void benchmarkPreparing( std::string const& ) {}
          virtual void benchmarkStarting( BenchmarkInfo const& ) {}
          virtual void benchmarkEnded( BenchmarkStats<> const& ) {}
          virtual void benchmarkFailed( std::string const& ) {}
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
          virtual void assertionStarting( AssertionInfo const& assertionInfo ) = 0;
  
          // The return value indicates if the messages buffer should be cleared:
          virtual bool assertionEnded( AssertionStats const& assertionStats ) = 0;
  
          virtual void sectionEnded( SectionStats const& sectionStats ) = 0;
          virtual void testCaseEnded( TestCaseStats const& testCaseStats ) = 0;
          virtual void testGroupEnded( TestGroupStats const& testGroupStats ) = 0;
          virtual void testRunEnded( TestRunStats const& testRunStats ) = 0;
  
          virtual void skipTest( TestCaseInfo const& testInfo ) = 0;
  
          // Default empty implementation provided
          virtual void fatalErrorEncountered( StringRef name );
  
          virtual bool isMulti() const;
      };
      using IStreamingReporterPtr = std::unique_ptr<IStreamingReporter>;
  
      struct IReporterFactory {
          virtual ~IReporterFactory();
          virtual IStreamingReporterPtr create( ReporterConfig const& config ) const = 0;
          virtual std::string getDescription() const = 0;
      };
      using IReporterFactoryPtr = std::shared_ptr<IReporterFactory>;
  
      struct IReporterRegistry {
          using FactoryMap = std::map<std::string, IReporterFactoryPtr>;
          using Listeners = std::vector<IReporterFactoryPtr>;
  
          virtual ~IReporterRegistry();
          virtual IStreamingReporterPtr create( std::string const& name, IConfigPtr const& config ) const = 0;
          virtual FactoryMap const& getFactories() const = 0;
          virtual Listeners const& getListeners() const = 0;
      };
  
  } // end namespace Catch
  
  // end catch_interfaces_reporter.h
  #include <algorithm>
  #include <cstring>
  #include <cfloat>
  #include <cstdio>
  #include <cassert>
  #include <memory>
  #include <ostream>
  
  namespace Catch {
      void prepareExpandedExpression(AssertionResult& result);
  
      // Returns double formatted as %.3f (format expected on output)
      std::string getFormattedDuration( double duration );
  
      std::string serializeFilters( std::vector<std::string> const& container );
  
      template<typename DerivedT>
      struct StreamingReporterBase : IStreamingReporter {
  
          StreamingReporterBase( ReporterConfig const& _config )
          :   m_config( _config.fullConfig() ),
              stream( _config.stream() )
          {
              m_reporterPrefs.shouldRedirectStdOut = false;
              if( !DerivedT::getSupportedVerbosities().count( m_config->verbosity() ) )
                  CATCH_ERROR( "Verbosity level not supported by this reporter" );
          }
  
          ReporterPreferences getPreferences() const override {
              return m_reporterPrefs;
          }
  
          static std::set<Verbosity> getSupportedVerbosities() {
              return { Verbosity::Normal };
          }
  
          ~StreamingReporterBase() override = default;
  
          void noMatchingTestCases(std::string const&) override {}
  
          void reportInvalidArguments(std::string const&) override {}
  
          void testRunStarting(TestRunInfo const& _testRunInfo) override {
              currentTestRunInfo = _testRunInfo;
          }
  
          void testGroupStarting(GroupInfo const& _groupInfo) override {
              currentGroupInfo = _groupInfo;
          }
  
          void testCaseStarting(TestCaseInfo const& _testInfo) override  {
              currentTestCaseInfo = _testInfo;
          }
          void sectionStarting(SectionInfo const& _sectionInfo) override {
              m_sectionStack.push_back(_sectionInfo);
          }
  
          void sectionEnded(SectionStats const& /* _sectionStats */) override {
              m_sectionStack.pop_back();
          }
          void testCaseEnded(TestCaseStats const& /* _testCaseStats */) override {
              currentTestCaseInfo.reset();
          }
          void testGroupEnded(TestGroupStats const& /* _testGroupStats */) override {
              currentGroupInfo.reset();
          }
          void testRunEnded(TestRunStats const& /* _testRunStats */) override {
              currentTestCaseInfo.reset();
              currentGroupInfo.reset();
              currentTestRunInfo.reset();
          }
  
          void skipTest(TestCaseInfo const&) override {
              // Don't do anything with this by default.
              // It can optionally be overridden in the derived class.
          }
  
          IConfigPtr m_config;
          std::ostream& stream;
  
          LazyStat<TestRunInfo> currentTestRunInfo;
          LazyStat<GroupInfo> currentGroupInfo;
          LazyStat<TestCaseInfo> currentTestCaseInfo;
  
          std::vector<SectionInfo> m_sectionStack;
          ReporterPreferences m_reporterPrefs;
      };
  
      template<typename DerivedT>
      struct CumulativeReporterBase : IStreamingReporter {
          template<typename T, typename ChildNodeT>
          struct Node {
              explicit Node( T const& _value ) : value( _value ) {}
              virtual ~Node() {}
  
              using ChildNodes = std::vector<std::shared_ptr<ChildNodeT>>;
              T value;
              ChildNodes children;
          };
          struct SectionNode {
              explicit SectionNode(SectionStats const& _stats) : stats(_stats) {}
              virtual ~SectionNode() = default;
  
              bool operator == (SectionNode const& other) const {
                  return stats.sectionInfo.lineInfo == other.stats.sectionInfo.lineInfo;
              }
              bool operator == (std::shared_ptr<SectionNode> const& other) const {
                  return operator==(*other);
              }
  
              SectionStats stats;
              using ChildSections = std::vector<std::shared_ptr<SectionNode>>;
              using Assertions = std::vector<AssertionStats>;
              ChildSections childSections;
              Assertions assertions;
              std::string stdOut;
              std::string stdErr;
          };
  
          struct BySectionInfo {
              BySectionInfo( SectionInfo const& other ) : m_other( other ) {}
              BySectionInfo( BySectionInfo const& other ) : m_other( other.m_other ) {}
              bool operator() (std::shared_ptr<SectionNode> const& node) const {
                  return ((node->stats.sectionInfo.name == m_other.name) &&
                          (node->stats.sectionInfo.lineInfo == m_other.lineInfo));
              }
              void operator=(BySectionInfo const&) = delete;
  
          private:
              SectionInfo const& m_other;
          };
  
          using TestCaseNode = Node<TestCaseStats, SectionNode>;
          using TestGroupNode = Node<TestGroupStats, TestCaseNode>;
          using TestRunNode = Node<TestRunStats, TestGroupNode>;
  
          CumulativeReporterBase( ReporterConfig const& _config )
          :   m_config( _config.fullConfig() ),
              stream( _config.stream() )
          {
              m_reporterPrefs.shouldRedirectStdOut = false;
              if( !DerivedT::getSupportedVerbosities().count( m_config->verbosity() ) )
                  CATCH_ERROR( "Verbosity level not supported by this reporter" );
          }
          ~CumulativeReporterBase() override = default;
  
          ReporterPreferences getPreferences() const override {
              return m_reporterPrefs;
          }
  
          static std::set<Verbosity> getSupportedVerbosities() {
              return { Verbosity::Normal };
          }
  
          void testRunStarting( TestRunInfo const& ) override {}
          void testGroupStarting( GroupInfo const& ) override {}
  
          void testCaseStarting( TestCaseInfo const& ) override {}
  
          void sectionStarting( SectionInfo const& sectionInfo ) override {
              SectionStats incompleteStats( sectionInfo, Counts(), 0, false );
              std::shared_ptr<SectionNode> node;
              if( m_sectionStack.empty() ) {
                  if( !m_rootSection )
                      m_rootSection = std::make_shared<SectionNode>( incompleteStats );
                  node = m_rootSection;
              }
              else {
                  SectionNode& parentNode = *m_sectionStack.back();
                  auto it =
                      std::find_if(   parentNode.childSections.begin(),
                                      parentNode.childSections.end(),
                                      BySectionInfo( sectionInfo ) );
                  if( it == parentNode.childSections.end() ) {
                      node = std::make_shared<SectionNode>( incompleteStats );
                      parentNode.childSections.push_back( node );
                  }
                  else
                      node = *it;
              }
              m_sectionStack.push_back( node );
              m_deepestSection = std::move(node);
          }
  
          void assertionStarting(AssertionInfo const&) override {}
  
          bool assertionEnded(AssertionStats const& assertionStats) override {
              assert(!m_sectionStack.empty());
              // AssertionResult holds a pointer to a temporary DecomposedExpression,
              // which getExpandedExpression() calls to build the expression string.
              // Our section stack copy of the assertionResult will likely outlive the
              // temporary, so it must be expanded or discarded now to avoid calling
              // a destroyed object later.
              prepareExpandedExpression(const_cast<AssertionResult&>( assertionStats.assertionResult ) );
              SectionNode& sectionNode = *m_sectionStack.back();
              sectionNode.assertions.push_back(assertionStats);
              return true;
          }
          void sectionEnded(SectionStats const& sectionStats) override {
              assert(!m_sectionStack.empty());
              SectionNode& node = *m_sectionStack.back();
              node.stats = sectionStats;
              m_sectionStack.pop_back();
          }
          void testCaseEnded(TestCaseStats const& testCaseStats) override {
              auto node = std::make_shared<TestCaseNode>(testCaseStats);
              assert(m_sectionStack.size() == 0);
              node->children.push_back(m_rootSection);
              m_testCases.push_back(node);
              m_rootSection.reset();
  
              assert(m_deepestSection);
              m_deepestSection->stdOut = testCaseStats.stdOut;
              m_deepestSection->stdErr = testCaseStats.stdErr;
          }
          void testGroupEnded(TestGroupStats const& testGroupStats) override {
              auto node = std::make_shared<TestGroupNode>(testGroupStats);
              node->children.swap(m_testCases);
              m_testGroups.push_back(node);
          }
          void testRunEnded(TestRunStats const& testRunStats) override {
              auto node = std::make_shared<TestRunNode>(testRunStats);
              node->children.swap(m_testGroups);
              m_testRuns.push_back(node);
              testRunEndedCumulative();
          }
          virtual void testRunEndedCumulative() = 0;
  
          void skipTest(TestCaseInfo const&) override {}
  
          IConfigPtr m_config;
          std::ostream& stream;
          std::vector<AssertionStats> m_assertions;
          std::vector<std::vector<std::shared_ptr<SectionNode>>> m_sections;
          std::vector<std::shared_ptr<TestCaseNode>> m_testCases;
          std::vector<std::shared_ptr<TestGroupNode>> m_testGroups;
  
          std::vector<std::shared_ptr<TestRunNode>> m_testRuns;
  
          std::shared_ptr<SectionNode> m_rootSection;
          std::shared_ptr<SectionNode> m_deepestSection;
          std::vector<std::shared_ptr<SectionNode>> m_sectionStack;
          ReporterPreferences m_reporterPrefs;
      };
  
      template<char C>
      char const* getLineOfChars() {
          static char line[CATCH_CONFIG_CONSOLE_WIDTH] = {0};
          if( !*line ) {
              std::memset( line, C, CATCH_CONFIG_CONSOLE_WIDTH-1 );
              line[CATCH_CONFIG_CONSOLE_WIDTH-1] = 0;
          }
          return line;
      }
  
      struct TestEventListenerBase : StreamingReporterBase<TestEventListenerBase> {
          TestEventListenerBase( ReporterConfig const& _config );
  
          static std::set<Verbosity> getSupportedVerbosities();
  
          void assertionStarting(AssertionInfo const&) override;
          bool assertionEnded(AssertionStats const&) override;
      };
  
  } // end namespace Catch
  
  // end catch_reporter_bases.hpp
  // start catch_console_colour.h
  
  namespace Catch {
  
      struct Colour {
          enum Code {
              None = 0,
  
              White,
              Red,
              Green,
              Blue,
              Cyan,
              Yellow,
              Grey,
  
              Bright = 0x10,
  
              BrightRed = Bright | Red,
              BrightGreen = Bright | Green,
              LightGrey = Bright | Grey,
              BrightWhite = Bright | White,
              BrightYellow = Bright | Yellow,
  
              // By intention
              FileName = LightGrey,
              Warning = BrightYellow,
              ResultError = BrightRed,
              ResultSuccess = BrightGreen,
              ResultExpectedFailure = Warning,
  
              Error = BrightRed,
              Success = Green,
  
              OriginalExpression = Cyan,
              ReconstructedExpression = BrightYellow,
  
              SecondaryText = LightGrey,
              Headers = White
          };
  
          // Use constructed object for RAII guard
          Colour( Code _colourCode );
          Colour( Colour&& other ) noexcept;
          Colour& operator=( Colour&& other ) noexcept;
          ~Colour();
  
          // Use static method for one-shot changes
          static void use( Code _colourCode );
  
      private:
          bool m_moved = false;
      };
  
      std::ostream& operator << ( std::ostream& os, Colour const& );
  
  } // end namespace Catch
  
  // end catch_console_colour.h
  // start catch_reporter_registrars.hpp
  
  
  namespace Catch {
  
      template<typename T>
      class ReporterRegistrar {
  
          class ReporterFactory : public IReporterFactory {
  
              IStreamingReporterPtr create( ReporterConfig const& config ) const override {
                  return std::unique_ptr<T>( new T( config ) );
              }
  
              std::string getDescription() const override {
                  return T::getDescription();
              }
          };
  
      public:
  
          explicit ReporterRegistrar( std::string const& name ) {
              getMutableRegistryHub().registerReporter( name, std::make_shared<ReporterFactory>() );
          }
      };
  
      template<typename T>
      class ListenerRegistrar {
  
          class ListenerFactory : public IReporterFactory {
  
              IStreamingReporterPtr create( ReporterConfig const& config ) const override {
                  return std::unique_ptr<T>( new T( config ) );
              }
              std::string getDescription() const override {
                  return std::string();
              }
          };
  
      public:
  
          ListenerRegistrar() {
              getMutableRegistryHub().registerListener( std::make_shared<ListenerFactory>() );
          }
      };
  }
  
  #if !defined(CATCH_CONFIG_DISABLE)
  
  #define CATCH_REGISTER_REPORTER( name, reporterType ) \
      CATCH_INTERNAL_START_WARNINGS_SUPPRESSION         \
      CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS          \
      namespace{ Catch::ReporterRegistrar<reporterType> catch_internal_RegistrarFor##reporterType( name ); } \
      CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  
  #define CATCH_REGISTER_LISTENER( listenerType ) \
      CATCH_INTERNAL_START_WARNINGS_SUPPRESSION   \
      CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS    \
      namespace{ Catch::ListenerRegistrar<listenerType> catch_internal_RegistrarFor##listenerType; } \
      CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  #else // CATCH_CONFIG_DISABLE
  
  #define CATCH_REGISTER_REPORTER(name, reporterType)
  #define CATCH_REGISTER_LISTENER(listenerType)
  
  #endif // CATCH_CONFIG_DISABLE
  
  // end catch_reporter_registrars.hpp
  // Allow users to base their work off existing reporters
  // start catch_reporter_compact.h
  
  namespace Catch {
  
      struct CompactReporter : StreamingReporterBase<CompactReporter> {
  
          using StreamingReporterBase::StreamingReporterBase;
  
          ~CompactReporter() override;
  
          static std::string getDescription();
  
          ReporterPreferences getPreferences() const override;
  
          void noMatchingTestCases(std::string const& spec) override;
  
          void assertionStarting(AssertionInfo const&) override;
  
          bool assertionEnded(AssertionStats const& _assertionStats) override;
  
          void sectionEnded(SectionStats const& _sectionStats) override;
  
          void testRunEnded(TestRunStats const& _testRunStats) override;
  
      };
  
  } // end namespace Catch
  
  // end catch_reporter_compact.h
  // start catch_reporter_console.h
  
  #if defined(_MSC_VER)
  #pragma warning(push)
  #pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
                                // Note that 4062 (not all labels are handled
                                // and default is missing) is enabled
  #endif
  
  namespace Catch {
      // Fwd decls
      struct SummaryColumn;
      class TablePrinter;
  
      struct ConsoleReporter : StreamingReporterBase<ConsoleReporter> {
          std::unique_ptr<TablePrinter> m_tablePrinter;
  
          ConsoleReporter(ReporterConfig const& config);
          ~ConsoleReporter() override;
          static std::string getDescription();
  
          void noMatchingTestCases(std::string const& spec) override;
  
          void reportInvalidArguments(std::string const&arg) override;
  
          void assertionStarting(AssertionInfo const&) override;
  
          bool assertionEnded(AssertionStats const& _assertionStats) override;
  
          void sectionStarting(SectionInfo const& _sectionInfo) override;
          void sectionEnded(SectionStats const& _sectionStats) override;
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
          void benchmarkPreparing(std::string const& name) override;
          void benchmarkStarting(BenchmarkInfo const& info) override;
          void benchmarkEnded(BenchmarkStats<> const& stats) override;
          void benchmarkFailed(std::string const& error) override;
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
          void testCaseEnded(TestCaseStats const& _testCaseStats) override;
          void testGroupEnded(TestGroupStats const& _testGroupStats) override;
          void testRunEnded(TestRunStats const& _testRunStats) override;
          void testRunStarting(TestRunInfo const& _testRunInfo) override;
      private:
  
          void lazyPrint();
  
          void lazyPrintWithoutClosingBenchmarkTable();
          void lazyPrintRunInfo();
          void lazyPrintGroupInfo();
          void printTestCaseAndSectionHeader();
  
          void printClosedHeader(std::string const& _name);
          void printOpenHeader(std::string const& _name);
  
          // if string has a : in first line will set indent to follow it on
          // subsequent lines
          void printHeaderString(std::string const& _string, std::size_t indent = 0);
  
          void printTotals(Totals const& totals);
          void printSummaryRow(std::string const& label, std::vector<SummaryColumn> const& cols, std::size_t row);
  
          void printTotalsDivider(Totals const& totals);
          void printSummaryDivider();
          void printTestFilters();
  
      private:
          bool m_headerPrinted = false;
      };
  
  } // end namespace Catch
  
  #if defined(_MSC_VER)
  #pragma warning(pop)
  #endif
  
  // end catch_reporter_console.h
  // start catch_reporter_junit.h
  
  // start catch_xmlwriter.h
  
  #include <vector>
  
  namespace Catch {
      enum class XmlFormatting {
          None = 0x00,
          Indent = 0x01,
          Newline = 0x02,
      };
  
      XmlFormatting operator | (XmlFormatting lhs, XmlFormatting rhs);
      XmlFormatting operator & (XmlFormatting lhs, XmlFormatting rhs);
  
      class XmlEncode {
      public:
          enum ForWhat { ForTextNodes, ForAttributes };
  
          XmlEncode( std::string const& str, ForWhat forWhat = ForTextNodes );
  
          void encodeTo( std::ostream& os ) const;
  
          friend std::ostream& operator << ( std::ostream& os, XmlEncode const& xmlEncode );
  
      private:
          std::string m_str;
          ForWhat m_forWhat;
      };
  
      class XmlWriter {
      public:
  
          class ScopedElement {
          public:
              ScopedElement( XmlWriter* writer, XmlFormatting fmt );
  
              ScopedElement( ScopedElement&& other ) noexcept;
              ScopedElement& operator=( ScopedElement&& other ) noexcept;
  
              ~ScopedElement();
  
              ScopedElement& writeText( std::string const& text, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent );
  
              template<typename T>
              ScopedElement& writeAttribute( std::string const& name, T const& attribute ) {
                  m_writer->writeAttribute( name, attribute );
                  return *this;
              }
  
          private:
              mutable XmlWriter* m_writer = nullptr;
              XmlFormatting m_fmt;
          };
  
          XmlWriter( std::ostream& os = Catch::cout() );
          ~XmlWriter();
  
          XmlWriter( XmlWriter const& ) = delete;
          XmlWriter& operator=( XmlWriter const& ) = delete;
  
          XmlWriter& startElement( std::string const& name, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);
  
          ScopedElement scopedElement( std::string const& name, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);
  
          XmlWriter& endElement(XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);
  
          XmlWriter& writeAttribute( std::string const& name, std::string const& attribute );
  
          XmlWriter& writeAttribute( std::string const& name, bool attribute );
  
          template<typename T>
          XmlWriter& writeAttribute( std::string const& name, T const& attribute ) {
              ReusableStringStream rss;
              rss << attribute;
              return writeAttribute( name, rss.str() );
          }
  
          XmlWriter& writeText( std::string const& text, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);
  
          XmlWriter& writeComment(std::string const& text, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);
  
          void writeStylesheetRef( std::string const& url );
  
          XmlWriter& writeBlankLine();
  
          void ensureTagClosed();
  
      private:
  
          void applyFormatting(XmlFormatting fmt);
  
          void writeDeclaration();
  
          void newlineIfNecessary();
  
          bool m_tagIsOpen = false;
          bool m_needsNewline = false;
          std::vector<std::string> m_tags;
          std::string m_indent;
          std::ostream& m_os;
      };
  
  }
  
  // end catch_xmlwriter.h
  namespace Catch {
  
      class JunitReporter : public CumulativeReporterBase<JunitReporter> {
      public:
          JunitReporter(ReporterConfig const& _config);
  
          ~JunitReporter() override;
  
          static std::string getDescription();
  
          void noMatchingTestCases(std::string const& /*spec*/) override;
  
          void testRunStarting(TestRunInfo const& runInfo) override;
  
          void testGroupStarting(GroupInfo const& groupInfo) override;
  
          void testCaseStarting(TestCaseInfo const& testCaseInfo) override;
          bool assertionEnded(AssertionStats const& assertionStats) override;
  
          void testCaseEnded(TestCaseStats const& testCaseStats) override;
  
          void testGroupEnded(TestGroupStats const& testGroupStats) override;
  
          void testRunEndedCumulative() override;
  
          void writeGroup(TestGroupNode const& groupNode, double suiteTime);
  
          void writeTestCase(TestCaseNode const& testCaseNode);
  
          void writeSection(std::string const& className,
                            std::string const& rootName,
                            SectionNode const& sectionNode);
  
          void writeAssertions(SectionNode const& sectionNode);
          void writeAssertion(AssertionStats const& stats);
  
          XmlWriter xml;
          Timer suiteTimer;
          std::string stdOutForSuite;
          std::string stdErrForSuite;
          unsigned int unexpectedExceptions = 0;
          bool m_okToFail = false;
      };
  
  } // end namespace Catch
  
  // end catch_reporter_junit.h
  // start catch_reporter_xml.h
  
  namespace Catch {
      class XmlReporter : public StreamingReporterBase<XmlReporter> {
      public:
          XmlReporter(ReporterConfig const& _config);
  
          ~XmlReporter() override;
  
          static std::string getDescription();
  
          virtual std::string getStylesheetRef() const;
  
          void writeSourceInfo(SourceLineInfo const& sourceInfo);
  
      public: // StreamingReporterBase
  
          void noMatchingTestCases(std::string const& s) override;
  
          void testRunStarting(TestRunInfo const& testInfo) override;
  
          void testGroupStarting(GroupInfo const& groupInfo) override;
  
          void testCaseStarting(TestCaseInfo const& testInfo) override;
  
          void sectionStarting(SectionInfo const& sectionInfo) override;
  
          void assertionStarting(AssertionInfo const&) override;
  
          bool assertionEnded(AssertionStats const& assertionStats) override;
  
          void sectionEnded(SectionStats const& sectionStats) override;
  
          void testCaseEnded(TestCaseStats const& testCaseStats) override;
  
          void testGroupEnded(TestGroupStats const& testGroupStats) override;
  
          void testRunEnded(TestRunStats const& testRunStats) override;
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
          void benchmarkPreparing(std::string const& name) override;
          void benchmarkStarting(BenchmarkInfo const&) override;
          void benchmarkEnded(BenchmarkStats<> const&) override;
          void benchmarkFailed(std::string const&) override;
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
      private:
          Timer m_testCaseTimer;
          XmlWriter m_xml;
          int m_sectionDepth = 0;
      };
  
  } // end namespace Catch
  
  // end catch_reporter_xml.h
  
  // end catch_external_interfaces.h
  #endif
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  // start catch_benchmarking_all.hpp
  
  // A proxy header that includes all of the benchmarking headers to allow
  // concise include of the benchmarking features. You should prefer the
  // individual includes in standard use.
  
  // start catch_benchmark.hpp
  
   // Benchmark
  
  // start catch_chronometer.hpp
  
  // User-facing chronometer
  
  
  // start catch_clock.hpp
  
  // Clocks
  
  
  #include <chrono>
  #include <ratio>
  
  namespace Catch {
      namespace Benchmark {
          template <typename Clock>
          using ClockDuration = typename Clock::duration;
          template <typename Clock>
          using FloatDuration = std::chrono::duration<double, typename Clock::period>;
  
          template <typename Clock>
          using TimePoint = typename Clock::time_point;
  
          using default_clock = std::chrono::steady_clock;
  
          template <typename Clock>
          struct now {
              TimePoint<Clock> operator()() const {
                  return Clock::now();
              }
          };
  
          using fp_seconds = std::chrono::duration<double, std::ratio<1>>;
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_clock.hpp
  // start catch_optimizer.hpp
  
   // Hinting the optimizer
  
  
  #if defined(_MSC_VER)
  #   include <atomic> // atomic_thread_fence
  #endif
  
  namespace Catch {
      namespace Benchmark {
  #if defined(__GNUC__) || defined(__clang__)
          template <typename T>
          inline void keep_memory(T* p) {
              asm volatile("" : : "g"(p) : "memory");
          }
          inline void keep_memory() {
              asm volatile("" : : : "memory");
          }
  
          namespace Detail {
              inline void optimizer_barrier() { keep_memory(); }
          } // namespace Detail
  #elif defined(_MSC_VER)
  
  #pragma optimize("", off)
          template <typename T>
          inline void keep_memory(T* p) {
              // thanks @milleniumbug
              *reinterpret_cast<char volatile*>(p) = *reinterpret_cast<char const volatile*>(p);
          }
          // TODO equivalent keep_memory()
  #pragma optimize("", on)
  
          namespace Detail {
              inline void optimizer_barrier() {
                  std::atomic_thread_fence(std::memory_order_seq_cst);
              }
          } // namespace Detail
  
  #endif
  
          template <typename T>
          inline void deoptimize_value(T&& x) {
              keep_memory(&x);
          }
  
          template <typename Fn, typename... Args>
          inline auto invoke_deoptimized(Fn&& fn, Args&&... args) -> typename std::enable_if<!std::is_same<void, decltype(fn(args...))>::value>::type {
              deoptimize_value(std::forward<Fn>(fn) (std::forward<Args...>(args...)));
          }
  
          template <typename Fn, typename... Args>
          inline auto invoke_deoptimized(Fn&& fn, Args&&... args) -> typename std::enable_if<std::is_same<void, decltype(fn(args...))>::value>::type {
              std::forward<Fn>(fn) (std::forward<Args...>(args...));
          }
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_optimizer.hpp
  // start catch_complete_invoke.hpp
  
  // Invoke with a special case for void
  
  
  #include <type_traits>
  #include <utility>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              template <typename T>
              struct CompleteType { using type = T; };
              template <>
              struct CompleteType<void> { struct type {}; };
  
              template <typename T>
              using CompleteType_t = typename CompleteType<T>::type;
  
              template <typename Result>
              struct CompleteInvoker {
                  template <typename Fun, typename... Args>
                  static Result invoke(Fun&& fun, Args&&... args) {
                      return std::forward<Fun>(fun)(std::forward<Args>(args)...);
                  }
              };
              template <>
              struct CompleteInvoker<void> {
                  template <typename Fun, typename... Args>
                  static CompleteType_t<void> invoke(Fun&& fun, Args&&... args) {
                      std::forward<Fun>(fun)(std::forward<Args>(args)...);
                      return {};
                  }
              };
              template <typename Sig>
              using ResultOf_t = typename std::result_of<Sig>::type;
  
              // invoke and not return void :(
              template <typename Fun, typename... Args>
              CompleteType_t<ResultOf_t<Fun(Args...)>> complete_invoke(Fun&& fun, Args&&... args) {
                  return CompleteInvoker<ResultOf_t<Fun(Args...)>>::invoke(std::forward<Fun>(fun), std::forward<Args>(args)...);
              }
  
              const std::string benchmarkErrorMsg = "a benchmark failed to run successfully";
          } // namespace Detail
  
          template <typename Fun>
          Detail::CompleteType_t<Detail::ResultOf_t<Fun()>> user_code(Fun&& fun) {
              CATCH_TRY{
                  return Detail::complete_invoke(std::forward<Fun>(fun));
              } CATCH_CATCH_ALL{
                  getResultCapture().benchmarkFailed(translateActiveException());
                  CATCH_RUNTIME_ERROR(Detail::benchmarkErrorMsg);
              }
          }
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_complete_invoke.hpp
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              struct ChronometerConcept {
                  virtual void start() = 0;
                  virtual void finish() = 0;
                  virtual ~ChronometerConcept() = default;
              };
              template <typename Clock>
              struct ChronometerModel final : public ChronometerConcept {
                  void start() override { started = Clock::now(); }
                  void finish() override { finished = Clock::now(); }
  
                  ClockDuration<Clock> elapsed() const { return finished - started; }
  
                  TimePoint<Clock> started;
                  TimePoint<Clock> finished;
              };
          } // namespace Detail
  
          struct Chronometer {
          public:
              template <typename Fun>
              void measure(Fun&& fun) { measure(std::forward<Fun>(fun), is_callable<Fun(int)>()); }
  
              int runs() const { return k; }
  
              Chronometer(Detail::ChronometerConcept& meter, int k)
                  : impl(&meter)
                  , k(k) {}
  
          private:
              template <typename Fun>
              void measure(Fun&& fun, std::false_type) {
                  measure([&fun](int) { return fun(); }, std::true_type());
              }
  
              template <typename Fun>
              void measure(Fun&& fun, std::true_type) {
                  Detail::optimizer_barrier();
                  impl->start();
                  for (int i = 0; i < k; ++i) invoke_deoptimized(fun, i);
                  impl->finish();
                  Detail::optimizer_barrier();
              }
  
              Detail::ChronometerConcept* impl;
              int k;
          };
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_chronometer.hpp
  // start catch_environment.hpp
  
  // Environment information
  
  
  namespace Catch {
      namespace Benchmark {
          template <typename Duration>
          struct EnvironmentEstimate {
              Duration mean;
              OutlierClassification outliers;
  
              template <typename Duration2>
              operator EnvironmentEstimate<Duration2>() const {
                  return { mean, outliers };
              }
          };
          template <typename Clock>
          struct Environment {
              using clock_type = Clock;
              EnvironmentEstimate<FloatDuration<Clock>> clock_resolution;
              EnvironmentEstimate<FloatDuration<Clock>> clock_cost;
          };
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_environment.hpp
  // start catch_execution_plan.hpp
  
   // Execution plan
  
  
  // start catch_benchmark_function.hpp
  
   // Dumb std::function implementation for consistent call overhead
  
  
  #include <cassert>
  #include <type_traits>
  #include <utility>
  #include <memory>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              template <typename T>
              using Decay = typename std::decay<T>::type;
              template <typename T, typename U>
              struct is_related
                  : std::is_same<Decay<T>, Decay<U>> {};
  
              /// We need to reinvent std::function because every piece of code that might add overhead
              /// in a measurement context needs to have consistent performance characteristics so that we
              /// can account for it in the measurement.
              /// Implementations of std::function with optimizations that aren't always applicable, like
              /// small buffer optimizations, are not uncommon.
              /// This is effectively an implementation of std::function without any such optimizations;
              /// it may be slow, but it is consistently slow.
              struct BenchmarkFunction {
              private:
                  struct callable {
                      virtual void call(Chronometer meter) const = 0;
                      virtual callable* clone() const = 0;
                      virtual ~callable() = default;
                  };
                  template <typename Fun>
                  struct model : public callable {
                      model(Fun&& fun) : fun(std::move(fun)) {}
                      model(Fun const& fun) : fun(fun) {}
  
                      model<Fun>* clone() const override { return new model<Fun>(*this); }
  
                      void call(Chronometer meter) const override {
                          call(meter, is_callable<Fun(Chronometer)>());
                      }
                      void call(Chronometer meter, std::true_type) const {
                          fun(meter);
                      }
                      void call(Chronometer meter, std::false_type) const {
                          meter.measure(fun);
                      }
  
                      Fun fun;
                  };
  
                  struct do_nothing { void operator()() const {} };
  
                  template <typename T>
                  BenchmarkFunction(model<T>* c) : f(c) {}
  
              public:
                  BenchmarkFunction()
                      : f(new model<do_nothing>{ {} }) {}
  
                  template <typename Fun,
                      typename std::enable_if<!is_related<Fun, BenchmarkFunction>::value, int>::type = 0>
                      BenchmarkFunction(Fun&& fun)
                      : f(new model<typename std::decay<Fun>::type>(std::forward<Fun>(fun))) {}
  
                  BenchmarkFunction(BenchmarkFunction&& that)
                      : f(std::move(that.f)) {}
  
                  BenchmarkFunction(BenchmarkFunction const& that)
                      : f(that.f->clone()) {}
  
                  BenchmarkFunction& operator=(BenchmarkFunction&& that) {
                      f = std::move(that.f);
                      return *this;
                  }
  
                  BenchmarkFunction& operator=(BenchmarkFunction const& that) {
                      f.reset(that.f->clone());
                      return *this;
                  }
  
                  void operator()(Chronometer meter) const { f->call(meter); }
  
              private:
                  std::unique_ptr<callable> f;
              };
          } // namespace Detail
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_benchmark_function.hpp
  // start catch_repeat.hpp
  
  // repeat algorithm
  
  
  #include <type_traits>
  #include <utility>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              template <typename Fun>
              struct repeater {
                  void operator()(int k) const {
                      for (int i = 0; i < k; ++i) {
                          fun();
                      }
                  }
                  Fun fun;
              };
              template <typename Fun>
              repeater<typename std::decay<Fun>::type> repeat(Fun&& fun) {
                  return { std::forward<Fun>(fun) };
              }
          } // namespace Detail
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_repeat.hpp
  // start catch_run_for_at_least.hpp
  
  // Run a function for a minimum amount of time
  
  
  // start catch_measure.hpp
  
  // Measure
  
  
  // start catch_timing.hpp
  
  // Timing
  
  
  #include <tuple>
  #include <type_traits>
  
  namespace Catch {
      namespace Benchmark {
          template <typename Duration, typename Result>
          struct Timing {
              Duration elapsed;
              Result result;
              int iterations;
          };
          template <typename Clock, typename Sig>
          using TimingOf = Timing<ClockDuration<Clock>, Detail::CompleteType_t<Detail::ResultOf_t<Sig>>>;
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_timing.hpp
  #include <utility>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              template <typename Clock, typename Fun, typename... Args>
              TimingOf<Clock, Fun(Args...)> measure(Fun&& fun, Args&&... args) {
                  auto start = Clock::now();
                  auto&& r = Detail::complete_invoke(fun, std::forward<Args>(args)...);
                  auto end = Clock::now();
                  auto delta = end - start;
                  return { delta, std::forward<decltype(r)>(r), 1 };
              }
          } // namespace Detail
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_measure.hpp
  #include <utility>
  #include <type_traits>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              template <typename Clock, typename Fun>
              TimingOf<Clock, Fun(int)> measure_one(Fun&& fun, int iters, std::false_type) {
                  return Detail::measure<Clock>(fun, iters);
              }
              template <typename Clock, typename Fun>
              TimingOf<Clock, Fun(Chronometer)> measure_one(Fun&& fun, int iters, std::true_type) {
                  Detail::ChronometerModel<Clock> meter;
                  auto&& result = Detail::complete_invoke(fun, Chronometer(meter, iters));
  
                  return { meter.elapsed(), std::move(result), iters };
              }
  
              template <typename Clock, typename Fun>
              using run_for_at_least_argument_t = typename std::conditional<is_callable<Fun(Chronometer)>::value, Chronometer, int>::type;
  
              struct optimized_away_error : std::exception {
                  const char* what() const noexcept override {
                      return "could not measure benchmark, maybe it was optimized away";
                  }
              };
  
              template <typename Clock, typename Fun>
              TimingOf<Clock, Fun(run_for_at_least_argument_t<Clock, Fun>)> run_for_at_least(ClockDuration<Clock> how_long, int seed, Fun&& fun) {
                  auto iters = seed;
                  while (iters < (1 << 30)) {
                      auto&& Timing = measure_one<Clock>(fun, iters, is_callable<Fun(Chronometer)>());
  
                      if (Timing.elapsed >= how_long) {
                          return { Timing.elapsed, std::move(Timing.result), iters };
                      }
                      iters *= 2;
                  }
                  throw optimized_away_error{};
              }
          } // namespace Detail
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_run_for_at_least.hpp
  #include <algorithm>
  
  namespace Catch {
      namespace Benchmark {
          template <typename Duration>
          struct ExecutionPlan {
              int iterations_per_sample;
              Duration estimated_duration;
              Detail::BenchmarkFunction benchmark;
              Duration warmup_time;
              int warmup_iterations;
  
              template <typename Duration2>
              operator ExecutionPlan<Duration2>() const {
                  return { iterations_per_sample, estimated_duration, benchmark, warmup_time, warmup_iterations };
              }
  
              template <typename Clock>
              std::vector<FloatDuration<Clock>> run(const IConfig &cfg, Environment<FloatDuration<Clock>> env) const {
                  // warmup a bit
                  Detail::run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(warmup_time), warmup_iterations, Detail::repeat(now<Clock>{}));
  
                  std::vector<FloatDuration<Clock>> times;
                  times.reserve(cfg.benchmarkSamples());
                  std::generate_n(std::back_inserter(times), cfg.benchmarkSamples(), [this, env] {
                      Detail::ChronometerModel<Clock> model;
                      this->benchmark(Chronometer(model, iterations_per_sample));
                      auto sample_time = model.elapsed() - env.clock_cost.mean;
                      if (sample_time < FloatDuration<Clock>::zero()) sample_time = FloatDuration<Clock>::zero();
                      return sample_time / iterations_per_sample;
                  });
                  return times;
              }
          };
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_execution_plan.hpp
  // start catch_estimate_clock.hpp
  
   // Environment measurement
  
  
  // start catch_stats.hpp
  
  // Statistical analysis tools
  
  
  #include <algorithm>
  #include <functional>
  #include <vector>
  #include <numeric>
  #include <tuple>
  #include <cmath>
  #include <utility>
  #include <cstddef>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              using sample = std::vector<double>;
  
              double weighted_average_quantile(int k, int q, std::vector<double>::iterator first, std::vector<double>::iterator last);
  
              template <typename Iterator>
              OutlierClassification classify_outliers(Iterator first, Iterator last) {
                  std::vector<double> copy(first, last);
  
                  auto q1 = weighted_average_quantile(1, 4, copy.begin(), copy.end());
                  auto q3 = weighted_average_quantile(3, 4, copy.begin(), copy.end());
                  auto iqr = q3 - q1;
                  auto los = q1 - (iqr * 3.);
                  auto lom = q1 - (iqr * 1.5);
                  auto him = q3 + (iqr * 1.5);
                  auto his = q3 + (iqr * 3.);
  
                  OutlierClassification o;
                  for (; first != last; ++first) {
                      auto&& t = *first;
                      if (t < los) ++o.low_severe;
                      else if (t < lom) ++o.low_mild;
                      else if (t > his) ++o.high_severe;
                      else if (t > him) ++o.high_mild;
                      ++o.samples_seen;
                  }
                  return o;
              }
  
              template <typename Iterator>
              double mean(Iterator first, Iterator last) {
                  auto count = last - first;
                  double sum = std::accumulate(first, last, 0.);
                  return sum / count;
              }
  
              template <typename URng, typename Iterator, typename Estimator>
              sample resample(URng& rng, int resamples, Iterator first, Iterator last, Estimator& estimator) {
                  auto n = last - first;
                  std::uniform_int_distribution<decltype(n)> dist(0, n - 1);
  
                  sample out;
                  out.reserve(resamples);
                  std::generate_n(std::back_inserter(out), resamples, [n, first, &estimator, &dist, &rng] {
                      std::vector<double> resampled;
                      resampled.reserve(n);
                      std::generate_n(std::back_inserter(resampled), n, [first, &dist, &rng] { return first[dist(rng)]; });
                      return estimator(resampled.begin(), resampled.end());
                  });
                  std::sort(out.begin(), out.end());
                  return out;
              }
  
              template <typename Estimator, typename Iterator>
              sample jackknife(Estimator&& estimator, Iterator first, Iterator last) {
                  auto n = last - first;
                  auto second = std::next(first);
                  sample results;
                  results.reserve(n);
  
                  for (auto it = first; it != last; ++it) {
                      std::iter_swap(it, first);
                      results.push_back(estimator(second, last));
                  }
  
                  return results;
              }
  
              inline double normal_cdf(double x) {
                  return std::erfc(-x / std::sqrt(2.0)) / 2.0;
              }
  
              double erfc_inv(double x);
  
              double normal_quantile(double p);
  
              template <typename Iterator, typename Estimator>
              Estimate<double> bootstrap(double confidence_level, Iterator first, Iterator last, sample const& resample, Estimator&& estimator) {
                  auto n_samples = last - first;
  
                  double point = estimator(first, last);
                  // Degenerate case with a single sample
                  if (n_samples == 1) return { point, point, point, confidence_level };
  
                  sample jack = jackknife(estimator, first, last);
                  double jack_mean = mean(jack.begin(), jack.end());
                  double sum_squares, sum_cubes;
                  std::tie(sum_squares, sum_cubes) = std::accumulate(jack.begin(), jack.end(), std::make_pair(0., 0.), [jack_mean](std::pair<double, double> sqcb, double x) -> std::pair<double, double> {
                      auto d = jack_mean - x;
                      auto d2 = d * d;
                      auto d3 = d2 * d;
                      return { sqcb.first + d2, sqcb.second + d3 };
                  });
  
                  double accel = sum_cubes / (6 * std::pow(sum_squares, 1.5));
                  int n = static_cast<int>(resample.size());
                  double prob_n = std::count_if(resample.begin(), resample.end(), [point](double x) { return x < point; }) / (double)n;
                  // degenerate case with uniform samples
                  if (prob_n == 0) return { point, point, point, confidence_level };
  
                  double bias = normal_quantile(prob_n);
                  double z1 = normal_quantile((1. - confidence_level) / 2.);
  
                  auto cumn = [n](double x) -> int {
                      return std::lround(normal_cdf(x) * n); };
                  auto a = [bias, accel](double b) { return bias + b / (1. - accel * b); };
                  double b1 = bias + z1;
                  double b2 = bias - z1;
                  double a1 = a(b1);
                  double a2 = a(b2);
                  auto lo = std::max(cumn(a1), 0);
                  auto hi = std::min(cumn(a2), n - 1);
  
                  return { point, resample[lo], resample[hi], confidence_level };
              }
  
              double outlier_variance(Estimate<double> mean, Estimate<double> stddev, int n);
  
              struct bootstrap_analysis {
                  Estimate<double> mean;
                  Estimate<double> standard_deviation;
                  double outlier_variance;
              };
  
              bootstrap_analysis analyse_samples(double confidence_level, int n_resamples, std::vector<double>::iterator first, std::vector<double>::iterator last);
          } // namespace Detail
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_stats.hpp
  #include <algorithm>
  #include <iterator>
  #include <tuple>
  #include <vector>
  #include <cmath>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              template <typename Clock>
              std::vector<double> resolution(int k) {
                  std::vector<TimePoint<Clock>> times;
                  times.reserve(k + 1);
                  std::generate_n(std::back_inserter(times), k + 1, now<Clock>{});
  
                  std::vector<double> deltas;
                  deltas.reserve(k);
                  std::transform(std::next(times.begin()), times.end(), times.begin(),
                      std::back_inserter(deltas),
                      [](TimePoint<Clock> a, TimePoint<Clock> b) { return static_cast<double>((a - b).count()); });
  
                  return deltas;
              }
  
              const auto warmup_iterations = 10000;
              const auto warmup_time = std::chrono::milliseconds(100);
              const auto minimum_ticks = 1000;
              const auto warmup_seed = 10000;
              const auto clock_resolution_estimation_time = std::chrono::milliseconds(500);
              const auto clock_cost_estimation_time_limit = std::chrono::seconds(1);
              const auto clock_cost_estimation_tick_limit = 100000;
              const auto clock_cost_estimation_time = std::chrono::milliseconds(10);
              const auto clock_cost_estimation_iterations = 10000;
  
              template <typename Clock>
              int warmup() {
                  return run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(warmup_time), warmup_seed, &resolution<Clock>)
                      .iterations;
              }
              template <typename Clock>
              EnvironmentEstimate<FloatDuration<Clock>> estimate_clock_resolution(int iterations) {
                  auto r = run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(clock_resolution_estimation_time), iterations, &resolution<Clock>)
                      .result;
                  return {
                      FloatDuration<Clock>(mean(r.begin(), r.end())),
                      classify_outliers(r.begin(), r.end()),
                  };
              }
              template <typename Clock>
              EnvironmentEstimate<FloatDuration<Clock>> estimate_clock_cost(FloatDuration<Clock> resolution) {
                  auto time_limit = std::min(resolution * clock_cost_estimation_tick_limit, FloatDuration<Clock>(clock_cost_estimation_time_limit));
                  auto time_clock = [](int k) {
                      return Detail::measure<Clock>([k] {
                          for (int i = 0; i < k; ++i) {
                              volatile auto ignored = Clock::now();
                              (void)ignored;
                          }
                      }).elapsed;
                  };
                  time_clock(1);
                  int iters = clock_cost_estimation_iterations;
                  auto&& r = run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(clock_cost_estimation_time), iters, time_clock);
                  std::vector<double> times;
                  int nsamples = static_cast<int>(std::ceil(time_limit / r.elapsed));
                  times.reserve(nsamples);
                  std::generate_n(std::back_inserter(times), nsamples, [time_clock, &r] {
                      return static_cast<double>((time_clock(r.iterations) / r.iterations).count());
                  });
                  return {
                      FloatDuration<Clock>(mean(times.begin(), times.end())),
                      classify_outliers(times.begin(), times.end()),
                  };
              }
  
              template <typename Clock>
              Environment<FloatDuration<Clock>> measure_environment() {
                  static Environment<FloatDuration<Clock>>* env = nullptr;
                  if (env) {
                      return *env;
                  }
  
                  auto iters = Detail::warmup<Clock>();
                  auto resolution = Detail::estimate_clock_resolution<Clock>(iters);
                  auto cost = Detail::estimate_clock_cost<Clock>(resolution.mean);
  
                  env = new Environment<FloatDuration<Clock>>{ resolution, cost };
                  return *env;
              }
          } // namespace Detail
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_estimate_clock.hpp
  // start catch_analyse.hpp
  
   // Run and analyse one benchmark
  
  
  // start catch_sample_analysis.hpp
  
  // Benchmark results
  
  
  #include <algorithm>
  #include <vector>
  #include <string>
  #include <iterator>
  
  namespace Catch {
      namespace Benchmark {
          template <typename Duration>
          struct SampleAnalysis {
              std::vector<Duration> samples;
              Estimate<Duration> mean;
              Estimate<Duration> standard_deviation;
              OutlierClassification outliers;
              double outlier_variance;
  
              template <typename Duration2>
              operator SampleAnalysis<Duration2>() const {
                  std::vector<Duration2> samples2;
                  samples2.reserve(samples.size());
                  std::transform(samples.begin(), samples.end(), std::back_inserter(samples2), [](Duration d) { return Duration2(d); });
                  return {
                      std::move(samples2),
                      mean,
                      standard_deviation,
                      outliers,
                      outlier_variance,
                  };
              }
          };
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_sample_analysis.hpp
  #include <algorithm>
  #include <iterator>
  #include <vector>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              template <typename Duration, typename Iterator>
              SampleAnalysis<Duration> analyse(const IConfig &cfg, Environment<Duration>, Iterator first, Iterator last) {
                  if (!cfg.benchmarkNoAnalysis()) {
                      std::vector<double> samples;
                      samples.reserve(last - first);
                      std::transform(first, last, std::back_inserter(samples), [](Duration d) { return d.count(); });
  
                      auto analysis = Catch::Benchmark::Detail::analyse_samples(cfg.benchmarkConfidenceInterval(), cfg.benchmarkResamples(), samples.begin(), samples.end());
                      auto outliers = Catch::Benchmark::Detail::classify_outliers(samples.begin(), samples.end());
  
                      auto wrap_estimate = [](Estimate<double> e) {
                          return Estimate<Duration> {
                              Duration(e.point),
                                  Duration(e.lower_bound),
                                  Duration(e.upper_bound),
                                  e.confidence_interval,
                          };
                      };
                      std::vector<Duration> samples2;
                      samples2.reserve(samples.size());
                      std::transform(samples.begin(), samples.end(), std::back_inserter(samples2), [](double d) { return Duration(d); });
                      return {
                          std::move(samples2),
                          wrap_estimate(analysis.mean),
                          wrap_estimate(analysis.standard_deviation),
                          outliers,
                          analysis.outlier_variance,
                      };
                  } else {
                      std::vector<Duration> samples;
                      samples.reserve(last - first);
  
                      Duration mean = Duration(0);
                      int i = 0;
                      for (auto it = first; it < last; ++it, ++i) {
                          samples.push_back(Duration(*it));
                          mean += Duration(*it);
                      }
                      mean /= i;
  
                      return {
                          std::move(samples),
                          Estimate<Duration>{mean, mean, mean, 0.0},
                          Estimate<Duration>{Duration(0), Duration(0), Duration(0), 0.0},
                          OutlierClassification{},
                          0.0
                      };
                  }
              }
          } // namespace Detail
      } // namespace Benchmark
  } // namespace Catch
  
  // end catch_analyse.hpp
  #include <algorithm>
  #include <functional>
  #include <string>
  #include <vector>
  #include <cmath>
  
  namespace Catch {
      namespace Benchmark {
          struct Benchmark {
              Benchmark(std::string &&name)
                  : name(std::move(name)) {}
  
              template <class FUN>
              Benchmark(std::string &&name, FUN &&func)
                  : fun(std::move(func)), name(std::move(name)) {}
  
              template <typename Clock>
              ExecutionPlan<FloatDuration<Clock>> prepare(const IConfig &cfg, Environment<FloatDuration<Clock>> env) const {
                  auto min_time = env.clock_resolution.mean * Detail::minimum_ticks;
                  auto run_time = std::max(min_time, std::chrono::duration_cast<decltype(min_time)>(Detail::warmup_time));
                  auto&& test = Detail::run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(run_time), 1, fun);
                  int new_iters = static_cast<int>(std::ceil(min_time * test.iterations / test.elapsed));
                  return { new_iters, test.elapsed / test.iterations * new_iters * cfg.benchmarkSamples(), fun, std::chrono::duration_cast<FloatDuration<Clock>>(Detail::warmup_time), Detail::warmup_iterations };
              }
  
              template <typename Clock = default_clock>
              void run() {
                  IConfigPtr cfg = getCurrentContext().getConfig();
  
                  auto env = Detail::measure_environment<Clock>();
  
                  getResultCapture().benchmarkPreparing(name);
                  CATCH_TRY{
                      auto plan = user_code([&] {
                          return prepare<Clock>(*cfg, env);
                      });
  
                      BenchmarkInfo info {
                          name,
                          plan.estimated_duration.count(),
                          plan.iterations_per_sample,
                          cfg->benchmarkSamples(),
                          cfg->benchmarkResamples(),
                          env.clock_resolution.mean.count(),
                          env.clock_cost.mean.count()
                      };
  
                      getResultCapture().benchmarkStarting(info);
  
                      auto samples = user_code([&] {
                          return plan.template run<Clock>(*cfg, env);
                      });
  
                      auto analysis = Detail::analyse(*cfg, env, samples.begin(), samples.end());
                      BenchmarkStats<FloatDuration<Clock>> stats{ info, analysis.samples, analysis.mean, analysis.standard_deviation, analysis.outliers, analysis.outlier_variance };
                      getResultCapture().benchmarkEnded(stats);
  
                  } CATCH_CATCH_ALL{
                      if (translateActiveException() != Detail::benchmarkErrorMsg) // benchmark errors have been reported, otherwise rethrow.
                          std::rethrow_exception(std::current_exception());
                  }
              }
  
              // sets lambda to be used in fun *and* executes benchmark!
              template <typename Fun,
                  typename std::enable_if<!Detail::is_related<Fun, Benchmark>::value, int>::type = 0>
                  Benchmark & operator=(Fun func) {
                  fun = Detail::BenchmarkFunction(func);
                  run();
                  return *this;
              }
  
              explicit operator bool() {
                  return true;
              }
  
          private:
              Detail::BenchmarkFunction fun;
              std::string name;
          };
      }
  } // namespace Catch
  
  #define INTERNAL_CATCH_GET_1_ARG(arg1, arg2, ...) arg1
  #define INTERNAL_CATCH_GET_2_ARG(arg1, arg2, ...) arg2
  
  #define INTERNAL_CATCH_BENCHMARK(BenchmarkName, name, benchmarkIndex)\
      if( Catch::Benchmark::Benchmark BenchmarkName{name} ) \
          BenchmarkName = [&](int benchmarkIndex)
  
  #define INTERNAL_CATCH_BENCHMARK_ADVANCED(BenchmarkName, name)\
      if( Catch::Benchmark::Benchmark BenchmarkName{name} ) \
          BenchmarkName = [&]
  
  // end catch_benchmark.hpp
  // start catch_constructor.hpp
  
  // Constructor and destructor helpers
  
  
  #include <type_traits>
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
              template <typename T, bool Destruct>
              struct ObjectStorage
              {
                  using TStorage = typename std::aligned_storage<sizeof(T), std::alignment_of<T>::value>::type;
  
                  ObjectStorage() : data() {}
  
                  ObjectStorage(const ObjectStorage& other)
                  {
                      new(&data) T(other.stored_object());
                  }
  
                  ObjectStorage(ObjectStorage&& other)
                  {
                      new(&data) T(std::move(other.stored_object()));
                  }
  
                  ~ObjectStorage() { destruct_on_exit<T>(); }
  
                  template <typename... Args>
                  void construct(Args&&... args)
                  {
                      new (&data) T(std::forward<Args>(args)...);
                  }
  
                  template <bool AllowManualDestruction = !Destruct>
                  typename std::enable_if<AllowManualDestruction>::type destruct()
                  {
                      stored_object().~T();
                  }
  
              private:
                  // If this is a constructor benchmark, destruct the underlying object
                  template <typename U>
                  void destruct_on_exit(typename std::enable_if<Destruct, U>::type* = 0) { destruct<true>(); }
                  // Otherwise, don't
                  template <typename U>
                  void destruct_on_exit(typename std::enable_if<!Destruct, U>::type* = 0) { }
  
                  T& stored_object() {
                      return *static_cast<T*>(static_cast<void*>(&data));
                  }
  
                  T const& stored_object() const {
                      return *static_cast<T*>(static_cast<void*>(&data));
                  }
  
                  TStorage data;
              };
          }
  
          template <typename T>
          using storage_for = Detail::ObjectStorage<T, true>;
  
          template <typename T>
          using destructable_object = Detail::ObjectStorage<T, false>;
      }
  }
  
  // end catch_constructor.hpp
  // end catch_benchmarking_all.hpp
  #endif
  
  #endif // ! CATCH_CONFIG_IMPL_ONLY
  
  #ifdef CATCH_IMPL
  // start catch_impl.hpp
  
  #ifdef __clang__
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wweak-vtables"
  #endif
  
  // Keep these here for external reporters
  // start catch_test_case_tracker.h
  
  #include <string>
  #include <vector>
  #include <memory>
  
  namespace Catch {
  namespace TestCaseTracking {
  
      struct NameAndLocation {
          std::string name;
          SourceLineInfo location;
  
          NameAndLocation( std::string const& _name, SourceLineInfo const& _location );
      };
  
      struct ITracker;
  
      using ITrackerPtr = std::shared_ptr<ITracker>;
  
      struct ITracker {
          virtual ~ITracker();
  
          // static queries
          virtual NameAndLocation const& nameAndLocation() const = 0;
  
          // dynamic queries
          virtual bool isComplete() const = 0; // Successfully completed or failed
          virtual bool isSuccessfullyCompleted() const = 0;
          virtual bool isOpen() const = 0; // Started but not complete
          virtual bool hasChildren() const = 0;
  
          virtual ITracker& parent() = 0;
  
          // actions
          virtual void close() = 0; // Successfully complete
          virtual void fail() = 0;
          virtual void markAsNeedingAnotherRun() = 0;
  
          virtual void addChild( ITrackerPtr const& child ) = 0;
          virtual ITrackerPtr findChild( NameAndLocation const& nameAndLocation ) = 0;
          virtual void openChild() = 0;
  
          // Debug/ checking
          virtual bool isSectionTracker() const = 0;
          virtual bool isGeneratorTracker() const = 0;
      };
  
      class TrackerContext {
  
          enum RunState {
              NotStarted,
              Executing,
              CompletedCycle
          };
  
          ITrackerPtr m_rootTracker;
          ITracker* m_currentTracker = nullptr;
          RunState m_runState = NotStarted;
  
      public:
  
          ITracker& startRun();
          void endRun();
  
          void startCycle();
          void completeCycle();
  
          bool completedCycle() const;
          ITracker& currentTracker();
          void setCurrentTracker( ITracker* tracker );
      };
  
      class TrackerBase : public ITracker {
      protected:
          enum CycleState {
              NotStarted,
              Executing,
              ExecutingChildren,
              NeedsAnotherRun,
              CompletedSuccessfully,
              Failed
          };
  
          using Children = std::vector<ITrackerPtr>;
          NameAndLocation m_nameAndLocation;
          TrackerContext& m_ctx;
          ITracker* m_parent;
          Children m_children;
          CycleState m_runState = NotStarted;
  
      public:
          TrackerBase( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent );
  
          NameAndLocation const& nameAndLocation() const override;
          bool isComplete() const override;
          bool isSuccessfullyCompleted() const override;
          bool isOpen() const override;
          bool hasChildren() const override;
  
          void addChild( ITrackerPtr const& child ) override;
  
          ITrackerPtr findChild( NameAndLocation const& nameAndLocation ) override;
          ITracker& parent() override;
  
          void openChild() override;
  
          bool isSectionTracker() const override;
          bool isGeneratorTracker() const override;
  
          void open();
  
          void close() override;
          void fail() override;
          void markAsNeedingAnotherRun() override;
  
      private:
          void moveToParent();
          void moveToThis();
      };
  
      class SectionTracker : public TrackerBase {
          std::vector<std::string> m_filters;
          std::string m_trimmed_name;
      public:
          SectionTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent );
  
          bool isSectionTracker() const override;
  
          bool isComplete() const override;
  
          static SectionTracker& acquire( TrackerContext& ctx, NameAndLocation const& nameAndLocation );
  
          void tryOpen();
  
          void addInitialFilters( std::vector<std::string> const& filters );
          void addNextFilters( std::vector<std::string> const& filters );
      };
  
  } // namespace TestCaseTracking
  
  using TestCaseTracking::ITracker;
  using TestCaseTracking::TrackerContext;
  using TestCaseTracking::SectionTracker;
  
  } // namespace Catch
  
  // end catch_test_case_tracker.h
  
  // start catch_leak_detector.h
  
  namespace Catch {
  
      struct LeakDetector {
          LeakDetector();
          ~LeakDetector();
      };
  
  }
  // end catch_leak_detector.h
  // Cpp files will be included in the single-header file here
  // start catch_stats.cpp
  
  // Statistical analysis tools
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  
  #include <cassert>
  #include <random>
  
  #if defined(CATCH_CONFIG_USE_ASYNC)
  #include <future>
  #endif
  
  namespace {
      double erf_inv(double x) {
          // Code accompanying the article "Approximating the erfinv function" in GPU Computing Gems, Volume 2
          double w, p;
  
          w = -log((1.0 - x) * (1.0 + x));
  
          if (w < 6.250000) {
              w = w - 3.125000;
              p = -3.6444120640178196996e-21;
              p = -1.685059138182016589e-19 + p * w;
              p = 1.2858480715256400167e-18 + p * w;
              p = 1.115787767802518096e-17 + p * w;
              p = -1.333171662854620906e-16 + p * w;
              p = 2.0972767875968561637e-17 + p * w;
              p = 6.6376381343583238325e-15 + p * w;
              p = -4.0545662729752068639e-14 + p * w;
              p = -8.1519341976054721522e-14 + p * w;
              p = 2.6335093153082322977e-12 + p * w;
              p = -1.2975133253453532498e-11 + p * w;
              p = -5.4154120542946279317e-11 + p * w;
              p = 1.051212273321532285e-09 + p * w;
              p = -4.1126339803469836976e-09 + p * w;
              p = -2.9070369957882005086e-08 + p * w;
              p = 4.2347877827932403518e-07 + p * w;
              p = -1.3654692000834678645e-06 + p * w;
              p = -1.3882523362786468719e-05 + p * w;
              p = 0.0001867342080340571352 + p * w;
              p = -0.00074070253416626697512 + p * w;
              p = -0.0060336708714301490533 + p * w;
              p = 0.24015818242558961693 + p * w;
              p = 1.6536545626831027356 + p * w;
          } else if (w < 16.000000) {
              w = sqrt(w) - 3.250000;
              p = 2.2137376921775787049e-09;
              p = 9.0756561938885390979e-08 + p * w;
              p = -2.7517406297064545428e-07 + p * w;
              p = 1.8239629214389227755e-08 + p * w;
              p = 1.5027403968909827627e-06 + p * w;
              p = -4.013867526981545969e-06 + p * w;
              p = 2.9234449089955446044e-06 + p * w;
              p = 1.2475304481671778723e-05 + p * w;
              p = -4.7318229009055733981e-05 + p * w;
              p = 6.8284851459573175448e-05 + p * w;
              p = 2.4031110387097893999e-05 + p * w;
              p = -0.0003550375203628474796 + p * w;
              p = 0.00095328937973738049703 + p * w;
              p = -0.0016882755560235047313 + p * w;
              p = 0.0024914420961078508066 + p * w;
              p = -0.0037512085075692412107 + p * w;
              p = 0.005370914553590063617 + p * w;
              p = 1.0052589676941592334 + p * w;
              p = 3.0838856104922207635 + p * w;
          } else {
              w = sqrt(w) - 5.000000;
              p = -2.7109920616438573243e-11;
              p = -2.5556418169965252055e-10 + p * w;
              p = 1.5076572693500548083e-09 + p * w;
              p = -3.7894654401267369937e-09 + p * w;
              p = 7.6157012080783393804e-09 + p * w;
              p = -1.4960026627149240478e-08 + p * w;
              p = 2.9147953450901080826e-08 + p * w;
              p = -6.7711997758452339498e-08 + p * w;
              p = 2.2900482228026654717e-07 + p * w;
              p = -9.9298272942317002539e-07 + p * w;
              p = 4.5260625972231537039e-06 + p * w;
              p = -1.9681778105531670567e-05 + p * w;
              p = 7.5995277030017761139e-05 + p * w;
              p = -0.00021503011930044477347 + p * w;
              p = -0.00013871931833623122026 + p * w;
              p = 1.0103004648645343977 + p * w;
              p = 4.8499064014085844221 + p * w;
          }
          return p * x;
      }
  
      double standard_deviation(std::vector<double>::iterator first, std::vector<double>::iterator last) {
          auto m = Catch::Benchmark::Detail::mean(first, last);
          double variance = std::accumulate(first, last, 0., [m](double a, double b) {
              double diff = b - m;
              return a + diff * diff;
              }) / (last - first);
              return std::sqrt(variance);
      }
  
  }
  
  namespace Catch {
      namespace Benchmark {
          namespace Detail {
  
              double weighted_average_quantile(int k, int q, std::vector<double>::iterator first, std::vector<double>::iterator last) {
                  auto count = last - first;
                  double idx = (count - 1) * k / static_cast<double>(q);
                  int j = static_cast<int>(idx);
                  double g = idx - j;
                  std::nth_element(first, first + j, last);
                  auto xj = first[j];
                  if (g == 0) return xj;
  
                  auto xj1 = *std::min_element(first + (j + 1), last);
                  return xj + g * (xj1 - xj);
              }
  
              double erfc_inv(double x) {
                  return erf_inv(1.0 - x);
              }
  
              double normal_quantile(double p) {
                  static const double ROOT_TWO = std::sqrt(2.0);
  
                  double result = 0.0;
                  assert(p >= 0 && p <= 1);
                  if (p < 0 || p > 1) {
                      return result;
                  }
  
                  result = -erfc_inv(2.0 * p);
                  // result *= normal distribution standard deviation (1.0) * sqrt(2)
                  result *= /*sd * */ ROOT_TWO;
                  // result += normal disttribution mean (0)
                  return result;
              }
  
              double outlier_variance(Estimate<double> mean, Estimate<double> stddev, int n) {
                  double sb = stddev.point;
                  double mn = mean.point / n;
                  double mg_min = mn / 2.;
                  double sg = std::min(mg_min / 4., sb / std::sqrt(n));
                  double sg2 = sg * sg;
                  double sb2 = sb * sb;
  
                  auto c_max = [n, mn, sb2, sg2](double x) -> double {
                      double k = mn - x;
                      double d = k * k;
                      double nd = n * d;
                      double k0 = -n * nd;
                      double k1 = sb2 - n * sg2 + nd;
                      double det = k1 * k1 - 4 * sg2 * k0;
                      return (int)(-2. * k0 / (k1 + std::sqrt(det)));
                  };
  
                  auto var_out = [n, sb2, sg2](double c) {
                      double nc = n - c;
                      return (nc / n) * (sb2 - nc * sg2);
                  };
  
                  return std::min(var_out(1), var_out(std::min(c_max(0.), c_max(mg_min)))) / sb2;
              }
  
              bootstrap_analysis analyse_samples(double confidence_level, int n_resamples, std::vector<double>::iterator first, std::vector<double>::iterator last) {
                  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
                  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
                  static std::random_device entropy;
                  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
  
                  auto n = static_cast<int>(last - first); // seriously, one can't use integral types without hell in C++
  
                  auto mean = &Detail::mean<std::vector<double>::iterator>;
                  auto stddev = &standard_deviation;
  
  #if defined(CATCH_CONFIG_USE_ASYNC)
                  auto Estimate = [=](double(*f)(std::vector<double>::iterator, std::vector<double>::iterator)) {
                      auto seed = entropy();
                      return std::async(std::launch::async, [=] {
                          std::mt19937 rng(seed);
                          auto resampled = resample(rng, n_resamples, first, last, f);
                          return bootstrap(confidence_level, first, last, resampled, f);
                      });
                  };
  
                  auto mean_future = Estimate(mean);
                  auto stddev_future = Estimate(stddev);
  
                  auto mean_estimate = mean_future.get();
                  auto stddev_estimate = stddev_future.get();
  #else
                  auto Estimate = [=](double(*f)(std::vector<double>::iterator, std::vector<double>::iterator)) {
                      auto seed = entropy();
                      std::mt19937 rng(seed);
                      auto resampled = resample(rng, n_resamples, first, last, f);
                      return bootstrap(confidence_level, first, last, resampled, f);
                  };
  
                  auto mean_estimate = Estimate(mean);
                  auto stddev_estimate = Estimate(stddev);
  #endif // CATCH_USE_ASYNC
  
                  double outlier_variance = Detail::outlier_variance(mean_estimate, stddev_estimate, n);
  
                  return { mean_estimate, stddev_estimate, outlier_variance };
              }
          } // namespace Detail
      } // namespace Benchmark
  } // namespace Catch
  
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  // end catch_stats.cpp
  // start catch_approx.cpp
  
  #include <cmath>
  #include <limits>
  
  namespace {
  
  // Performs equivalent check of std::fabs(lhs - rhs) <= margin
  // But without the subtraction to allow for INFINITY in comparison
  bool marginComparison(double lhs, double rhs, double margin) {
      return (lhs + margin >= rhs) && (rhs + margin >= lhs);
  }
  
  }
  
  namespace Catch {
  namespace Detail {
  
      Approx::Approx ( double value )
      :   m_epsilon( std::numeric_limits<float>::epsilon()*100 ),
          m_margin( 0.0 ),
          m_scale( 0.0 ),
          m_value( value )
      {}
  
      Approx Approx::custom() {
          return Approx( 0 );
      }
  
      Approx Approx::operator-() const {
          auto temp(*this);
          temp.m_value = -temp.m_value;
          return temp;
      }
  
      std::string Approx::toString() const {
          ReusableStringStream rss;
          rss << "Approx( " << ::Catch::Detail::stringify( m_value ) << " )";
          return rss.str();
      }
  
      bool Approx::equalityComparisonImpl(const double other) const {
          // First try with fixed margin, then compute margin based on epsilon, scale and Approx's value
          // Thanks to Richard Harris for his help refining the scaled margin value
          return marginComparison(m_value, other, m_margin)
              || marginComparison(m_value, other, m_epsilon * (m_scale + std::fabs(std::isinf(m_value)? 0 : m_value)));
      }
  
      void Approx::setMargin(double newMargin) {
          CATCH_ENFORCE(newMargin >= 0,
              "Invalid Approx::margin: " << newMargin << '.'
              << " Approx::Margin has to be non-negative.");
          m_margin = newMargin;
      }
  
      void Approx::setEpsilon(double newEpsilon) {
          CATCH_ENFORCE(newEpsilon >= 0 && newEpsilon <= 1.0,
              "Invalid Approx::epsilon: " << newEpsilon << '.'
              << " Approx::epsilon has to be in [0, 1]");
          m_epsilon = newEpsilon;
      }
  
  } // end namespace Detail
  
  namespace literals {
      Detail::Approx operator "" _a(long double val) {
          return Detail::Approx(val);
      }
      Detail::Approx operator "" _a(unsigned long long val) {
          return Detail::Approx(val);
      }
  } // end namespace literals
  
  std::string StringMaker<Catch::Detail::Approx>::convert(Catch::Detail::Approx const& value) {
      return value.toString();
  }
  
  } // end namespace Catch
  // end catch_approx.cpp
  // start catch_assertionhandler.cpp
  
  // start catch_debugger.h
  
  namespace Catch {
      bool isDebuggerActive();
  }
  
  #ifdef CATCH_PLATFORM_MAC
  
      #define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */
  
  #elif defined(CATCH_PLATFORM_IPHONE)
  
      // use inline assembler
      #if defined(__i386__) || defined(__x86_64__)
          #define CATCH_TRAP()  __asm__("int $3")
      #elif defined(__aarch64__)
          #define CATCH_TRAP()  __asm__(".inst 0xd4200000")
      #elif defined(__arm__)
          #define CATCH_TRAP()  __asm__(".inst 0xe7f001f0")
      #endif
  
  #elif defined(CATCH_PLATFORM_LINUX)
      // If we can use inline assembler, do it because this allows us to break
      // directly at the location of the failing check instead of breaking inside
      // raise() called from it, i.e. one stack frame below.
      #if defined(__GNUC__) && (defined(__i386) || defined(__x86_64))
          #define CATCH_TRAP() asm volatile ("int $3") /* NOLINT */
      #else // Fall back to the generic way.
          #include <signal.h>
  
          #define CATCH_TRAP() raise(SIGTRAP)
      #endif
  #elif defined(_MSC_VER)
      #define CATCH_TRAP() __debugbreak()
  #elif defined(__MINGW32__)
      extern "C" __declspec(dllimport) void __stdcall DebugBreak();
      #define CATCH_TRAP() DebugBreak()
  #endif
  
  #ifdef CATCH_TRAP
      #define CATCH_BREAK_INTO_DEBUGGER() []{ if( Catch::isDebuggerActive() ) { CATCH_TRAP(); } }()
  #else
      #define CATCH_BREAK_INTO_DEBUGGER() []{}()
  #endif
  
  // end catch_debugger.h
  // start catch_run_context.h
  
  // start catch_fatal_condition.h
  
  // start catch_windows_h_proxy.h
  
  
  #if defined(CATCH_PLATFORM_WINDOWS)
  
  #if !defined(NOMINMAX) && !defined(CATCH_CONFIG_NO_NOMINMAX)
  #  define CATCH_DEFINED_NOMINMAX
  #  define NOMINMAX
  #endif
  #if !defined(WIN32_LEAN_AND_MEAN) && !defined(CATCH_CONFIG_NO_WIN32_LEAN_AND_MEAN)
  #  define CATCH_DEFINED_WIN32_LEAN_AND_MEAN
  #  define WIN32_LEAN_AND_MEAN
  #endif
  
  #ifdef __AFXDLL
  #include <AfxWin.h>
  #else
  #include <windows.h>
  #endif
  
  #ifdef CATCH_DEFINED_NOMINMAX
  #  undef NOMINMAX
  #endif
  #ifdef CATCH_DEFINED_WIN32_LEAN_AND_MEAN
  #  undef WIN32_LEAN_AND_MEAN
  #endif
  
  #endif // defined(CATCH_PLATFORM_WINDOWS)
  
  // end catch_windows_h_proxy.h
  #if defined( CATCH_CONFIG_WINDOWS_SEH )
  
  namespace Catch {
  
      struct FatalConditionHandler {
  
          static LONG CALLBACK handleVectoredException(PEXCEPTION_POINTERS ExceptionInfo);
          FatalConditionHandler();
          static void reset();
          ~FatalConditionHandler();
  
      private:
          static bool isSet;
          static ULONG guaranteeSize;
          static PVOID exceptionHandlerHandle;
      };
  
  } // namespace Catch
  
  #elif defined ( CATCH_CONFIG_POSIX_SIGNALS )
  
  #include <signal.h>
  
  namespace Catch {
  
      struct FatalConditionHandler {
  
          static bool isSet;
          static struct sigaction oldSigActions[];
          static stack_t oldSigStack;
          static char altStackMem[];
  
          static void handleSignal( int sig );
  
          FatalConditionHandler();
          ~FatalConditionHandler();
          static void reset();
      };
  
  } // namespace Catch
  
  #else
  
  namespace Catch {
      struct FatalConditionHandler {
          void reset();
      };
  }
  
  #endif
  
  // end catch_fatal_condition.h
  #include <string>
  
  namespace Catch {
  
      struct IMutableContext;
  
      ///////////////////////////////////////////////////////////////////////////
  
      class RunContext : public IResultCapture, public IRunner {
  
      public:
          RunContext( RunContext const& ) = delete;
          RunContext& operator =( RunContext const& ) = delete;
  
          explicit RunContext( IConfigPtr const& _config, IStreamingReporterPtr&& reporter );
  
          ~RunContext() override;
  
          void testGroupStarting( std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount );
          void testGroupEnded( std::string const& testSpec, Totals const& totals, std::size_t groupIndex, std::size_t groupsCount );
  
          Totals runTest(TestCase const& testCase);
  
          IConfigPtr config() const;
          IStreamingReporter& reporter() const;
  
      public: // IResultCapture
  
          // Assertion handlers
          void handleExpr
                  (   AssertionInfo const& info,
                      ITransientExpression const& expr,
                      AssertionReaction& reaction ) override;
          void handleMessage
                  (   AssertionInfo const& info,
                      ResultWas::OfType resultType,
                      StringRef const& message,
                      AssertionReaction& reaction ) override;
          void handleUnexpectedExceptionNotThrown
                  (   AssertionInfo const& info,
                      AssertionReaction& reaction ) override;
          void handleUnexpectedInflightException
                  (   AssertionInfo const& info,
                      std::string const& message,
                      AssertionReaction& reaction ) override;
          void handleIncomplete
                  (   AssertionInfo const& info ) override;
          void handleNonExpr
                  (   AssertionInfo const &info,
                      ResultWas::OfType resultType,
                      AssertionReaction &reaction ) override;
  
          bool sectionStarted( SectionInfo const& sectionInfo, Counts& assertions ) override;
  
          void sectionEnded( SectionEndInfo const& endInfo ) override;
          void sectionEndedEarly( SectionEndInfo const& endInfo ) override;
  
          auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& override;
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
          void benchmarkPreparing( std::string const& name ) override;
          void benchmarkStarting( BenchmarkInfo const& info ) override;
          void benchmarkEnded( BenchmarkStats<> const& stats ) override;
          void benchmarkFailed( std::string const& error ) override;
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
          void pushScopedMessage( MessageInfo const& message ) override;
          void popScopedMessage( MessageInfo const& message ) override;
  
          void emplaceUnscopedMessage( MessageBuilder const& builder ) override;
  
          std::string getCurrentTestName() const override;
  
          const AssertionResult* getLastResult() const override;
  
          void exceptionEarlyReported() override;
  
          void handleFatalErrorCondition( StringRef message ) override;
  
          bool lastAssertionPassed() override;
  
          void assertionPassed() override;
  
      public:
          // !TBD We need to do this another way!
          bool aborting() const final;
  
      private:
  
          void runCurrentTest( std::string& redirectedCout, std::string& redirectedCerr );
          void invokeActiveTestCase();
  
          void resetAssertionInfo();
          bool testForMissingAssertions( Counts& assertions );
  
          void assertionEnded( AssertionResult const& result );
          void reportExpr
                  (   AssertionInfo const &info,
                      ResultWas::OfType resultType,
                      ITransientExpression const *expr,
                      bool negated );
  
          void populateReaction( AssertionReaction& reaction );
  
      private:
  
          void handleUnfinishedSections();
  
          TestRunInfo m_runInfo;
          IMutableContext& m_context;
          TestCase const* m_activeTestCase = nullptr;
          ITracker* m_testCaseTracker = nullptr;
          Option<AssertionResult> m_lastResult;
  
          IConfigPtr m_config;
          Totals m_totals;
          IStreamingReporterPtr m_reporter;
          std::vector<MessageInfo> m_messages;
          std::vector<ScopedMessage> m_messageScopes; /* Keeps owners of so-called unscoped messages. */
          AssertionInfo m_lastAssertionInfo;
          std::vector<SectionEndInfo> m_unfinishedSections;
          std::vector<ITracker*> m_activeSections;
          TrackerContext m_trackerContext;
          bool m_lastAssertionPassed = false;
          bool m_shouldReportUnexpected = true;
          bool m_includeSuccessfulResults;
      };
  
      void seedRng(IConfig const& config);
      unsigned int rngSeed();
  } // end namespace Catch
  
  // end catch_run_context.h
  namespace Catch {
  
      namespace {
          auto operator <<( std::ostream& os, ITransientExpression const& expr ) -> std::ostream& {
              expr.streamReconstructedExpression( os );
              return os;
          }
      }
  
      LazyExpression::LazyExpression( bool isNegated )
      :   m_isNegated( isNegated )
      {}
  
      LazyExpression::LazyExpression( LazyExpression const& other ) : m_isNegated( other.m_isNegated ) {}
  
      LazyExpression::operator bool() const {
          return m_transientExpression != nullptr;
      }
  
      auto operator << ( std::ostream& os, LazyExpression const& lazyExpr ) -> std::ostream& {
          if( lazyExpr.m_isNegated )
              os << "!";
  
          if( lazyExpr ) {
              if( lazyExpr.m_isNegated && lazyExpr.m_transientExpression->isBinaryExpression() )
                  os << "(" << *lazyExpr.m_transientExpression << ")";
              else
                  os << *lazyExpr.m_transientExpression;
          }
          else {
              os << "{** error - unchecked empty expression requested **}";
          }
          return os;
      }
  
      AssertionHandler::AssertionHandler
          (   StringRef const& macroName,
              SourceLineInfo const& lineInfo,
              StringRef capturedExpression,
              ResultDisposition::Flags resultDisposition )
      :   m_assertionInfo{ macroName, lineInfo, capturedExpression, resultDisposition },
          m_resultCapture( getResultCapture() )
      {}
  
      void AssertionHandler::handleExpr( ITransientExpression const& expr ) {
          m_resultCapture.handleExpr( m_assertionInfo, expr, m_reaction );
      }
      void AssertionHandler::handleMessage(ResultWas::OfType resultType, StringRef const& message) {
          m_resultCapture.handleMessage( m_assertionInfo, resultType, message, m_reaction );
      }
  
      auto AssertionHandler::allowThrows() const -> bool {
          return getCurrentContext().getConfig()->allowThrows();
      }
  
      void AssertionHandler::complete() {
          setCompleted();
          if( m_reaction.shouldDebugBreak ) {
  
              // If you find your debugger stopping you here then go one level up on the
              // call-stack for the code that caused it (typically a failed assertion)
  
              // (To go back to the test and change execution, jump over the throw, next)
              CATCH_BREAK_INTO_DEBUGGER();
          }
          if (m_reaction.shouldThrow) {
  #if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
              throw Catch::TestFailureException();
  #else
              CATCH_ERROR( "Test failure requires aborting test!" );
  #endif
          }
      }
      void AssertionHandler::setCompleted() {
          m_completed = true;
      }
  
      void AssertionHandler::handleUnexpectedInflightException() {
          m_resultCapture.handleUnexpectedInflightException( m_assertionInfo, Catch::translateActiveException(), m_reaction );
      }
  
      void AssertionHandler::handleExceptionThrownAsExpected() {
          m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
      }
      void AssertionHandler::handleExceptionNotThrownAsExpected() {
          m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
      }
  
      void AssertionHandler::handleUnexpectedExceptionNotThrown() {
          m_resultCapture.handleUnexpectedExceptionNotThrown( m_assertionInfo, m_reaction );
      }
  
      void AssertionHandler::handleThrowingCallSkipped() {
          m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
      }
  
      // This is the overload that takes a string and infers the Equals matcher from it
      // The more general overload, that takes any string matcher, is in catch_capture_matchers.cpp
      void handleExceptionMatchExpr( AssertionHandler& handler, std::string const& str, StringRef const& matcherString  ) {
          handleExceptionMatchExpr( handler, Matchers::Equals( str ), matcherString );
      }
  
  } // namespace Catch
  // end catch_assertionhandler.cpp
  // start catch_assertionresult.cpp
  
  namespace Catch {
      AssertionResultData::AssertionResultData(ResultWas::OfType _resultType, LazyExpression const & _lazyExpression):
          lazyExpression(_lazyExpression),
          resultType(_resultType) {}
  
      std::string AssertionResultData::reconstructExpression() const {
  
          if( reconstructedExpression.empty() ) {
              if( lazyExpression ) {
                  ReusableStringStream rss;
                  rss << lazyExpression;
                  reconstructedExpression = rss.str();
              }
          }
          return reconstructedExpression;
      }
  
      AssertionResult::AssertionResult( AssertionInfo const& info, AssertionResultData const& data )
      :   m_info( info ),
          m_resultData( data )
      {}
  
      // Result was a success
      bool AssertionResult::succeeded() const {
          return Catch::isOk( m_resultData.resultType );
      }
  
      // Result was a success, or failure is suppressed
      bool AssertionResult::isOk() const {
          return Catch::isOk( m_resultData.resultType ) || shouldSuppressFailure( m_info.resultDisposition );
      }
  
      ResultWas::OfType AssertionResult::getResultType() const {
          return m_resultData.resultType;
      }
  
      bool AssertionResult::hasExpression() const {
          return !m_info.capturedExpression.empty();
      }
  
      bool AssertionResult::hasMessage() const {
          return !m_resultData.message.empty();
      }
  
      std::string AssertionResult::getExpression() const {
          // Possibly overallocating by 3 characters should be basically free
          std::string expr; expr.reserve(m_info.capturedExpression.size() + 3);
          if (isFalseTest(m_info.resultDisposition)) {
              expr += "!(";
          }
          expr += m_info.capturedExpression;
          if (isFalseTest(m_info.resultDisposition)) {
              expr += ')';
          }
          return expr;
      }
  
      std::string AssertionResult::getExpressionInMacro() const {
          std::string expr;
          if( m_info.macroName.empty() )
              expr = static_cast<std::string>(m_info.capturedExpression);
          else {
              expr.reserve( m_info.macroName.size() + m_info.capturedExpression.size() + 4 );
              expr += m_info.macroName;
              expr += "( ";
              expr += m_info.capturedExpression;
              expr += " )";
          }
          return expr;
      }
  
      bool AssertionResult::hasExpandedExpression() const {
          return hasExpression() && getExpandedExpression() != getExpression();
      }
  
      std::string AssertionResult::getExpandedExpression() const {
          std::string expr = m_resultData.reconstructExpression();
          return expr.empty()
                  ? getExpression()
                  : expr;
      }
  
      std::string AssertionResult::getMessage() const {
          return m_resultData.message;
      }
      SourceLineInfo AssertionResult::getSourceInfo() const {
          return m_info.lineInfo;
      }
  
      StringRef AssertionResult::getTestMacroName() const {
          return m_info.macroName;
      }
  
  } // end namespace Catch
  // end catch_assertionresult.cpp
  // start catch_capture_matchers.cpp
  
  namespace Catch {
  
      using StringMatcher = Matchers::Impl::MatcherBase<std::string>;
  
      // This is the general overload that takes a any string matcher
      // There is another overload, in catch_assertionhandler.h/.cpp, that only takes a string and infers
      // the Equals matcher (so the header does not mention matchers)
      void handleExceptionMatchExpr( AssertionHandler& handler, StringMatcher const& matcher, StringRef const& matcherString  ) {
          std::string exceptionMessage = Catch::translateActiveException();
          MatchExpr<std::string, StringMatcher const&> expr( exceptionMessage, matcher, matcherString );
          handler.handleExpr( expr );
      }
  
  } // namespace Catch
  // end catch_capture_matchers.cpp
  // start catch_commandline.cpp
  
  // start catch_commandline.h
  
  // start catch_clara.h
  
  // Use Catch's value for console width (store Clara's off to the side, if present)
  #ifdef CLARA_CONFIG_CONSOLE_WIDTH
  #define CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
  #undef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
  #endif
  #define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_CONFIG_CONSOLE_WIDTH-1
  
  #ifdef __clang__
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wweak-vtables"
  #pragma clang diagnostic ignored "-Wexit-time-destructors"
  #pragma clang diagnostic ignored "-Wshadow"
  #endif
  
  // start clara.hpp
  // Copyright 2017 Two Blue Cubes Ltd. All rights reserved.
  //
  // Distributed under the Boost Software License, Version 1.0. (See accompanying
  // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  //
  // See https://github.com/philsquared/Clara for more details
  
  // Clara v1.1.5
  
  
  #ifndef CATCH_CLARA_CONFIG_CONSOLE_WIDTH
  #define CATCH_CLARA_CONFIG_CONSOLE_WIDTH 80
  #endif
  
  #ifndef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
  #define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_CLARA_CONFIG_CONSOLE_WIDTH
  #endif
  
  #ifndef CLARA_CONFIG_OPTIONAL_TYPE
  #ifdef __has_include
  #if __has_include(<optional>) && __cplusplus >= 201703L
  #include <optional>
  #define CLARA_CONFIG_OPTIONAL_TYPE std::optional
  #endif
  #endif
  #endif
  
  // ----------- #included from clara_textflow.hpp -----------
  
  // TextFlowCpp
  //
  // A single-header library for wrapping and laying out basic text, by Phil Nash
  //
  // Distributed under the Boost Software License, Version 1.0. (See accompanying
  // file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  //
  // This project is hosted at https://github.com/philsquared/textflowcpp
  
  
  #include <cassert>
  #include <ostream>
  #include <sstream>
  #include <vector>
  
  #ifndef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
  #define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH 80
  #endif
  
  namespace Catch {
  namespace clara {
  namespace TextFlow {
  
  inline auto isWhitespace(char c) -> bool {
  	static std::string chars = " \t\n\r";
  	return chars.find(c) != std::string::npos;
  }
  inline auto isBreakableBefore(char c) -> bool {
  	static std::string chars = "[({<|";
  	return chars.find(c) != std::string::npos;
  }
  inline auto isBreakableAfter(char c) -> bool {
  	static std::string chars = "])}>.,:;*+-=&/\\";
  	return chars.find(c) != std::string::npos;
  }
  
  class Columns;
  
  class Column {
  	std::vector<std::string> m_strings;
  	size_t m_width = CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH;
  	size_t m_indent = 0;
  	size_t m_initialIndent = std::string::npos;
  
  public:
  	class iterator {
  		friend Column;
  
  		Column const& m_column;
  		size_t m_stringIndex = 0;
  		size_t m_pos = 0;
  
  		size_t m_len = 0;
  		size_t m_end = 0;
  		bool m_suffix = false;
  
  		iterator(Column const& column, size_t stringIndex)
  			: m_column(column),
  			m_stringIndex(stringIndex) {}
  
  		auto line() const -> std::string const& { return m_column.m_strings[m_stringIndex]; }
  
  		auto isBoundary(size_t at) const -> bool {
  			assert(at > 0);
  			assert(at <= line().size());
  
  			return at == line().size() ||
  				(isWhitespace(line()[at]) && !isWhitespace(line()[at - 1])) ||
  				isBreakableBefore(line()[at]) ||
  				isBreakableAfter(line()[at - 1]);
  		}
  
  		void calcLength() {
  			assert(m_stringIndex < m_column.m_strings.size());
  
  			m_suffix = false;
  			auto width = m_column.m_width - indent();
  			m_end = m_pos;
  			if (line()[m_pos] == '\n') {
  				++m_end;
  			}
  			while (m_end < line().size() && line()[m_end] != '\n')
  				++m_end;
  
  			if (m_end < m_pos + width) {
  				m_len = m_end - m_pos;
  			} else {
  				size_t len = width;
  				while (len > 0 && !isBoundary(m_pos + len))
  					--len;
  				while (len > 0 && isWhitespace(line()[m_pos + len - 1]))
  					--len;
  
  				if (len > 0) {
  					m_len = len;
  				} else {
  					m_suffix = true;
  					m_len = width - 1;
  				}
  			}
  		}
  
  		auto indent() const -> size_t {
  			auto initial = m_pos == 0 && m_stringIndex == 0 ? m_column.m_initialIndent : std::string::npos;
  			return initial == std::string::npos ? m_column.m_indent : initial;
  		}
  
  		auto addIndentAndSuffix(std::string const &plain) const -> std::string {
  			return std::string(indent(), ' ') + (m_suffix ? plain + "-" : plain);
  		}
  
  	public:
  		using difference_type = std::ptrdiff_t;
  		using value_type = std::string;
  		using pointer = value_type * ;
  		using reference = value_type & ;
  		using iterator_category = std::forward_iterator_tag;
  
  		explicit iterator(Column const& column) : m_column(column) {
  			assert(m_column.m_width > m_column.m_indent);
  			assert(m_column.m_initialIndent == std::string::npos || m_column.m_width > m_column.m_initialIndent);
  			calcLength();
  			if (m_len == 0)
  				m_stringIndex++; // Empty string
  		}
  
  		auto operator *() const -> std::string {
  			assert(m_stringIndex < m_column.m_strings.size());
  			assert(m_pos <= m_end);
  			return addIndentAndSuffix(line().substr(m_pos, m_len));
  		}
  
  		auto operator ++() -> iterator& {
  			m_pos += m_len;
  			if (m_pos < line().size() && line()[m_pos] == '\n')
  				m_pos += 1;
  			else
  				while (m_pos < line().size() && isWhitespace(line()[m_pos]))
  					++m_pos;
  
  			if (m_pos == line().size()) {
  				m_pos = 0;
  				++m_stringIndex;
  			}
  			if (m_stringIndex < m_column.m_strings.size())
  				calcLength();
  			return *this;
  		}
  		auto operator ++(int) -> iterator {
  			iterator prev(*this);
  			operator++();
  			return prev;
  		}
  
  		auto operator ==(iterator const& other) const -> bool {
  			return
  				m_pos == other.m_pos &&
  				m_stringIndex == other.m_stringIndex &&
  				&m_column == &other.m_column;
  		}
  		auto operator !=(iterator const& other) const -> bool {
  			return !operator==(other);
  		}
  	};
  	using const_iterator = iterator;
  
  	explicit Column(std::string const& text) { m_strings.push_back(text); }
  
  	auto width(size_t newWidth) -> Column& {
  		assert(newWidth > 0);
  		m_width = newWidth;
  		return *this;
  	}
  	auto indent(size_t newIndent) -> Column& {
  		m_indent = newIndent;
  		return *this;
  	}
  	auto initialIndent(size_t newIndent) -> Column& {
  		m_initialIndent = newIndent;
  		return *this;
  	}
  
  	auto width() const -> size_t { return m_width; }
  	auto begin() const -> iterator { return iterator(*this); }
  	auto end() const -> iterator { return { *this, m_strings.size() }; }
  
  	inline friend std::ostream& operator << (std::ostream& os, Column const& col) {
  		bool first = true;
  		for (auto line : col) {
  			if (first)
  				first = false;
  			else
  				os << "\n";
  			os << line;
  		}
  		return os;
  	}
  
  	auto operator + (Column const& other)->Columns;
  
  	auto toString() const -> std::string {
  		std::ostringstream oss;
  		oss << *this;
  		return oss.str();
  	}
  };
  
  class Spacer : public Column {
  
  public:
  	explicit Spacer(size_t spaceWidth) : Column("") {
  		width(spaceWidth);
  	}
  };
  
  class Columns {
  	std::vector<Column> m_columns;
  
  public:
  
  	class iterator {
  		friend Columns;
  		struct EndTag {};
  
  		std::vector<Column> const& m_columns;
  		std::vector<Column::iterator> m_iterators;
  		size_t m_activeIterators;
  
  		iterator(Columns const& columns, EndTag)
  			: m_columns(columns.m_columns),
  			m_activeIterators(0) {
  			m_iterators.reserve(m_columns.size());
  
  			for (auto const& col : m_columns)
  				m_iterators.push_back(col.end());
  		}
  
  	public:
  		using difference_type = std::ptrdiff_t;
  		using value_type = std::string;
  		using pointer = value_type * ;
  		using reference = value_type & ;
  		using iterator_category = std::forward_iterator_tag;
  
  		explicit iterator(Columns const& columns)
  			: m_columns(columns.m_columns),
  			m_activeIterators(m_columns.size()) {
  			m_iterators.reserve(m_columns.size());
  
  			for (auto const& col : m_columns)
  				m_iterators.push_back(col.begin());
  		}
  
  		auto operator ==(iterator const& other) const -> bool {
  			return m_iterators == other.m_iterators;
  		}
  		auto operator !=(iterator const& other) const -> bool {
  			return m_iterators != other.m_iterators;
  		}
  		auto operator *() const -> std::string {
  			std::string row, padding;
  
  			for (size_t i = 0; i < m_columns.size(); ++i) {
  				auto width = m_columns[i].width();
  				if (m_iterators[i] != m_columns[i].end()) {
  					std::string col = *m_iterators[i];
  					row += padding + col;
  					if (col.size() < width)
  						padding = std::string(width - col.size(), ' ');
  					else
  						padding = "";
  				} else {
  					padding += std::string(width, ' ');
  				}
  			}
  			return row;
  		}
  		auto operator ++() -> iterator& {
  			for (size_t i = 0; i < m_columns.size(); ++i) {
  				if (m_iterators[i] != m_columns[i].end())
  					++m_iterators[i];
  			}
  			return *this;
  		}
  		auto operator ++(int) -> iterator {
  			iterator prev(*this);
  			operator++();
  			return prev;
  		}
  	};
  	using const_iterator = iterator;
  
  	auto begin() const -> iterator { return iterator(*this); }
  	auto end() const -> iterator { return { *this, iterator::EndTag() }; }
  
  	auto operator += (Column const& col) -> Columns& {
  		m_columns.push_back(col);
  		return *this;
  	}
  	auto operator + (Column const& col) -> Columns {
  		Columns combined = *this;
  		combined += col;
  		return combined;
  	}
  
  	inline friend std::ostream& operator << (std::ostream& os, Columns const& cols) {
  
  		bool first = true;
  		for (auto line : cols) {
  			if (first)
  				first = false;
  			else
  				os << "\n";
  			os << line;
  		}
  		return os;
  	}
  
  	auto toString() const -> std::string {
  		std::ostringstream oss;
  		oss << *this;
  		return oss.str();
  	}
  };
  
  inline auto Column::operator + (Column const& other) -> Columns {
  	Columns cols;
  	cols += *this;
  	cols += other;
  	return cols;
  }
  }
  
  }
  }
  
  // ----------- end of #include from clara_textflow.hpp -----------
  // ........... back in clara.hpp
  
  #include <cctype>
  #include <string>
  #include <memory>
  #include <set>
  #include <algorithm>
  
  #if !defined(CATCH_PLATFORM_WINDOWS) && ( defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER) )
  #define CATCH_PLATFORM_WINDOWS
  #endif
  
  namespace Catch { namespace clara {
  namespace detail {
  
      // Traits for extracting arg and return type of lambdas (for single argument lambdas)
      template<typename L>
      struct UnaryLambdaTraits : UnaryLambdaTraits<decltype( &L::operator() )> {};
  
      template<typename ClassT, typename ReturnT, typename... Args>
      struct UnaryLambdaTraits<ReturnT( ClassT::* )( Args... ) const> {
          static const bool isValid = false;
      };
  
      template<typename ClassT, typename ReturnT, typename ArgT>
      struct UnaryLambdaTraits<ReturnT( ClassT::* )( ArgT ) const> {
          static const bool isValid = true;
          using ArgType = typename std::remove_const<typename std::remove_reference<ArgT>::type>::type;
          using ReturnType = ReturnT;
      };
  
      class TokenStream;
  
      // Transport for raw args (copied from main args, or supplied via init list for testing)
      class Args {
          friend TokenStream;
          std::string m_exeName;
          std::vector<std::string> m_args;
  
      public:
          Args( int argc, char const* const* argv )
              : m_exeName(argv[0]),
                m_args(argv + 1, argv + argc) {}
  
          Args( std::initializer_list<std::string> args )
          :   m_exeName( *args.begin() ),
              m_args( args.begin()+1, args.end() )
          {}
  
          auto exeName() const -> std::string {
              return m_exeName;
          }
      };
  
      // Wraps a token coming from a token stream. These may not directly correspond to strings as a single string
      // may encode an option + its argument if the : or = form is used
      enum class TokenType {
          Option, Argument
      };
      struct Token {
          TokenType type;
          std::string token;
      };
  
      inline auto isOptPrefix( char c ) -> bool {
          return c == '-'
  #ifdef CATCH_PLATFORM_WINDOWS
              || c == '/'
  #endif
          ;
      }
  
      // Abstracts iterators into args as a stream of tokens, with option arguments uniformly handled
      class TokenStream {
          using Iterator = std::vector<std::string>::const_iterator;
          Iterator it;
          Iterator itEnd;
          std::vector<Token> m_tokenBuffer;
  
          void loadBuffer() {
              m_tokenBuffer.resize( 0 );
  
              // Skip any empty strings
              while( it != itEnd && it->empty() )
                  ++it;
  
              if( it != itEnd ) {
                  auto const &next = *it;
                  if( isOptPrefix( next[0] ) ) {
                      auto delimiterPos = next.find_first_of( " :=" );
                      if( delimiterPos != std::string::npos ) {
                          m_tokenBuffer.push_back( { TokenType::Option, next.substr( 0, delimiterPos ) } );
                          m_tokenBuffer.push_back( { TokenType::Argument, next.substr( delimiterPos + 1 ) } );
                      } else {
                          if( next[1] != '-' && next.size() > 2 ) {
                              std::string opt = "- ";
                              for( size_t i = 1; i < next.size(); ++i ) {
                                  opt[1] = next[i];
                                  m_tokenBuffer.push_back( { TokenType::Option, opt } );
                              }
                          } else {
                              m_tokenBuffer.push_back( { TokenType::Option, next } );
                          }
                      }
                  } else {
                      m_tokenBuffer.push_back( { TokenType::Argument, next } );
                  }
              }
          }
  
      public:
          explicit TokenStream( Args const &args ) : TokenStream( args.m_args.begin(), args.m_args.end() ) {}
  
          TokenStream( Iterator it, Iterator itEnd ) : it( it ), itEnd( itEnd ) {
              loadBuffer();
          }
  
          explicit operator bool() const {
              return !m_tokenBuffer.empty() || it != itEnd;
          }
  
          auto count() const -> size_t { return m_tokenBuffer.size() + (itEnd - it); }
  
          auto operator*() const -> Token {
              assert( !m_tokenBuffer.empty() );
              return m_tokenBuffer.front();
          }
  
          auto operator->() const -> Token const * {
              assert( !m_tokenBuffer.empty() );
              return &m_tokenBuffer.front();
          }
  
          auto operator++() -> TokenStream & {
              if( m_tokenBuffer.size() >= 2 ) {
                  m_tokenBuffer.erase( m_tokenBuffer.begin() );
              } else {
                  if( it != itEnd )
                      ++it;
                  loadBuffer();
              }
              return *this;
          }
      };
  
      class ResultBase {
      public:
          enum Type {
              Ok, LogicError, RuntimeError
          };
  
      protected:
          ResultBase( Type type ) : m_type( type ) {}
          virtual ~ResultBase() = default;
  
          virtual void enforceOk() const = 0;
  
          Type m_type;
      };
  
      template<typename T>
      class ResultValueBase : public ResultBase {
      public:
          auto value() const -> T const & {
              enforceOk();
              return m_value;
          }
  
      protected:
          ResultValueBase( Type type ) : ResultBase( type ) {}
  
          ResultValueBase( ResultValueBase const &other ) : ResultBase( other ) {
              if( m_type == ResultBase::Ok )
                  new( &m_value ) T( other.m_value );
          }
  
          ResultValueBase( Type, T const &value ) : ResultBase( Ok ) {
              new( &m_value ) T( value );
          }
  
          auto operator=( ResultValueBase const &other ) -> ResultValueBase & {
              if( m_type == ResultBase::Ok )
                  m_value.~T();
              ResultBase::operator=(other);
              if( m_type == ResultBase::Ok )
                  new( &m_value ) T( other.m_value );
              return *this;
          }
  
          ~ResultValueBase() override {
              if( m_type == Ok )
                  m_value.~T();
          }
  
          union {
              T m_value;
          };
      };
  
      template<>
      class ResultValueBase<void> : public ResultBase {
      protected:
          using ResultBase::ResultBase;
      };
  
      template<typename T = void>
      class BasicResult : public ResultValueBase<T> {
      public:
          template<typename U>
          explicit BasicResult( BasicResult<U> const &other )
          :   ResultValueBase<T>( other.type() ),
              m_errorMessage( other.errorMessage() )
          {
              assert( type() != ResultBase::Ok );
          }
  
          template<typename U>
          static auto ok( U const &value ) -> BasicResult { return { ResultBase::Ok, value }; }
          static auto ok() -> BasicResult { return { ResultBase::Ok }; }
          static auto logicError( std::string const &message ) -> BasicResult { return { ResultBase::LogicError, message }; }
          static auto runtimeError( std::string const &message ) -> BasicResult { return { ResultBase::RuntimeError, message }; }
  
          explicit operator bool() const { return m_type == ResultBase::Ok; }
          auto type() const -> ResultBase::Type { return m_type; }
          auto errorMessage() const -> std::string { return m_errorMessage; }
  
      protected:
          void enforceOk() const override {
  
              // Errors shouldn't reach this point, but if they do
              // the actual error message will be in m_errorMessage
              assert( m_type != ResultBase::LogicError );
              assert( m_type != ResultBase::RuntimeError );
              if( m_type != ResultBase::Ok )
                  std::abort();
          }
  
          std::string m_errorMessage; // Only populated if resultType is an error
  
          BasicResult( ResultBase::Type type, std::string const &message )
          :   ResultValueBase<T>(type),
              m_errorMessage(message)
          {
              assert( m_type != ResultBase::Ok );
          }
  
          using ResultValueBase<T>::ResultValueBase;
          using ResultBase::m_type;
      };
  
      enum class ParseResultType {
          Matched, NoMatch, ShortCircuitAll, ShortCircuitSame
      };
  
      class ParseState {
      public:
  
          ParseState( ParseResultType type, TokenStream const &remainingTokens )
          : m_type(type),
            m_remainingTokens( remainingTokens )
          {}
  
          auto type() const -> ParseResultType { return m_type; }
          auto remainingTokens() const -> TokenStream { return m_remainingTokens; }
  
      private:
          ParseResultType m_type;
          TokenStream m_remainingTokens;
      };
  
      using Result = BasicResult<void>;
      using ParserResult = BasicResult<ParseResultType>;
      using InternalParseResult = BasicResult<ParseState>;
  
      struct HelpColumns {
          std::string left;
          std::string right;
      };
  
      template<typename T>
      inline auto convertInto( std::string const &source, T& target ) -> ParserResult {
          std::stringstream ss;
          ss << source;
          ss >> target;
          if( ss.fail() )
              return ParserResult::runtimeError( "Unable to convert '" + source + "' to destination type" );
          else
              return ParserResult::ok( ParseResultType::Matched );
      }
      inline auto convertInto( std::string const &source, std::string& target ) -> ParserResult {
          target = source;
          return ParserResult::ok( ParseResultType::Matched );
      }
      inline auto convertInto( std::string const &source, bool &target ) -> ParserResult {
          std::string srcLC = source;
          std::transform( srcLC.begin(), srcLC.end(), srcLC.begin(), []( char c ) { return static_cast<char>( std::tolower(c) ); } );
          if (srcLC == "y" || srcLC == "1" || srcLC == "true" || srcLC == "yes" || srcLC == "on")
              target = true;
          else if (srcLC == "n" || srcLC == "0" || srcLC == "false" || srcLC == "no" || srcLC == "off")
              target = false;
          else
              return ParserResult::runtimeError( "Expected a boolean value but did not recognise: '" + source + "'" );
          return ParserResult::ok( ParseResultType::Matched );
      }
  #ifdef CLARA_CONFIG_OPTIONAL_TYPE
      template<typename T>
      inline auto convertInto( std::string const &source, CLARA_CONFIG_OPTIONAL_TYPE<T>& target ) -> ParserResult {
          T temp;
          auto result = convertInto( source, temp );
          if( result )
              target = std::move(temp);
          return result;
      }
  #endif // CLARA_CONFIG_OPTIONAL_TYPE
  
      struct NonCopyable {
          NonCopyable() = default;
          NonCopyable( NonCopyable const & ) = delete;
          NonCopyable( NonCopyable && ) = delete;
          NonCopyable &operator=( NonCopyable const & ) = delete;
          NonCopyable &operator=( NonCopyable && ) = delete;
      };
  
      struct BoundRef : NonCopyable {
          virtual ~BoundRef() = default;
          virtual auto isContainer() const -> bool { return false; }
          virtual auto isFlag() const -> bool { return false; }
      };
      struct BoundValueRefBase : BoundRef {
          virtual auto setValue( std::string const &arg ) -> ParserResult = 0;
      };
      struct BoundFlagRefBase : BoundRef {
          virtual auto setFlag( bool flag ) -> ParserResult = 0;
          virtual auto isFlag() const -> bool { return true; }
      };
  
      template<typename T>
      struct BoundValueRef : BoundValueRefBase {
          T &m_ref;
  
          explicit BoundValueRef( T &ref ) : m_ref( ref ) {}
  
          auto setValue( std::string const &arg ) -> ParserResult override {
              return convertInto( arg, m_ref );
          }
      };
  
      template<typename T>
      struct BoundValueRef<std::vector<T>> : BoundValueRefBase {
          std::vector<T> &m_ref;
  
          explicit BoundValueRef( std::vector<T> &ref ) : m_ref( ref ) {}
  
          auto isContainer() const -> bool override { return true; }
  
          auto setValue( std::string const &arg ) -> ParserResult override {
              T temp;
              auto result = convertInto( arg, temp );
              if( result )
                  m_ref.push_back( temp );
              return result;
          }
      };
  
      struct BoundFlagRef : BoundFlagRefBase {
          bool &m_ref;
  
          explicit BoundFlagRef( bool &ref ) : m_ref( ref ) {}
  
          auto setFlag( bool flag ) -> ParserResult override {
              m_ref = flag;
              return ParserResult::ok( ParseResultType::Matched );
          }
      };
  
      template<typename ReturnType>
      struct LambdaInvoker {
          static_assert( std::is_same<ReturnType, ParserResult>::value, "Lambda must return void or clara::ParserResult" );
  
          template<typename L, typename ArgType>
          static auto invoke( L const &lambda, ArgType const &arg ) -> ParserResult {
              return lambda( arg );
          }
      };
  
      template<>
      struct LambdaInvoker<void> {
          template<typename L, typename ArgType>
          static auto invoke( L const &lambda, ArgType const &arg ) -> ParserResult {
              lambda( arg );
              return ParserResult::ok( ParseResultType::Matched );
          }
      };
  
      template<typename ArgType, typename L>
      inline auto invokeLambda( L const &lambda, std::string const &arg ) -> ParserResult {
          ArgType temp{};
          auto result = convertInto( arg, temp );
          return !result
             ? result
             : LambdaInvoker<typename UnaryLambdaTraits<L>::ReturnType>::invoke( lambda, temp );
      }
  
      template<typename L>
      struct BoundLambda : BoundValueRefBase {
          L m_lambda;
  
          static_assert( UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument" );
          explicit BoundLambda( L const &lambda ) : m_lambda( lambda ) {}
  
          auto setValue( std::string const &arg ) -> ParserResult override {
              return invokeLambda<typename UnaryLambdaTraits<L>::ArgType>( m_lambda, arg );
          }
      };
  
      template<typename L>
      struct BoundFlagLambda : BoundFlagRefBase {
          L m_lambda;
  
          static_assert( UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument" );
          static_assert( std::is_same<typename UnaryLambdaTraits<L>::ArgType, bool>::value, "flags must be boolean" );
  
          explicit BoundFlagLambda( L const &lambda ) : m_lambda( lambda ) {}
  
          auto setFlag( bool flag ) -> ParserResult override {
              return LambdaInvoker<typename UnaryLambdaTraits<L>::ReturnType>::invoke( m_lambda, flag );
          }
      };
  
      enum class Optionality { Optional, Required };
  
      struct Parser;
  
      class ParserBase {
      public:
          virtual ~ParserBase() = default;
          virtual auto validate() const -> Result { return Result::ok(); }
          virtual auto parse( std::string const& exeName, TokenStream const &tokens) const -> InternalParseResult  = 0;
          virtual auto cardinality() const -> size_t { return 1; }
  
          auto parse( Args const &args ) const -> InternalParseResult {
              return parse( args.exeName(), TokenStream( args ) );
          }
      };
  
      template<typename DerivedT>
      class ComposableParserImpl : public ParserBase {
      public:
          template<typename T>
          auto operator|( T const &other ) const -> Parser;
  
  		template<typename T>
          auto operator+( T const &other ) const -> Parser;
      };
  
      // Common code and state for Args and Opts
      template<typename DerivedT>
      class ParserRefImpl : public ComposableParserImpl<DerivedT> {
      protected:
          Optionality m_optionality = Optionality::Optional;
          std::shared_ptr<BoundRef> m_ref;
          std::string m_hint;
          std::string m_description;
  
          explicit ParserRefImpl( std::shared_ptr<BoundRef> const &ref ) : m_ref( ref ) {}
  
      public:
          template<typename T>
          ParserRefImpl( T &ref, std::string const &hint )
          :   m_ref( std::make_shared<BoundValueRef<T>>( ref ) ),
              m_hint( hint )
          {}
  
          template<typename LambdaT>
          ParserRefImpl( LambdaT const &ref, std::string const &hint )
          :   m_ref( std::make_shared<BoundLambda<LambdaT>>( ref ) ),
              m_hint(hint)
          {}
  
          auto operator()( std::string const &description ) -> DerivedT & {
              m_description = description;
              return static_cast<DerivedT &>( *this );
          }
  
          auto optional() -> DerivedT & {
              m_optionality = Optionality::Optional;
              return static_cast<DerivedT &>( *this );
          };
  
          auto required() -> DerivedT & {
              m_optionality = Optionality::Required;
              return static_cast<DerivedT &>( *this );
          };
  
          auto isOptional() const -> bool {
              return m_optionality == Optionality::Optional;
          }
  
          auto cardinality() const -> size_t override {
              if( m_ref->isContainer() )
                  return 0;
              else
                  return 1;
          }
  
          auto hint() const -> std::string { return m_hint; }
      };
  
      class ExeName : public ComposableParserImpl<ExeName> {
          std::shared_ptr<std::string> m_name;
          std::shared_ptr<BoundValueRefBase> m_ref;
  
          template<typename LambdaT>
          static auto makeRef(LambdaT const &lambda) -> std::shared_ptr<BoundValueRefBase> {
              return std::make_shared<BoundLambda<LambdaT>>( lambda) ;
          }
  
      public:
          ExeName() : m_name( std::make_shared<std::string>( "<executable>" ) ) {}
  
          explicit ExeName( std::string &ref ) : ExeName() {
              m_ref = std::make_shared<BoundValueRef<std::string>>( ref );
          }
  
          template<typename LambdaT>
          explicit ExeName( LambdaT const& lambda ) : ExeName() {
              m_ref = std::make_shared<BoundLambda<LambdaT>>( lambda );
          }
  
          // The exe name is not parsed out of the normal tokens, but is handled specially
          auto parse( std::string const&, TokenStream const &tokens ) const -> InternalParseResult override {
              return InternalParseResult::ok( ParseState( ParseResultType::NoMatch, tokens ) );
          }
  
          auto name() const -> std::string { return *m_name; }
          auto set( std::string const& newName ) -> ParserResult {
  
              auto lastSlash = newName.find_last_of( "\\/" );
              auto filename = ( lastSlash == std::string::npos )
                      ? newName
                      : newName.substr( lastSlash+1 );
  
              *m_name = filename;
              if( m_ref )
                  return m_ref->setValue( filename );
              else
                  return ParserResult::ok( ParseResultType::Matched );
          }
      };
  
      class Arg : public ParserRefImpl<Arg> {
      public:
          using ParserRefImpl::ParserRefImpl;
  
          auto parse( std::string const &, TokenStream const &tokens ) const -> InternalParseResult override {
              auto validationResult = validate();
              if( !validationResult )
                  return InternalParseResult( validationResult );
  
              auto remainingTokens = tokens;
              auto const &token = *remainingTokens;
              if( token.type != TokenType::Argument )
                  return InternalParseResult::ok( ParseState( ParseResultType::NoMatch, remainingTokens ) );
  
              assert( !m_ref->isFlag() );
              auto valueRef = static_cast<detail::BoundValueRefBase*>( m_ref.get() );
  
              auto result = valueRef->setValue( remainingTokens->token );
              if( !result )
                  return InternalParseResult( result );
              else
                  return InternalParseResult::ok( ParseState( ParseResultType::Matched, ++remainingTokens ) );
          }
      };
  
      inline auto normaliseOpt( std::string const &optName ) -> std::string {
  #ifdef CATCH_PLATFORM_WINDOWS
          if( optName[0] == '/' )
              return "-" + optName.substr( 1 );
          else
  #endif
              return optName;
      }
  
      class Opt : public ParserRefImpl<Opt> {
      protected:
          std::vector<std::string> m_optNames;
  
      public:
          template<typename LambdaT>
          explicit Opt( LambdaT const &ref ) : ParserRefImpl( std::make_shared<BoundFlagLambda<LambdaT>>( ref ) ) {}
  
          explicit Opt( bool &ref ) : ParserRefImpl( std::make_shared<BoundFlagRef>( ref ) ) {}
  
          template<typename LambdaT>
          Opt( LambdaT const &ref, std::string const &hint ) : ParserRefImpl( ref, hint ) {}
  
          template<typename T>
          Opt( T &ref, std::string const &hint ) : ParserRefImpl( ref, hint ) {}
  
          auto operator[]( std::string const &optName ) -> Opt & {
              m_optNames.push_back( optName );
              return *this;
          }
  
          auto getHelpColumns() const -> std::vector<HelpColumns> {
              std::ostringstream oss;
              bool first = true;
              for( auto const &opt : m_optNames ) {
                  if (first)
                      first = false;
                  else
                      oss << ", ";
                  oss << opt;
              }
              if( !m_hint.empty() )
                  oss << " <" << m_hint << ">";
              return { { oss.str(), m_description } };
          }
  
          auto isMatch( std::string const &optToken ) const -> bool {
              auto normalisedToken = normaliseOpt( optToken );
              for( auto const &name : m_optNames ) {
                  if( normaliseOpt( name ) == normalisedToken )
                      return true;
              }
              return false;
          }
  
          using ParserBase::parse;
  
          auto parse( std::string const&, TokenStream const &tokens ) const -> InternalParseResult override {
              auto validationResult = validate();
              if( !validationResult )
                  return InternalParseResult( validationResult );
  
              auto remainingTokens = tokens;
              if( remainingTokens && remainingTokens->type == TokenType::Option ) {
                  auto const &token = *remainingTokens;
                  if( isMatch(token.token ) ) {
                      if( m_ref->isFlag() ) {
                          auto flagRef = static_cast<detail::BoundFlagRefBase*>( m_ref.get() );
                          auto result = flagRef->setFlag( true );
                          if( !result )
                              return InternalParseResult( result );
                          if( result.value() == ParseResultType::ShortCircuitAll )
                              return InternalParseResult::ok( ParseState( result.value(), remainingTokens ) );
                      } else {
                          auto valueRef = static_cast<detail::BoundValueRefBase*>( m_ref.get() );
                          ++remainingTokens;
                          if( !remainingTokens )
                              return InternalParseResult::runtimeError( "Expected argument following " + token.token );
                          auto const &argToken = *remainingTokens;
                          if( argToken.type != TokenType::Argument )
                              return InternalParseResult::runtimeError( "Expected argument following " + token.token );
                          auto result = valueRef->setValue( argToken.token );
                          if( !result )
                              return InternalParseResult( result );
                          if( result.value() == ParseResultType::ShortCircuitAll )
                              return InternalParseResult::ok( ParseState( result.value(), remainingTokens ) );
                      }
                      return InternalParseResult::ok( ParseState( ParseResultType::Matched, ++remainingTokens ) );
                  }
              }
              return InternalParseResult::ok( ParseState( ParseResultType::NoMatch, remainingTokens ) );
          }
  
          auto validate() const -> Result override {
              if( m_optNames.empty() )
                  return Result::logicError( "No options supplied to Opt" );
              for( auto const &name : m_optNames ) {
                  if( name.empty() )
                      return Result::logicError( "Option name cannot be empty" );
  #ifdef CATCH_PLATFORM_WINDOWS
                  if( name[0] != '-' && name[0] != '/' )
                      return Result::logicError( "Option name must begin with '-' or '/'" );
  #else
                  if( name[0] != '-' )
                      return Result::logicError( "Option name must begin with '-'" );
  #endif
              }
              return ParserRefImpl::validate();
          }
      };
  
      struct Help : Opt {
          Help( bool &showHelpFlag )
          :   Opt([&]( bool flag ) {
                  showHelpFlag = flag;
                  return ParserResult::ok( ParseResultType::ShortCircuitAll );
              })
          {
              static_cast<Opt &>( *this )
                      ("display usage information")
                      ["-?"]["-h"]["--help"]
                      .optional();
          }
      };
  
      struct Parser : ParserBase {
  
          mutable ExeName m_exeName;
          std::vector<Opt> m_options;
          std::vector<Arg> m_args;
  
          auto operator|=( ExeName const &exeName ) -> Parser & {
              m_exeName = exeName;
              return *this;
          }
  
          auto operator|=( Arg const &arg ) -> Parser & {
              m_args.push_back(arg);
              return *this;
          }
  
          auto operator|=( Opt const &opt ) -> Parser & {
              m_options.push_back(opt);
              return *this;
          }
  
          auto operator|=( Parser const &other ) -> Parser & {
              m_options.insert(m_options.end(), other.m_options.begin(), other.m_options.end());
              m_args.insert(m_args.end(), other.m_args.begin(), other.m_args.end());
              return *this;
          }
  
          template<typename T>
          auto operator|( T const &other ) const -> Parser {
              return Parser( *this ) |= other;
          }
  
          // Forward deprecated interface with '+' instead of '|'
          template<typename T>
          auto operator+=( T const &other ) -> Parser & { return operator|=( other ); }
          template<typename T>
          auto operator+( T const &other ) const -> Parser { return operator|( other ); }
  
          auto getHelpColumns() const -> std::vector<HelpColumns> {
              std::vector<HelpColumns> cols;
              for (auto const &o : m_options) {
                  auto childCols = o.getHelpColumns();
                  cols.insert( cols.end(), childCols.begin(), childCols.end() );
              }
              return cols;
          }
  
          void writeToStream( std::ostream &os ) const {
              if (!m_exeName.name().empty()) {
                  os << "usage:\n" << "  " << m_exeName.name() << " ";
                  bool required = true, first = true;
                  for( auto const &arg : m_args ) {
                      if (first)
                          first = false;
                      else
                          os << " ";
                      if( arg.isOptional() && required ) {
                          os << "[";
                          required = false;
                      }
                      os << "<" << arg.hint() << ">";
                      if( arg.cardinality() == 0 )
                          os << " ... ";
                  }
                  if( !required )
                      os << "]";
                  if( !m_options.empty() )
                      os << " options";
                  os << "\n\nwhere options are:" << std::endl;
              }
  
              auto rows = getHelpColumns();
              size_t consoleWidth = CATCH_CLARA_CONFIG_CONSOLE_WIDTH;
              size_t optWidth = 0;
              for( auto const &cols : rows )
                  optWidth = (std::max)(optWidth, cols.left.size() + 2);
  
              optWidth = (std::min)(optWidth, consoleWidth/2);
  
              for( auto const &cols : rows ) {
                  auto row =
                          TextFlow::Column( cols.left ).width( optWidth ).indent( 2 ) +
                          TextFlow::Spacer(4) +
                          TextFlow::Column( cols.right ).width( consoleWidth - 7 - optWidth );
                  os << row << std::endl;
              }
          }
  
          friend auto operator<<( std::ostream &os, Parser const &parser ) -> std::ostream& {
              parser.writeToStream( os );
              return os;
          }
  
          auto validate() const -> Result override {
              for( auto const &opt : m_options ) {
                  auto result = opt.validate();
                  if( !result )
                      return result;
              }
              for( auto const &arg : m_args ) {
                  auto result = arg.validate();
                  if( !result )
                      return result;
              }
              return Result::ok();
          }
  
          using ParserBase::parse;
  
          auto parse( std::string const& exeName, TokenStream const &tokens ) const -> InternalParseResult override {
  
              struct ParserInfo {
                  ParserBase const* parser = nullptr;
                  size_t count = 0;
              };
              const size_t totalParsers = m_options.size() + m_args.size();
              assert( totalParsers < 512 );
              // ParserInfo parseInfos[totalParsers]; // <-- this is what we really want to do
              ParserInfo parseInfos[512];
  
              {
                  size_t i = 0;
                  for (auto const &opt : m_options) parseInfos[i++].parser = &opt;
                  for (auto const &arg : m_args) parseInfos[i++].parser = &arg;
              }
  
              m_exeName.set( exeName );
  
              auto result = InternalParseResult::ok( ParseState( ParseResultType::NoMatch, tokens ) );
              while( result.value().remainingTokens() ) {
                  bool tokenParsed = false;
  
                  for( size_t i = 0; i < totalParsers; ++i ) {
                      auto&  parseInfo = parseInfos[i];
                      if( parseInfo.parser->cardinality() == 0 || parseInfo.count < parseInfo.parser->cardinality() ) {
                          result = parseInfo.parser->parse(exeName, result.value().remainingTokens());
                          if (!result)
                              return result;
                          if (result.value().type() != ParseResultType::NoMatch) {
                              tokenParsed = true;
                              ++parseInfo.count;
                              break;
                          }
                      }
                  }
  
                  if( result.value().type() == ParseResultType::ShortCircuitAll )
                      return result;
                  if( !tokenParsed )
                      return InternalParseResult::runtimeError( "Unrecognised token: " + result.value().remainingTokens()->token );
              }
              // !TBD Check missing required options
              return result;
          }
      };
  
      template<typename DerivedT>
      template<typename T>
      auto ComposableParserImpl<DerivedT>::operator|( T const &other ) const -> Parser {
          return Parser() | static_cast<DerivedT const &>( *this ) | other;
      }
  } // namespace detail
  
  // A Combined parser
  using detail::Parser;
  
  // A parser for options
  using detail::Opt;
  
  // A parser for arguments
  using detail::Arg;
  
  // Wrapper for argc, argv from main()
  using detail::Args;
  
  // Specifies the name of the executable
  using detail::ExeName;
  
  // Convenience wrapper for option parser that specifies the help option
  using detail::Help;
  
  // enum of result types from a parse
  using detail::ParseResultType;
  
  // Result type for parser operation
  using detail::ParserResult;
  
  }} // namespace Catch::clara
  
  // end clara.hpp
  #ifdef __clang__
  #pragma clang diagnostic pop
  #endif
  
  // Restore Clara's value for console width, if present
  #ifdef CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
  #define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
  #undef CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
  #endif
  
  // end catch_clara.h
  namespace Catch {
  
      clara::Parser makeCommandLineParser( ConfigData& config );
  
  } // end namespace Catch
  
  // end catch_commandline.h
  #include <fstream>
  #include <ctime>
  
  namespace Catch {
  
      clara::Parser makeCommandLineParser( ConfigData& config ) {
  
          using namespace clara;
  
          auto const setWarning = [&]( std::string const& warning ) {
                  auto warningSet = [&]() {
                      if( warning == "NoAssertions" )
                          return WarnAbout::NoAssertions;
  
                      if ( warning == "NoTests" )
                          return WarnAbout::NoTests;
  
                      return WarnAbout::Nothing;
                  }();
  
                  if (warningSet == WarnAbout::Nothing)
                      return ParserResult::runtimeError( "Unrecognised warning: '" + warning + "'" );
                  config.warnings = static_cast<WarnAbout::What>( config.warnings | warningSet );
                  return ParserResult::ok( ParseResultType::Matched );
              };
          auto const loadTestNamesFromFile = [&]( std::string const& filename ) {
                  std::ifstream f( filename.c_str() );
                  if( !f.is_open() )
                      return ParserResult::runtimeError( "Unable to load input file: '" + filename + "'" );
  
                  std::string line;
                  while( std::getline( f, line ) ) {
                      line = trim(line);
                      if( !line.empty() && !startsWith( line, '#' ) ) {
                          if( !startsWith( line, '"' ) )
                              line = '"' + line + '"';
                          config.testsOrTags.push_back( line );
                          config.testsOrTags.push_back( "," );
  
                      }
                  }
                  //Remove comma in the end
                  if(!config.testsOrTags.empty())
                      config.testsOrTags.erase( config.testsOrTags.end()-1 );
  
                  return ParserResult::ok( ParseResultType::Matched );
              };
          auto const setTestOrder = [&]( std::string const& order ) {
                  if( startsWith( "declared", order ) )
                      config.runOrder = RunTests::InDeclarationOrder;
                  else if( startsWith( "lexical", order ) )
                      config.runOrder = RunTests::InLexicographicalOrder;
                  else if( startsWith( "random", order ) )
                      config.runOrder = RunTests::InRandomOrder;
                  else
                      return clara::ParserResult::runtimeError( "Unrecognised ordering: '" + order + "'" );
                  return ParserResult::ok( ParseResultType::Matched );
              };
          auto const setRngSeed = [&]( std::string const& seed ) {
                  if( seed != "time" )
                      return clara::detail::convertInto( seed, config.rngSeed );
                  config.rngSeed = static_cast<unsigned int>( std::time(nullptr) );
                  return ParserResult::ok( ParseResultType::Matched );
              };
          auto const setColourUsage = [&]( std::string const& useColour ) {
                      auto mode = toLower( useColour );
  
                      if( mode == "yes" )
                          config.useColour = UseColour::Yes;
                      else if( mode == "no" )
                          config.useColour = UseColour::No;
                      else if( mode == "auto" )
                          config.useColour = UseColour::Auto;
                      else
                          return ParserResult::runtimeError( "colour mode must be one of: auto, yes or no. '" + useColour + "' not recognised" );
                  return ParserResult::ok( ParseResultType::Matched );
              };
          auto const setWaitForKeypress = [&]( std::string const& keypress ) {
                  auto keypressLc = toLower( keypress );
                  if( keypressLc == "start" )
                      config.waitForKeypress = WaitForKeypress::BeforeStart;
                  else if( keypressLc == "exit" )
                      config.waitForKeypress = WaitForKeypress::BeforeExit;
                  else if( keypressLc == "both" )
                      config.waitForKeypress = WaitForKeypress::BeforeStartAndExit;
                  else
                      return ParserResult::runtimeError( "keypress argument must be one of: start, exit or both. '" + keypress + "' not recognised" );
              return ParserResult::ok( ParseResultType::Matched );
              };
          auto const setVerbosity = [&]( std::string const& verbosity ) {
              auto lcVerbosity = toLower( verbosity );
              if( lcVerbosity == "quiet" )
                  config.verbosity = Verbosity::Quiet;
              else if( lcVerbosity == "normal" )
                  config.verbosity = Verbosity::Normal;
              else if( lcVerbosity == "high" )
                  config.verbosity = Verbosity::High;
              else
                  return ParserResult::runtimeError( "Unrecognised verbosity, '" + verbosity + "'" );
              return ParserResult::ok( ParseResultType::Matched );
          };
          auto const setReporter = [&]( std::string const& reporter ) {
              IReporterRegistry::FactoryMap const& factories = getRegistryHub().getReporterRegistry().getFactories();
  
              auto lcReporter = toLower( reporter );
              auto result = factories.find( lcReporter );
  
              if( factories.end() != result )
                  config.reporterName = lcReporter;
              else
                  return ParserResult::runtimeError( "Unrecognized reporter, '" + reporter + "'. Check available with --list-reporters" );
              return ParserResult::ok( ParseResultType::Matched );
          };
  
          auto cli
              = ExeName( config.processName )
              | Help( config.showHelp )
              | Opt( config.listTests )
                  ["-l"]["--list-tests"]
                  ( "list all/matching test cases" )
              | Opt( config.listTags )
                  ["-t"]["--list-tags"]
                  ( "list all/matching tags" )
              | Opt( config.showSuccessfulTests )
                  ["-s"]["--success"]
                  ( "include successful tests in output" )
              | Opt( config.shouldDebugBreak )
                  ["-b"]["--break"]
                  ( "break into debugger on failure" )
              | Opt( config.noThrow )
                  ["-e"]["--nothrow"]
                  ( "skip exception tests" )
              | Opt( config.showInvisibles )
                  ["-i"]["--invisibles"]
                  ( "show invisibles (tabs, newlines)" )
              | Opt( config.outputFilename, "filename" )
                  ["-o"]["--out"]
                  ( "output filename" )
              | Opt( setReporter, "name" )
                  ["-r"]["--reporter"]
                  ( "reporter to use (defaults to console)" )
              | Opt( config.name, "name" )
                  ["-n"]["--name"]
                  ( "suite name" )
              | Opt( [&]( bool ){ config.abortAfter = 1; } )
                  ["-a"]["--abort"]
                  ( "abort at first failure" )
              | Opt( [&]( int x ){ config.abortAfter = x; }, "no. failures" )
                  ["-x"]["--abortx"]
                  ( "abort after x failures" )
              | Opt( setWarning, "warning name" )
                  ["-w"]["--warn"]
                  ( "enable warnings" )
              | Opt( [&]( bool flag ) { config.showDurations = flag ? ShowDurations::Always : ShowDurations::Never; }, "yes|no" )
                  ["-d"]["--durations"]
                  ( "show test durations" )
              | Opt( loadTestNamesFromFile, "filename" )
                  ["-f"]["--input-file"]
                  ( "load test names to run from a file" )
              | Opt( config.filenamesAsTags )
                  ["-#"]["--filenames-as-tags"]
                  ( "adds a tag for the filename" )
              | Opt( config.sectionsToRun, "section name" )
                  ["-c"]["--section"]
                  ( "specify section to run" )
              | Opt( setVerbosity, "quiet|normal|high" )
                  ["-v"]["--verbosity"]
                  ( "set output verbosity" )
              | Opt( config.listTestNamesOnly )
                  ["--list-test-names-only"]
                  ( "list all/matching test cases names only" )
              | Opt( config.listReporters )
                  ["--list-reporters"]
                  ( "list all reporters" )
              | Opt( setTestOrder, "decl|lex|rand" )
                  ["--order"]
                  ( "test case order (defaults to decl)" )
              | Opt( setRngSeed, "'time'|number" )
                  ["--rng-seed"]
                  ( "set a specific seed for random numbers" )
              | Opt( setColourUsage, "yes|no" )
                  ["--use-colour"]
                  ( "should output be colourised" )
              | Opt( config.libIdentify )
                  ["--libidentify"]
                  ( "report name and version according to libidentify standard" )
              | Opt( setWaitForKeypress, "start|exit|both" )
                  ["--wait-for-keypress"]
                  ( "waits for a keypress before exiting" )
              | Opt( config.benchmarkSamples, "samples" )
                  ["--benchmark-samples"]
                  ( "number of samples to collect (default: 100)" )
              | Opt( config.benchmarkResamples, "resamples" )
                  ["--benchmark-resamples"]
                  ( "number of resamples for the bootstrap (default: 100000)" )
              | Opt( config.benchmarkConfidenceInterval, "confidence interval" )
                  ["--benchmark-confidence-interval"]
                  ( "confidence interval for the bootstrap (between 0 and 1, default: 0.95)" )
              | Opt( config.benchmarkNoAnalysis )
                  ["--benchmark-no-analysis"]
                  ( "perform only measurements; do not perform any analysis" )
  			| Arg( config.testsOrTags, "test name|pattern|tags" )
                  ( "which test or tests to use" );
  
          return cli;
      }
  
  } // end namespace Catch
  // end catch_commandline.cpp
  // start catch_common.cpp
  
  #include <cstring>
  #include <ostream>
  
  namespace Catch {
  
      bool SourceLineInfo::operator == ( SourceLineInfo const& other ) const noexcept {
          return line == other.line && (file == other.file || std::strcmp(file, other.file) == 0);
      }
      bool SourceLineInfo::operator < ( SourceLineInfo const& other ) const noexcept {
          // We can assume that the same file will usually have the same pointer.
          // Thus, if the pointers are the same, there is no point in calling the strcmp
          return line < other.line || ( line == other.line && file != other.file && (std::strcmp(file, other.file) < 0));
      }
  
      std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info ) {
  #ifndef __GNUG__
          os << info.file << '(' << info.line << ')';
  #else
          os << info.file << ':' << info.line;
  #endif
          return os;
      }
  
      std::string StreamEndStop::operator+() const {
          return std::string();
      }
  
      NonCopyable::NonCopyable() = default;
      NonCopyable::~NonCopyable() = default;
  
  }
  // end catch_common.cpp
  // start catch_config.cpp
  
  namespace Catch {
  
      Config::Config( ConfigData const& data )
      :   m_data( data ),
          m_stream( openStream() )
      {
          // We need to trim filter specs to avoid trouble with superfluous
          // whitespace (esp. important for bdd macros, as those are manually
          // aligned with whitespace).
  
          for (auto& elem : m_data.testsOrTags) {
              elem = trim(elem);
          }
          for (auto& elem : m_data.sectionsToRun) {
              elem = trim(elem);
          }
  
          TestSpecParser parser(ITagAliasRegistry::get());
          if (!m_data.testsOrTags.empty()) {
              m_hasTestFilters = true;
              for (auto const& testOrTags : m_data.testsOrTags) {
                  parser.parse(testOrTags);
              }
          }
          m_testSpec = parser.testSpec();
      }
  
      std::string const& Config::getFilename() const {
          return m_data.outputFilename ;
      }
  
      bool Config::listTests() const          { return m_data.listTests; }
      bool Config::listTestNamesOnly() const  { return m_data.listTestNamesOnly; }
      bool Config::listTags() const           { return m_data.listTags; }
      bool Config::listReporters() const      { return m_data.listReporters; }
  
      std::string Config::getProcessName() const { return m_data.processName; }
      std::string const& Config::getReporterName() const { return m_data.reporterName; }
  
      std::vector<std::string> const& Config::getTestsOrTags() const { return m_data.testsOrTags; }
      std::vector<std::string> const& Config::getSectionsToRun() const { return m_data.sectionsToRun; }
  
      TestSpec const& Config::testSpec() const { return m_testSpec; }
      bool Config::hasTestFilters() const { return m_hasTestFilters; }
  
      bool Config::showHelp() const { return m_data.showHelp; }
  
      // IConfig interface
      bool Config::allowThrows() const                   { return !m_data.noThrow; }
      std::ostream& Config::stream() const               { return m_stream->stream(); }
      std::string Config::name() const                   { return m_data.name.empty() ? m_data.processName : m_data.name; }
      bool Config::includeSuccessfulResults() const      { return m_data.showSuccessfulTests; }
      bool Config::warnAboutMissingAssertions() const    { return !!(m_data.warnings & WarnAbout::NoAssertions); }
      bool Config::warnAboutNoTests() const              { return !!(m_data.warnings & WarnAbout::NoTests); }
      ShowDurations::OrNot Config::showDurations() const { return m_data.showDurations; }
      RunTests::InWhatOrder Config::runOrder() const     { return m_data.runOrder; }
      unsigned int Config::rngSeed() const               { return m_data.rngSeed; }
      UseColour::YesOrNo Config::useColour() const       { return m_data.useColour; }
      bool Config::shouldDebugBreak() const              { return m_data.shouldDebugBreak; }
      int Config::abortAfter() const                     { return m_data.abortAfter; }
      bool Config::showInvisibles() const                { return m_data.showInvisibles; }
      Verbosity Config::verbosity() const                { return m_data.verbosity; }
  
      bool Config::benchmarkNoAnalysis() const           { return m_data.benchmarkNoAnalysis; }
      int Config::benchmarkSamples() const               { return m_data.benchmarkSamples; }
      double Config::benchmarkConfidenceInterval() const { return m_data.benchmarkConfidenceInterval; }
      unsigned int Config::benchmarkResamples() const    { return m_data.benchmarkResamples; }
  
      IStream const* Config::openStream() {
          return Catch::makeStream(m_data.outputFilename);
      }
  
  } // end namespace Catch
  // end catch_config.cpp
  // start catch_console_colour.cpp
  
  #if defined(__clang__)
  #    pragma clang diagnostic push
  #    pragma clang diagnostic ignored "-Wexit-time-destructors"
  #endif
  
  // start catch_errno_guard.h
  
  namespace Catch {
  
      class ErrnoGuard {
      public:
          ErrnoGuard();
          ~ErrnoGuard();
      private:
          int m_oldErrno;
      };
  
  }
  
  // end catch_errno_guard.h
  #include <sstream>
  
  namespace Catch {
      namespace {
  
          struct IColourImpl {
              virtual ~IColourImpl() = default;
              virtual void use( Colour::Code _colourCode ) = 0;
          };
  
          struct NoColourImpl : IColourImpl {
              void use( Colour::Code ) {}
  
              static IColourImpl* instance() {
                  static NoColourImpl s_instance;
                  return &s_instance;
              }
          };
  
      } // anon namespace
  } // namespace Catch
  
  #if !defined( CATCH_CONFIG_COLOUR_NONE ) && !defined( CATCH_CONFIG_COLOUR_WINDOWS ) && !defined( CATCH_CONFIG_COLOUR_ANSI )
  #   ifdef CATCH_PLATFORM_WINDOWS
  #       define CATCH_CONFIG_COLOUR_WINDOWS
  #   else
  #       define CATCH_CONFIG_COLOUR_ANSI
  #   endif
  #endif
  
  #if defined ( CATCH_CONFIG_COLOUR_WINDOWS ) /////////////////////////////////////////
  
  namespace Catch {
  namespace {
  
      class Win32ColourImpl : public IColourImpl {
      public:
          Win32ColourImpl() : stdoutHandle( GetStdHandle(STD_OUTPUT_HANDLE) )
          {
              CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
              GetConsoleScreenBufferInfo( stdoutHandle, &csbiInfo );
              originalForegroundAttributes = csbiInfo.wAttributes & ~( BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_BLUE | BACKGROUND_INTENSITY );
              originalBackgroundAttributes = csbiInfo.wAttributes & ~( FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY );
          }
  
          void use( Colour::Code _colourCode ) override {
              switch( _colourCode ) {
                  case Colour::None:      return setTextAttribute( originalForegroundAttributes );
                  case Colour::White:     return setTextAttribute( FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE );
                  case Colour::Red:       return setTextAttribute( FOREGROUND_RED );
                  case Colour::Green:     return setTextAttribute( FOREGROUND_GREEN );
                  case Colour::Blue:      return setTextAttribute( FOREGROUND_BLUE );
                  case Colour::Cyan:      return setTextAttribute( FOREGROUND_BLUE | FOREGROUND_GREEN );
                  case Colour::Yellow:    return setTextAttribute( FOREGROUND_RED | FOREGROUND_GREEN );
                  case Colour::Grey:      return setTextAttribute( 0 );
  
                  case Colour::LightGrey:     return setTextAttribute( FOREGROUND_INTENSITY );
                  case Colour::BrightRed:     return setTextAttribute( FOREGROUND_INTENSITY | FOREGROUND_RED );
                  case Colour::BrightGreen:   return setTextAttribute( FOREGROUND_INTENSITY | FOREGROUND_GREEN );
                  case Colour::BrightWhite:   return setTextAttribute( FOREGROUND_INTENSITY | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE );
                  case Colour::BrightYellow:  return setTextAttribute( FOREGROUND_INTENSITY | FOREGROUND_RED | FOREGROUND_GREEN );
  
                  case Colour::Bright: CATCH_INTERNAL_ERROR( "not a colour" );
  
                  default:
                      CATCH_ERROR( "Unknown colour requested" );
              }
          }
  
      private:
          void setTextAttribute( WORD _textAttribute ) {
              SetConsoleTextAttribute( stdoutHandle, _textAttribute | originalBackgroundAttributes );
          }
          HANDLE stdoutHandle;
          WORD originalForegroundAttributes;
          WORD originalBackgroundAttributes;
      };
  
      IColourImpl* platformColourInstance() {
          static Win32ColourImpl s_instance;
  
          IConfigPtr config = getCurrentContext().getConfig();
          UseColour::YesOrNo colourMode = config
              ? config->useColour()
              : UseColour::Auto;
          if( colourMode == UseColour::Auto )
              colourMode = UseColour::Yes;
          return colourMode == UseColour::Yes
              ? &s_instance
              : NoColourImpl::instance();
      }
  
  } // end anon namespace
  } // end namespace Catch
  
  #elif defined( CATCH_CONFIG_COLOUR_ANSI ) //////////////////////////////////////
  
  #include <unistd.h>
  
  namespace Catch {
  namespace {
  
      // use POSIX/ ANSI console terminal codes
      // Thanks to Adam Strzelecki for original contribution
      // (http://github.com/nanoant)
      // https://github.com/philsquared/Catch/pull/131
      class PosixColourImpl : public IColourImpl {
      public:
          void use( Colour::Code _colourCode ) override {
              switch( _colourCode ) {
                  case Colour::None:
                  case Colour::White:     return setColour( "[0m" );
                  case Colour::Red:       return setColour( "[0;31m" );
                  case Colour::Green:     return setColour( "[0;32m" );
                  case Colour::Blue:      return setColour( "[0;34m" );
                  case Colour::Cyan:      return setColour( "[0;36m" );
                  case Colour::Yellow:    return setColour( "[0;33m" );
                  case Colour::Grey:      return setColour( "[1;30m" );
  
                  case Colour::LightGrey:     return setColour( "[0;37m" );
                  case Colour::BrightRed:     return setColour( "[1;31m" );
                  case Colour::BrightGreen:   return setColour( "[1;32m" );
                  case Colour::BrightWhite:   return setColour( "[1;37m" );
                  case Colour::BrightYellow:  return setColour( "[1;33m" );
  
                  case Colour::Bright: CATCH_INTERNAL_ERROR( "not a colour" );
                  default: CATCH_INTERNAL_ERROR( "Unknown colour requested" );
              }
          }
          static IColourImpl* instance() {
              static PosixColourImpl s_instance;
              return &s_instance;
          }
  
      private:
          void setColour( const char* _escapeCode ) {
              getCurrentContext().getConfig()->stream()
                  << '\033' << _escapeCode;
          }
      };
  
      bool useColourOnPlatform() {
          return
  #if defined(CATCH_PLATFORM_MAC) || defined(CATCH_PLATFORM_IPHONE)
              !isDebuggerActive() &&
  #endif
  #if !(defined(__DJGPP__) && defined(__STRICT_ANSI__))
              isatty(STDOUT_FILENO)
  #else
              false
  #endif
              ;
      }
      IColourImpl* platformColourInstance() {
          ErrnoGuard guard;
          IConfigPtr config = getCurrentContext().getConfig();
          UseColour::YesOrNo colourMode = config
              ? config->useColour()
              : UseColour::Auto;
          if( colourMode == UseColour::Auto )
              colourMode = useColourOnPlatform()
                  ? UseColour::Yes
                  : UseColour::No;
          return colourMode == UseColour::Yes
              ? PosixColourImpl::instance()
              : NoColourImpl::instance();
      }
  
  } // end anon namespace
  } // end namespace Catch
  
  #else  // not Windows or ANSI ///////////////////////////////////////////////
  
  namespace Catch {
  
      static IColourImpl* platformColourInstance() { return NoColourImpl::instance(); }
  
  } // end namespace Catch
  
  #endif // Windows/ ANSI/ None
  
  namespace Catch {
  
      Colour::Colour( Code _colourCode ) { use( _colourCode ); }
      Colour::Colour( Colour&& rhs ) noexcept {
          m_moved = rhs.m_moved;
          rhs.m_moved = true;
      }
      Colour& Colour::operator=( Colour&& rhs ) noexcept {
          m_moved = rhs.m_moved;
          rhs.m_moved  = true;
          return *this;
      }
  
      Colour::~Colour(){ if( !m_moved ) use( None ); }
  
      void Colour::use( Code _colourCode ) {
          static IColourImpl* impl = platformColourInstance();
          // Strictly speaking, this cannot possibly happen.
          // However, under some conditions it does happen (see #1626),
          // and this change is small enough that we can let practicality
          // triumph over purity in this case.
          if (impl != NULL) {
              impl->use( _colourCode );
          }
      }
  
      std::ostream& operator << ( std::ostream& os, Colour const& ) {
          return os;
      }
  
  } // end namespace Catch
  
  #if defined(__clang__)
  #    pragma clang diagnostic pop
  #endif
  
  // end catch_console_colour.cpp
  // start catch_context.cpp
  
  namespace Catch {
  
      class Context : public IMutableContext, NonCopyable {
  
      public: // IContext
          IResultCapture* getResultCapture() override {
              return m_resultCapture;
          }
          IRunner* getRunner() override {
              return m_runner;
          }
  
          IConfigPtr const& getConfig() const override {
              return m_config;
          }
  
          ~Context() override;
  
      public: // IMutableContext
          void setResultCapture( IResultCapture* resultCapture ) override {
              m_resultCapture = resultCapture;
          }
          void setRunner( IRunner* runner ) override {
              m_runner = runner;
          }
          void setConfig( IConfigPtr const& config ) override {
              m_config = config;
          }
  
          friend IMutableContext& getCurrentMutableContext();
  
      private:
          IConfigPtr m_config;
          IRunner* m_runner = nullptr;
          IResultCapture* m_resultCapture = nullptr;
      };
  
      IMutableContext *IMutableContext::currentContext = nullptr;
  
      void IMutableContext::createContext()
      {
          currentContext = new Context();
      }
  
      void cleanUpContext() {
          delete IMutableContext::currentContext;
          IMutableContext::currentContext = nullptr;
      }
      IContext::~IContext() = default;
      IMutableContext::~IMutableContext() = default;
      Context::~Context() = default;
  
      SimplePcg32& rng() {
          static SimplePcg32 s_rng;
          return s_rng;
      }
  
  }
  // end catch_context.cpp
  // start catch_debug_console.cpp
  
  // start catch_debug_console.h
  
  #include <string>
  
  namespace Catch {
      void writeToDebugConsole( std::string const& text );
  }
  
  // end catch_debug_console.h
  #if defined(CATCH_CONFIG_ANDROID_LOGWRITE)
  #include <android/log.h>
  
      namespace Catch {
          void writeToDebugConsole( std::string const& text ) {
              __android_log_write( ANDROID_LOG_DEBUG, "Catch", text.c_str() );
          }
      }
  
  #elif defined(CATCH_PLATFORM_WINDOWS)
  
      namespace Catch {
          void writeToDebugConsole( std::string const& text ) {
              ::OutputDebugStringA( text.c_str() );
          }
      }
  
  #else
  
      namespace Catch {
          void writeToDebugConsole( std::string const& text ) {
              // !TBD: Need a version for Mac/ XCode and other IDEs
              Catch::cout() << text;
          }
      }
  
  #endif // Platform
  // end catch_debug_console.cpp
  // start catch_debugger.cpp
  
  #if defined(CATCH_PLATFORM_MAC) || defined(CATCH_PLATFORM_IPHONE)
  
  #  include <assert.h>
  #  include <stdbool.h>
  #  include <sys/types.h>
  #  include <unistd.h>
  #  include <cstddef>
  #  include <ostream>
  
  #ifdef __apple_build_version__
      // These headers will only compile with AppleClang (XCode)
      // For other compilers (Clang, GCC, ... ) we need to exclude them
  #  include <sys/sysctl.h>
  #endif
  
      namespace Catch {
          #ifdef __apple_build_version__
          // The following function is taken directly from the following technical note:
          // https://developer.apple.com/library/archive/qa/qa1361/_index.html
  
          // Returns true if the current process is being debugged (either
          // running under the debugger or has a debugger attached post facto).
          bool isDebuggerActive(){
              int                 mib[4];
              struct kinfo_proc   info;
              std::size_t         size;
  
              // Initialize the flags so that, if sysctl fails for some bizarre
              // reason, we get a predictable result.
  
              info.kp_proc.p_flag = 0;
  
              // Initialize mib, which tells sysctl the info we want, in this case
              // we're looking for information about a specific process ID.
  
              mib[0] = CTL_KERN;
              mib[1] = KERN_PROC;
              mib[2] = KERN_PROC_PID;
              mib[3] = getpid();
  
              // Call sysctl.
  
              size = sizeof(info);
              if( sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, nullptr, 0) != 0 ) {
                  Catch::cerr() << "\n** Call to sysctl failed - unable to determine if debugger is active **\n" << std::endl;
                  return false;
              }
  
              // We're being debugged if the P_TRACED flag is set.
  
              return ( (info.kp_proc.p_flag & P_TRACED) != 0 );
          }
          #else
          bool isDebuggerActive() {
              // We need to find another way to determine this for non-appleclang compilers on macOS
              return false;
          }
          #endif
      } // namespace Catch
  
  #elif defined(CATCH_PLATFORM_LINUX)
      #include <fstream>
      #include <string>
  
      namespace Catch{
          // The standard POSIX way of detecting a debugger is to attempt to
          // ptrace() the process, but this needs to be done from a child and not
          // this process itself to still allow attaching to this process later
          // if wanted, so is rather heavy. Under Linux we have the PID of the
          // "debugger" (which doesn't need to be gdb, of course, it could also
          // be strace, for example) in /proc/$PID/status, so just get it from
          // there instead.
          bool isDebuggerActive(){
              // Libstdc++ has a bug, where std::ifstream sets errno to 0
              // This way our users can properly assert over errno values
              ErrnoGuard guard;
              std::ifstream in("/proc/self/status");
              for( std::string line; std::getline(in, line); ) {
                  static const int PREFIX_LEN = 11;
                  if( line.compare(0, PREFIX_LEN, "TracerPid:\t") == 0 ) {
                      // We're traced if the PID is not 0 and no other PID starts
                      // with 0 digit, so it's enough to check for just a single
                      // character.
                      return line.length() > PREFIX_LEN && line[PREFIX_LEN] != '0';
                  }
              }
  
              return false;
          }
      } // namespace Catch
  #elif defined(_MSC_VER)
      extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
      namespace Catch {
          bool isDebuggerActive() {
              return IsDebuggerPresent() != 0;
          }
      }
  #elif defined(__MINGW32__)
      extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
      namespace Catch {
          bool isDebuggerActive() {
              return IsDebuggerPresent() != 0;
          }
      }
  #else
      namespace Catch {
         bool isDebuggerActive() { return false; }
      }
  #endif // Platform
  // end catch_debugger.cpp
  // start catch_decomposer.cpp
  
  namespace Catch {
  
      ITransientExpression::~ITransientExpression() = default;
  
      void formatReconstructedExpression( std::ostream &os, std::string const& lhs, StringRef op, std::string const& rhs ) {
          if( lhs.size() + rhs.size() < 40 &&
                  lhs.find('\n') == std::string::npos &&
                  rhs.find('\n') == std::string::npos )
              os << lhs << " " << op << " " << rhs;
          else
              os << lhs << "\n" << op << "\n" << rhs;
      }
  }
  // end catch_decomposer.cpp
  // start catch_enforce.cpp
  
  #include <stdexcept>
  
  namespace Catch {
  #if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS) && !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS_CUSTOM_HANDLER)
      [[noreturn]]
      void throw_exception(std::exception const& e) {
          Catch::cerr() << "Catch will terminate because it needed to throw an exception.\n"
                        << "The message was: " << e.what() << '\n';
          std::terminate();
      }
  #endif
  
      [[noreturn]]
      void throw_logic_error(std::string const& msg) {
          throw_exception(std::logic_error(msg));
      }
  
      [[noreturn]]
      void throw_domain_error(std::string const& msg) {
          throw_exception(std::domain_error(msg));
      }
  
      [[noreturn]]
      void throw_runtime_error(std::string const& msg) {
          throw_exception(std::runtime_error(msg));
      }
  
  } // namespace Catch;
  // end catch_enforce.cpp
  // start catch_enum_values_registry.cpp
  // start catch_enum_values_registry.h
  
  #include <vector>
  #include <memory>
  
  namespace Catch {
  
      namespace Detail {
  
          std::unique_ptr<EnumInfo> makeEnumInfo( StringRef enumName, StringRef allValueNames, std::vector<int> const& values );
  
          class EnumValuesRegistry : public IMutableEnumValuesRegistry {
  
              std::vector<std::unique_ptr<EnumInfo>> m_enumInfos;
  
              EnumInfo const& registerEnum( StringRef enumName, StringRef allEnums, std::vector<int> const& values) override;
          };
  
          std::vector<StringRef> parseEnums( StringRef enums );
  
      } // Detail
  
  } // Catch
  
  // end catch_enum_values_registry.h
  
  #include <map>
  #include <cassert>
  
  namespace Catch {
  
      IMutableEnumValuesRegistry::~IMutableEnumValuesRegistry() {}
  
      namespace Detail {
  
          namespace {
              // Extracts the actual name part of an enum instance
              // In other words, it returns the Blue part of Bikeshed::Colour::Blue
              StringRef extractInstanceName(StringRef enumInstance) {
                  // Find last occurence of ":"
                  size_t name_start = enumInstance.size();
                  while (name_start > 0 && enumInstance[name_start - 1] != ':') {
                      --name_start;
                  }
                  return enumInstance.substr(name_start, enumInstance.size() - name_start);
              }
          }
  
          std::vector<StringRef> parseEnums( StringRef enums ) {
              auto enumValues = splitStringRef( enums, ',' );
              std::vector<StringRef> parsed;
              parsed.reserve( enumValues.size() );
              for( auto const& enumValue : enumValues ) {
                  parsed.push_back(trim(extractInstanceName(enumValue)));
              }
              return parsed;
          }
  
          EnumInfo::~EnumInfo() {}
  
          StringRef EnumInfo::lookup( int value ) const {
              for( auto const& valueToName : m_values ) {
                  if( valueToName.first == value )
                      return valueToName.second;
              }
              return "{** unexpected enum value **}"_sr;
          }
  
          std::unique_ptr<EnumInfo> makeEnumInfo( StringRef enumName, StringRef allValueNames, std::vector<int> const& values ) {
              std::unique_ptr<EnumInfo> enumInfo( new EnumInfo );
              enumInfo->m_name = enumName;
              enumInfo->m_values.reserve( values.size() );
  
              const auto valueNames = Catch::Detail::parseEnums( allValueNames );
              assert( valueNames.size() == values.size() );
              std::size_t i = 0;
              for( auto value : values )
                  enumInfo->m_values.push_back({ value, valueNames[i++] });
  
              return enumInfo;
          }
  
          EnumInfo const& EnumValuesRegistry::registerEnum( StringRef enumName, StringRef allValueNames, std::vector<int> const& values ) {
              m_enumInfos.push_back(makeEnumInfo(enumName, allValueNames, values));
              return *m_enumInfos.back();
          }
  
      } // Detail
  } // Catch
  
  // end catch_enum_values_registry.cpp
  // start catch_errno_guard.cpp
  
  #include <cerrno>
  
  namespace Catch {
          ErrnoGuard::ErrnoGuard():m_oldErrno(errno){}
          ErrnoGuard::~ErrnoGuard() { errno = m_oldErrno; }
  }
  // end catch_errno_guard.cpp
  // start catch_exception_translator_registry.cpp
  
  // start catch_exception_translator_registry.h
  
  #include <vector>
  #include <string>
  #include <memory>
  
  namespace Catch {
  
      class ExceptionTranslatorRegistry : public IExceptionTranslatorRegistry {
      public:
          ~ExceptionTranslatorRegistry();
          virtual void registerTranslator( const IExceptionTranslator* translator );
          std::string translateActiveException() const override;
          std::string tryTranslators() const;
  
      private:
          std::vector<std::unique_ptr<IExceptionTranslator const>> m_translators;
      };
  }
  
  // end catch_exception_translator_registry.h
  #ifdef __OBJC__
  #import "Foundation/Foundation.h"
  #endif
  
  namespace Catch {
  
      ExceptionTranslatorRegistry::~ExceptionTranslatorRegistry() {
      }
  
      void ExceptionTranslatorRegistry::registerTranslator( const IExceptionTranslator* translator ) {
          m_translators.push_back( std::unique_ptr<const IExceptionTranslator>( translator ) );
      }
  
  #if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
      std::string ExceptionTranslatorRegistry::translateActiveException() const {
          try {
  #ifdef __OBJC__
              // In Objective-C try objective-c exceptions first
              @try {
                  return tryTranslators();
              }
              @catch (NSException *exception) {
                  return Catch::Detail::stringify( [exception description] );
              }
  #else
              // Compiling a mixed mode project with MSVC means that CLR
              // exceptions will be caught in (...) as well. However, these
              // do not fill-in std::current_exception and thus lead to crash
              // when attempting rethrow.
              // /EHa switch also causes structured exceptions to be caught
              // here, but they fill-in current_exception properly, so
              // at worst the output should be a little weird, instead of
              // causing a crash.
              if (std::current_exception() == nullptr) {
                  return "Non C++ exception. Possibly a CLR exception.";
              }
              return tryTranslators();
  #endif
          }
          catch( TestFailureException& ) {
              std::rethrow_exception(std::current_exception());
          }
          catch( std::exception& ex ) {
              return ex.what();
          }
          catch( std::string& msg ) {
              return msg;
          }
          catch( const char* msg ) {
              return msg;
          }
          catch(...) {
              return "Unknown exception";
          }
      }
  
      std::string ExceptionTranslatorRegistry::tryTranslators() const {
          if (m_translators.empty()) {
              std::rethrow_exception(std::current_exception());
          } else {
              return m_translators[0]->translate(m_translators.begin() + 1, m_translators.end());
          }
      }
  
  #else // ^^ Exceptions are enabled // Exceptions are disabled vv
      std::string ExceptionTranslatorRegistry::translateActiveException() const {
          CATCH_INTERNAL_ERROR("Attempted to translate active exception under CATCH_CONFIG_DISABLE_EXCEPTIONS!");
      }
  
      std::string ExceptionTranslatorRegistry::tryTranslators() const {
          CATCH_INTERNAL_ERROR("Attempted to use exception translators under CATCH_CONFIG_DISABLE_EXCEPTIONS!");
      }
  #endif
  
  }
  // end catch_exception_translator_registry.cpp
  // start catch_fatal_condition.cpp
  
  #if defined(__GNUC__)
  #    pragma GCC diagnostic push
  #    pragma GCC diagnostic ignored "-Wmissing-field-initializers"
  #endif
  
  #if defined( CATCH_CONFIG_WINDOWS_SEH ) || defined( CATCH_CONFIG_POSIX_SIGNALS )
  
  namespace {
      // Report the error condition
      void reportFatal( char const * const message ) {
          Catch::getCurrentContext().getResultCapture()->handleFatalErrorCondition( message );
      }
  }
  
  #endif // signals/SEH handling
  
  #if defined( CATCH_CONFIG_WINDOWS_SEH )
  
  namespace Catch {
      struct SignalDefs { DWORD id; const char* name; };
  
      // There is no 1-1 mapping between signals and windows exceptions.
      // Windows can easily distinguish between SO and SigSegV,
      // but SigInt, SigTerm, etc are handled differently.
      static SignalDefs signalDefs[] = {
          { static_cast<DWORD>(EXCEPTION_ILLEGAL_INSTRUCTION),  "SIGILL - Illegal instruction signal" },
          { static_cast<DWORD>(EXCEPTION_STACK_OVERFLOW), "SIGSEGV - Stack overflow" },
          { static_cast<DWORD>(EXCEPTION_ACCESS_VIOLATION), "SIGSEGV - Segmentation violation signal" },
          { static_cast<DWORD>(EXCEPTION_INT_DIVIDE_BY_ZERO), "Divide by zero error" },
      };
  
      LONG CALLBACK FatalConditionHandler::handleVectoredException(PEXCEPTION_POINTERS ExceptionInfo) {
          for (auto const& def : signalDefs) {
              if (ExceptionInfo->ExceptionRecord->ExceptionCode == def.id) {
                  reportFatal(def.name);
              }
          }
          // If its not an exception we care about, pass it along.
          // This stops us from eating debugger breaks etc.
          return EXCEPTION_CONTINUE_SEARCH;
      }
  
      FatalConditionHandler::FatalConditionHandler() {
          isSet = true;
          // 32k seems enough for Catch to handle stack overflow,
          // but the value was found experimentally, so there is no strong guarantee
          guaranteeSize = 32 * 1024;
          exceptionHandlerHandle = nullptr;
          // Register as first handler in current chain
          exceptionHandlerHandle = AddVectoredExceptionHandler(1, handleVectoredException);
          // Pass in guarantee size to be filled
          SetThreadStackGuarantee(&guaranteeSize);
      }
  
      void FatalConditionHandler::reset() {
          if (isSet) {
              RemoveVectoredExceptionHandler(exceptionHandlerHandle);
              SetThreadStackGuarantee(&guaranteeSize);
              exceptionHandlerHandle = nullptr;
              isSet = false;
          }
      }
  
      FatalConditionHandler::~FatalConditionHandler() {
          reset();
      }
  
  bool FatalConditionHandler::isSet = false;
  ULONG FatalConditionHandler::guaranteeSize = 0;
  PVOID FatalConditionHandler::exceptionHandlerHandle = nullptr;
  
  } // namespace Catch
  
  #elif defined( CATCH_CONFIG_POSIX_SIGNALS )
  
  namespace Catch {
  
      struct SignalDefs {
          int id;
          const char* name;
      };
  
      // 32kb for the alternate stack seems to be sufficient. However, this value
      // is experimentally determined, so that's not guaranteed.
      static constexpr std::size_t sigStackSize = 32768 >= MINSIGSTKSZ ? 32768 : MINSIGSTKSZ;
  
      static SignalDefs signalDefs[] = {
          { SIGINT,  "SIGINT - Terminal interrupt signal" },
          { SIGILL,  "SIGILL - Illegal instruction signal" },
          { SIGFPE,  "SIGFPE - Floating point error signal" },
          { SIGSEGV, "SIGSEGV - Segmentation violation signal" },
          { SIGTERM, "SIGTERM - Termination request signal" },
          { SIGABRT, "SIGABRT - Abort (abnormal termination) signal" }
      };
  
      void FatalConditionHandler::handleSignal( int sig ) {
          char const * name = "<unknown signal>";
          for (auto const& def : signalDefs) {
              if (sig == def.id) {
                  name = def.name;
                  break;
              }
          }
          reset();
          reportFatal(name);
          raise( sig );
      }
  
      FatalConditionHandler::FatalConditionHandler() {
          isSet = true;
          stack_t sigStack;
          sigStack.ss_sp = altStackMem;
          sigStack.ss_size = sigStackSize;
          sigStack.ss_flags = 0;
          sigaltstack(&sigStack, &oldSigStack);
          struct sigaction sa = { };
  
          sa.sa_handler = handleSignal;
          sa.sa_flags = SA_ONSTACK;
          for (std::size_t i = 0; i < sizeof(signalDefs)/sizeof(SignalDefs); ++i) {
              sigaction(signalDefs[i].id, &sa, &oldSigActions[i]);
          }
      }
  
      FatalConditionHandler::~FatalConditionHandler() {
          reset();
      }
  
      void FatalConditionHandler::reset() {
          if( isSet ) {
              // Set signals back to previous values -- hopefully nobody overwrote them in the meantime
              for( std::size_t i = 0; i < sizeof(signalDefs)/sizeof(SignalDefs); ++i ) {
                  sigaction(signalDefs[i].id, &oldSigActions[i], nullptr);
              }
              // Return the old stack
              sigaltstack(&oldSigStack, nullptr);
              isSet = false;
          }
      }
  
      bool FatalConditionHandler::isSet = false;
      struct sigaction FatalConditionHandler::oldSigActions[sizeof(signalDefs)/sizeof(SignalDefs)] = {};
      stack_t FatalConditionHandler::oldSigStack = {};
      char FatalConditionHandler::altStackMem[sigStackSize] = {};
  
  } // namespace Catch
  
  #else
  
  namespace Catch {
      void FatalConditionHandler::reset() {}
  }
  
  #endif // signals/SEH handling
  
  #if defined(__GNUC__)
  #    pragma GCC diagnostic pop
  #endif
  // end catch_fatal_condition.cpp
  // start catch_generators.cpp
  
  #include <limits>
  #include <set>
  
  namespace Catch {
  
  IGeneratorTracker::~IGeneratorTracker() {}
  
  const char* GeneratorException::what() const noexcept {
      return m_msg;
  }
  
  namespace Generators {
  
      GeneratorUntypedBase::~GeneratorUntypedBase() {}
  
      auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& {
          return getResultCapture().acquireGeneratorTracker( lineInfo );
      }
  
  } // namespace Generators
  } // namespace Catch
  // end catch_generators.cpp
  // start catch_interfaces_capture.cpp
  
  namespace Catch {
      IResultCapture::~IResultCapture() = default;
  }
  // end catch_interfaces_capture.cpp
  // start catch_interfaces_config.cpp
  
  namespace Catch {
      IConfig::~IConfig() = default;
  }
  // end catch_interfaces_config.cpp
  // start catch_interfaces_exception.cpp
  
  namespace Catch {
      IExceptionTranslator::~IExceptionTranslator() = default;
      IExceptionTranslatorRegistry::~IExceptionTranslatorRegistry() = default;
  }
  // end catch_interfaces_exception.cpp
  // start catch_interfaces_registry_hub.cpp
  
  namespace Catch {
      IRegistryHub::~IRegistryHub() = default;
      IMutableRegistryHub::~IMutableRegistryHub() = default;
  }
  // end catch_interfaces_registry_hub.cpp
  // start catch_interfaces_reporter.cpp
  
  // start catch_reporter_listening.h
  
  namespace Catch {
  
      class ListeningReporter : public IStreamingReporter {
          using Reporters = std::vector<IStreamingReporterPtr>;
          Reporters m_listeners;
          IStreamingReporterPtr m_reporter = nullptr;
          ReporterPreferences m_preferences;
  
      public:
          ListeningReporter();
  
          void addListener( IStreamingReporterPtr&& listener );
          void addReporter( IStreamingReporterPtr&& reporter );
  
      public: // IStreamingReporter
  
          ReporterPreferences getPreferences() const override;
  
          void noMatchingTestCases( std::string const& spec ) override;
  
          void reportInvalidArguments(std::string const&arg) override;
  
          static std::set<Verbosity> getSupportedVerbosities();
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
          void benchmarkPreparing(std::string const& name) override;
          void benchmarkStarting( BenchmarkInfo const& benchmarkInfo ) override;
          void benchmarkEnded( BenchmarkStats<> const& benchmarkStats ) override;
          void benchmarkFailed(std::string const&) override;
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
          void testRunStarting( TestRunInfo const& testRunInfo ) override;
          void testGroupStarting( GroupInfo const& groupInfo ) override;
          void testCaseStarting( TestCaseInfo const& testInfo ) override;
          void sectionStarting( SectionInfo const& sectionInfo ) override;
          void assertionStarting( AssertionInfo const& assertionInfo ) override;
  
          // The return value indicates if the messages buffer should be cleared:
          bool assertionEnded( AssertionStats const& assertionStats ) override;
          void sectionEnded( SectionStats const& sectionStats ) override;
          void testCaseEnded( TestCaseStats const& testCaseStats ) override;
          void testGroupEnded( TestGroupStats const& testGroupStats ) override;
          void testRunEnded( TestRunStats const& testRunStats ) override;
  
          void skipTest( TestCaseInfo const& testInfo ) override;
          bool isMulti() const override;
  
      };
  
  } // end namespace Catch
  
  // end catch_reporter_listening.h
  namespace Catch {
  
      ReporterConfig::ReporterConfig( IConfigPtr const& _fullConfig )
      :   m_stream( &_fullConfig->stream() ), m_fullConfig( _fullConfig ) {}
  
      ReporterConfig::ReporterConfig( IConfigPtr const& _fullConfig, std::ostream& _stream )
      :   m_stream( &_stream ), m_fullConfig( _fullConfig ) {}
  
      std::ostream& ReporterConfig::stream() const { return *m_stream; }
      IConfigPtr ReporterConfig::fullConfig() const { return m_fullConfig; }
  
      TestRunInfo::TestRunInfo( std::string const& _name ) : name( _name ) {}
  
      GroupInfo::GroupInfo(  std::string const& _name,
                             std::size_t _groupIndex,
                             std::size_t _groupsCount )
      :   name( _name ),
          groupIndex( _groupIndex ),
          groupsCounts( _groupsCount )
      {}
  
       AssertionStats::AssertionStats( AssertionResult const& _assertionResult,
                                       std::vector<MessageInfo> const& _infoMessages,
                                       Totals const& _totals )
      :   assertionResult( _assertionResult ),
          infoMessages( _infoMessages ),
          totals( _totals )
      {
          assertionResult.m_resultData.lazyExpression.m_transientExpression = _assertionResult.m_resultData.lazyExpression.m_transientExpression;
  
          if( assertionResult.hasMessage() ) {
              // Copy message into messages list.
              // !TBD This should have been done earlier, somewhere
              MessageBuilder builder( assertionResult.getTestMacroName(), assertionResult.getSourceInfo(), assertionResult.getResultType() );
              builder << assertionResult.getMessage();
              builder.m_info.message = builder.m_stream.str();
  
              infoMessages.push_back( builder.m_info );
          }
      }
  
       AssertionStats::~AssertionStats() = default;
  
      SectionStats::SectionStats(  SectionInfo const& _sectionInfo,
                                   Counts const& _assertions,
                                   double _durationInSeconds,
                                   bool _missingAssertions )
      :   sectionInfo( _sectionInfo ),
          assertions( _assertions ),
          durationInSeconds( _durationInSeconds ),
          missingAssertions( _missingAssertions )
      {}
  
      SectionStats::~SectionStats() = default;
  
      TestCaseStats::TestCaseStats(  TestCaseInfo const& _testInfo,
                                     Totals const& _totals,
                                     std::string const& _stdOut,
                                     std::string const& _stdErr,
                                     bool _aborting )
      : testInfo( _testInfo ),
          totals( _totals ),
          stdOut( _stdOut ),
          stdErr( _stdErr ),
          aborting( _aborting )
      {}
  
      TestCaseStats::~TestCaseStats() = default;
  
      TestGroupStats::TestGroupStats( GroupInfo const& _groupInfo,
                                      Totals const& _totals,
                                      bool _aborting )
      :   groupInfo( _groupInfo ),
          totals( _totals ),
          aborting( _aborting )
      {}
  
      TestGroupStats::TestGroupStats( GroupInfo const& _groupInfo )
      :   groupInfo( _groupInfo ),
          aborting( false )
      {}
  
      TestGroupStats::~TestGroupStats() = default;
  
      TestRunStats::TestRunStats(   TestRunInfo const& _runInfo,
                      Totals const& _totals,
                      bool _aborting )
      :   runInfo( _runInfo ),
          totals( _totals ),
          aborting( _aborting )
      {}
  
      TestRunStats::~TestRunStats() = default;
  
      void IStreamingReporter::fatalErrorEncountered( StringRef ) {}
      bool IStreamingReporter::isMulti() const { return false; }
  
      IReporterFactory::~IReporterFactory() = default;
      IReporterRegistry::~IReporterRegistry() = default;
  
  } // end namespace Catch
  // end catch_interfaces_reporter.cpp
  // start catch_interfaces_runner.cpp
  
  namespace Catch {
      IRunner::~IRunner() = default;
  }
  // end catch_interfaces_runner.cpp
  // start catch_interfaces_testcase.cpp
  
  namespace Catch {
      ITestInvoker::~ITestInvoker() = default;
      ITestCaseRegistry::~ITestCaseRegistry() = default;
  }
  // end catch_interfaces_testcase.cpp
  // start catch_leak_detector.cpp
  
  #ifdef CATCH_CONFIG_WINDOWS_CRTDBG
  #include <crtdbg.h>
  
  namespace Catch {
  
      LeakDetector::LeakDetector() {
          int flag = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
          flag |= _CRTDBG_LEAK_CHECK_DF;
          flag |= _CRTDBG_ALLOC_MEM_DF;
          _CrtSetDbgFlag(flag);
          _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
          _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
          // Change this to leaking allocation's number to break there
          _CrtSetBreakAlloc(-1);
      }
  }
  
  #else
  
      Catch::LeakDetector::LeakDetector() {}
  
  #endif
  
  Catch::LeakDetector::~LeakDetector() {
      Catch::cleanUp();
  }
  // end catch_leak_detector.cpp
  // start catch_list.cpp
  
  // start catch_list.h
  
  #include <set>
  
  namespace Catch {
  
      std::size_t listTests( Config const& config );
  
      std::size_t listTestsNamesOnly( Config const& config );
  
      struct TagInfo {
          void add( std::string const& spelling );
          std::string all() const;
  
          std::set<std::string> spellings;
          std::size_t count = 0;
      };
  
      std::size_t listTags( Config const& config );
  
      std::size_t listReporters();
  
      Option<std::size_t> list( std::shared_ptr<Config> const& config );
  
  } // end namespace Catch
  
  // end catch_list.h
  // start catch_text.h
  
  namespace Catch {
      using namespace clara::TextFlow;
  }
  
  // end catch_text.h
  #include <limits>
  #include <algorithm>
  #include <iomanip>
  
  namespace Catch {
  
      std::size_t listTests( Config const& config ) {
          TestSpec testSpec = config.testSpec();
          if( config.hasTestFilters() )
              Catch::cout() << "Matching test cases:\n";
          else {
              Catch::cout() << "All available test cases:\n";
          }
  
          auto matchedTestCases = filterTests( getAllTestCasesSorted( config ), testSpec, config );
          for( auto const& testCaseInfo : matchedTestCases ) {
              Colour::Code colour = testCaseInfo.isHidden()
                  ? Colour::SecondaryText
                  : Colour::None;
              Colour colourGuard( colour );
  
              Catch::cout() << Column( testCaseInfo.name ).initialIndent( 2 ).indent( 4 ) << "\n";
              if( config.verbosity() >= Verbosity::High ) {
                  Catch::cout() << Column( Catch::Detail::stringify( testCaseInfo.lineInfo ) ).indent(4) << std::endl;
                  std::string description = testCaseInfo.description;
                  if( description.empty() )
                      description = "(NO DESCRIPTION)";
                  Catch::cout() << Column( description ).indent(4) << std::endl;
              }
              if( !testCaseInfo.tags.empty() )
                  Catch::cout() << Column( testCaseInfo.tagsAsString() ).indent( 6 ) << "\n";
          }
  
          if( !config.hasTestFilters() )
              Catch::cout() << pluralise( matchedTestCases.size(), "test case" ) << '\n' << std::endl;
          else
              Catch::cout() << pluralise( matchedTestCases.size(), "matching test case" ) << '\n' << std::endl;
          return matchedTestCases.size();
      }
  
      std::size_t listTestsNamesOnly( Config const& config ) {
          TestSpec testSpec = config.testSpec();
          std::size_t matchedTests = 0;
          std::vector<TestCase> matchedTestCases = filterTests( getAllTestCasesSorted( config ), testSpec, config );
          for( auto const& testCaseInfo : matchedTestCases ) {
              matchedTests++;
              if( startsWith( testCaseInfo.name, '#' ) )
                 Catch::cout() << '"' << testCaseInfo.name << '"';
              else
                 Catch::cout() << testCaseInfo.name;
              if ( config.verbosity() >= Verbosity::High )
                  Catch::cout() << "\t@" << testCaseInfo.lineInfo;
              Catch::cout() << std::endl;
          }
          return matchedTests;
      }
  
      void TagInfo::add( std::string const& spelling ) {
          ++count;
          spellings.insert( spelling );
      }
  
      std::string TagInfo::all() const {
          size_t size = 0;
          for (auto const& spelling : spellings) {
              // Add 2 for the brackes
              size += spelling.size() + 2;
          }
  
          std::string out; out.reserve(size);
          for (auto const& spelling : spellings) {
              out += '[';
              out += spelling;
              out += ']';
          }
          return out;
      }
  
      std::size_t listTags( Config const& config ) {
          TestSpec testSpec = config.testSpec();
          if( config.hasTestFilters() )
              Catch::cout() << "Tags for matching test cases:\n";
          else {
              Catch::cout() << "All available tags:\n";
          }
  
          std::map<std::string, TagInfo> tagCounts;
  
          std::vector<TestCase> matchedTestCases = filterTests( getAllTestCasesSorted( config ), testSpec, config );
          for( auto const& testCase : matchedTestCases ) {
              for( auto const& tagName : testCase.getTestCaseInfo().tags ) {
                  std::string lcaseTagName = toLower( tagName );
                  auto countIt = tagCounts.find( lcaseTagName );
                  if( countIt == tagCounts.end() )
                      countIt = tagCounts.insert( std::make_pair( lcaseTagName, TagInfo() ) ).first;
                  countIt->second.add( tagName );
              }
          }
  
          for( auto const& tagCount : tagCounts ) {
              ReusableStringStream rss;
              rss << "  " << std::setw(2) << tagCount.second.count << "  ";
              auto str = rss.str();
              auto wrapper = Column( tagCount.second.all() )
                                                      .initialIndent( 0 )
                                                      .indent( str.size() )
                                                      .width( CATCH_CONFIG_CONSOLE_WIDTH-10 );
              Catch::cout() << str << wrapper << '\n';
          }
          Catch::cout() << pluralise( tagCounts.size(), "tag" ) << '\n' << std::endl;
          return tagCounts.size();
      }
  
      std::size_t listReporters() {
          Catch::cout() << "Available reporters:\n";
          IReporterRegistry::FactoryMap const& factories = getRegistryHub().getReporterRegistry().getFactories();
          std::size_t maxNameLen = 0;
          for( auto const& factoryKvp : factories )
              maxNameLen = (std::max)( maxNameLen, factoryKvp.first.size() );
  
          for( auto const& factoryKvp : factories ) {
              Catch::cout()
                      << Column( factoryKvp.first + ":" )
                              .indent(2)
                              .width( 5+maxNameLen )
                      +  Column( factoryKvp.second->getDescription() )
                              .initialIndent(0)
                              .indent(2)
                              .width( CATCH_CONFIG_CONSOLE_WIDTH - maxNameLen-8 )
                      << "\n";
          }
          Catch::cout() << std::endl;
          return factories.size();
      }
  
      Option<std::size_t> list( std::shared_ptr<Config> const& config ) {
          Option<std::size_t> listedCount;
          getCurrentMutableContext().setConfig( config );
          if( config->listTests() )
              listedCount = listedCount.valueOr(0) + listTests( *config );
          if( config->listTestNamesOnly() )
              listedCount = listedCount.valueOr(0) + listTestsNamesOnly( *config );
          if( config->listTags() )
              listedCount = listedCount.valueOr(0) + listTags( *config );
          if( config->listReporters() )
              listedCount = listedCount.valueOr(0) + listReporters();
          return listedCount;
      }
  
  } // end namespace Catch
  // end catch_list.cpp
  // start catch_matchers.cpp
  
  namespace Catch {
  namespace Matchers {
      namespace Impl {
  
          std::string MatcherUntypedBase::toString() const {
              if( m_cachedToString.empty() )
                  m_cachedToString = describe();
              return m_cachedToString;
          }
  
          MatcherUntypedBase::~MatcherUntypedBase() = default;
  
      } // namespace Impl
  } // namespace Matchers
  
  using namespace Matchers;
  using Matchers::Impl::MatcherBase;
  
  } // namespace Catch
  // end catch_matchers.cpp
  // start catch_matchers_exception.cpp
  
  namespace Catch {
  namespace Matchers {
  namespace Exception {
  
  bool ExceptionMessageMatcher::match(std::exception const& ex) const {
      return ex.what() == m_message;
  }
  
  std::string ExceptionMessageMatcher::describe() const {
      return "exception message matches \"" + m_message + "\"";
  }
  
  }
  Exception::ExceptionMessageMatcher Message(std::string const& message) {
      return Exception::ExceptionMessageMatcher(message);
  }
  
  // namespace Exception
  } // namespace Matchers
  } // namespace Catch
  // end catch_matchers_exception.cpp
  // start catch_matchers_floating.cpp
  
  // start catch_polyfills.hpp
  
  namespace Catch {
      bool isnan(float f);
      bool isnan(double d);
  }
  
  // end catch_polyfills.hpp
  // start catch_to_string.hpp
  
  #include <string>
  
  namespace Catch {
      template <typename T>
      std::string to_string(T const& t) {
  #if defined(CATCH_CONFIG_CPP11_TO_STRING)
          return std::to_string(t);
  #else
          ReusableStringStream rss;
          rss << t;
          return rss.str();
  #endif
      }
  } // end namespace Catch
  
  // end catch_to_string.hpp
  #include <algorithm>
  #include <cmath>
  #include <cstdlib>
  #include <cstdint>
  #include <cstring>
  #include <sstream>
  #include <type_traits>
  #include <iomanip>
  #include <limits>
  
  namespace Catch {
  namespace {
  
      int32_t convert(float f) {
          static_assert(sizeof(float) == sizeof(int32_t), "Important ULP matcher assumption violated");
          int32_t i;
          std::memcpy(&i, &f, sizeof(f));
          return i;
      }
  
      int64_t convert(double d) {
          static_assert(sizeof(double) == sizeof(int64_t), "Important ULP matcher assumption violated");
          int64_t i;
          std::memcpy(&i, &d, sizeof(d));
          return i;
      }
  
      template <typename FP>
      bool almostEqualUlps(FP lhs, FP rhs, uint64_t maxUlpDiff) {
          // Comparison with NaN should always be false.
          // This way we can rule it out before getting into the ugly details
          if (Catch::isnan(lhs) || Catch::isnan(rhs)) {
              return false;
          }
  
          auto lc = convert(lhs);
          auto rc = convert(rhs);
  
          if ((lc < 0) != (rc < 0)) {
              // Potentially we can have +0 and -0
              return lhs == rhs;
          }
  
          auto ulpDiff = std::abs(lc - rc);
          return static_cast<uint64_t>(ulpDiff) <= maxUlpDiff;
      }
  
  } //end anonymous namespace
  
  #if defined(CATCH_CONFIG_GLOBAL_NEXTAFTER)
  
  #if defined(__clang__)
  #pragma clang diagnostic push
  // The long double overload is currently unused
  #pragma clang diagnostic ignored "-Wunused-function"
  #endif
  
      float nextafter(float x, float y) {
          return ::nextafterf(x, y);
      }
  
      double nextafter(double x, double y) {
          return ::nextafter(x, y);
      }
  
      long double nextafter(long double x, long double y) {
          return ::nextafterl(x, y);
      }
  
  #if defined(__clang__)
  #pragma clang diagnostic pop
  #endif
  
  #endif // ^^^ CATCH_CONFIG_GLOBAL_NEXTAFTER ^^^
  
  namespace {
  
  template <typename FP>
  FP step(FP start, FP direction, uint64_t steps) {
      for (uint64_t i = 0; i < steps; ++i) {
  #if defined(CATCH_CONFIG_GLOBAL_NEXTAFTER)
          start = Catch::nextafter(start, direction);
  #else
          start = std::nextafter(start, direction);
  #endif
      }
      return start;
  }
  
  // Performs equivalent check of std::fabs(lhs - rhs) <= margin
  // But without the subtraction to allow for INFINITY in comparison
  bool marginComparison(double lhs, double rhs, double margin) {
      return (lhs + margin >= rhs) && (rhs + margin >= lhs);
  }
  
  template <typename FloatingPoint>
  void write(std::ostream& out, FloatingPoint num) {
      out << std::scientific
          << std::setprecision(std::numeric_limits<FloatingPoint>::max_digits10 - 1)
          << num;
  }
  
  } // end anonymous namespace
  
  namespace Matchers {
  namespace Floating {
  
      enum class FloatingPointKind : uint8_t {
          Float,
          Double
      };
  
      WithinAbsMatcher::WithinAbsMatcher(double target, double margin)
          :m_target{ target }, m_margin{ margin } {
          CATCH_ENFORCE(margin >= 0, "Invalid margin: " << margin << '.'
              << " Margin has to be non-negative.");
      }
  
      // Performs equivalent check of std::fabs(lhs - rhs) <= margin
      // But without the subtraction to allow for INFINITY in comparison
      bool WithinAbsMatcher::match(double const& matchee) const {
          return (matchee + m_margin >= m_target) && (m_target + m_margin >= matchee);
      }
  
      std::string WithinAbsMatcher::describe() const {
          return "is within " + ::Catch::Detail::stringify(m_margin) + " of " + ::Catch::Detail::stringify(m_target);
      }
  
      WithinUlpsMatcher::WithinUlpsMatcher(double target, uint64_t ulps, FloatingPointKind baseType)
          :m_target{ target }, m_ulps{ ulps }, m_type{ baseType } {
          CATCH_ENFORCE(m_type == FloatingPointKind::Double
                     || m_ulps < (std::numeric_limits<uint32_t>::max)(),
              "Provided ULP is impossibly large for a float comparison.");
      }
  
  #if defined(__clang__)
  #pragma clang diagnostic push
  // Clang <3.5 reports on the default branch in the switch below
  #pragma clang diagnostic ignored "-Wunreachable-code"
  #endif
  
      bool WithinUlpsMatcher::match(double const& matchee) const {
          switch (m_type) {
          case FloatingPointKind::Float:
              return almostEqualUlps<float>(static_cast<float>(matchee), static_cast<float>(m_target), m_ulps);
          case FloatingPointKind::Double:
              return almostEqualUlps<double>(matchee, m_target, m_ulps);
          default:
              CATCH_INTERNAL_ERROR( "Unknown FloatingPointKind value" );
          }
      }
  
  #if defined(__clang__)
  #pragma clang diagnostic pop
  #endif
  
      std::string WithinUlpsMatcher::describe() const {
          std::stringstream ret;
  
          ret << "is within " << m_ulps << " ULPs of ";
  
          if (m_type == FloatingPointKind::Float) {
              write(ret, static_cast<float>(m_target));
              ret << 'f';
          } else {
              write(ret, m_target);
          }
  
          ret << " ([";
          if (m_type == FloatingPointKind::Double) {
              write(ret, step(m_target, static_cast<double>(-INFINITY), m_ulps));
              ret << ", ";
              write(ret, step(m_target, static_cast<double>( INFINITY), m_ulps));
          } else {
              // We have to cast INFINITY to float because of MinGW, see #1782
              write(ret, step(static_cast<float>(m_target), static_cast<float>(-INFINITY), m_ulps));
              ret << ", ";
              write(ret, step(static_cast<float>(m_target), static_cast<float>( INFINITY), m_ulps));
          }
          ret << "])";
  
          return ret.str();
      }
  
      WithinRelMatcher::WithinRelMatcher(double target, double epsilon):
          m_target(target),
          m_epsilon(epsilon){
          CATCH_ENFORCE(m_epsilon >= 0., "Relative comparison with epsilon <  0 does not make sense.");
          CATCH_ENFORCE(m_epsilon  < 1., "Relative comparison with epsilon >= 1 does not make sense.");
      }
  
      bool WithinRelMatcher::match(double const& matchee) const {
          const auto relMargin = m_epsilon * (std::max)(std::fabs(matchee), std::fabs(m_target));
          return marginComparison(matchee, m_target,
                                  std::isinf(relMargin)? 0 : relMargin);
      }
  
      std::string WithinRelMatcher::describe() const {
          Catch::ReusableStringStream sstr;
          sstr << "and " << m_target << " are within " << m_epsilon * 100. << "% of each other";
          return sstr.str();
      }
  
  }// namespace Floating
  
  Floating::WithinUlpsMatcher WithinULP(double target, uint64_t maxUlpDiff) {
      return Floating::WithinUlpsMatcher(target, maxUlpDiff, Floating::FloatingPointKind::Double);
  }
  
  Floating::WithinUlpsMatcher WithinULP(float target, uint64_t maxUlpDiff) {
      return Floating::WithinUlpsMatcher(target, maxUlpDiff, Floating::FloatingPointKind::Float);
  }
  
  Floating::WithinAbsMatcher WithinAbs(double target, double margin) {
      return Floating::WithinAbsMatcher(target, margin);
  }
  
  Floating::WithinRelMatcher WithinRel(double target, double eps) {
      return Floating::WithinRelMatcher(target, eps);
  }
  
  Floating::WithinRelMatcher WithinRel(double target) {
      return Floating::WithinRelMatcher(target, std::numeric_limits<double>::epsilon() * 100);
  }
  
  Floating::WithinRelMatcher WithinRel(float target, float eps) {
      return Floating::WithinRelMatcher(target, eps);
  }
  
  Floating::WithinRelMatcher WithinRel(float target) {
      return Floating::WithinRelMatcher(target, std::numeric_limits<float>::epsilon() * 100);
  }
  
  } // namespace Matchers
  } // namespace Catch
  
  // end catch_matchers_floating.cpp
  // start catch_matchers_generic.cpp
  
  std::string Catch::Matchers::Generic::Detail::finalizeDescription(const std::string& desc) {
      if (desc.empty()) {
          return "matches undescribed predicate";
      } else {
          return "matches predicate: \"" + desc + '"';
      }
  }
  // end catch_matchers_generic.cpp
  // start catch_matchers_string.cpp
  
  #include <regex>
  
  namespace Catch {
  namespace Matchers {
  
      namespace StdString {
  
          CasedString::CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity )
          :   m_caseSensitivity( caseSensitivity ),
              m_str( adjustString( str ) )
          {}
          std::string CasedString::adjustString( std::string const& str ) const {
              return m_caseSensitivity == CaseSensitive::No
                     ? toLower( str )
                     : str;
          }
          std::string CasedString::caseSensitivitySuffix() const {
              return m_caseSensitivity == CaseSensitive::No
                     ? " (case insensitive)"
                     : std::string();
          }
  
          StringMatcherBase::StringMatcherBase( std::string const& operation, CasedString const& comparator )
          : m_comparator( comparator ),
            m_operation( operation ) {
          }
  
          std::string StringMatcherBase::describe() const {
              std::string description;
              description.reserve(5 + m_operation.size() + m_comparator.m_str.size() +
                                          m_comparator.caseSensitivitySuffix().size());
              description += m_operation;
              description += ": \"";
              description += m_comparator.m_str;
              description += "\"";
              description += m_comparator.caseSensitivitySuffix();
              return description;
          }
  
          EqualsMatcher::EqualsMatcher( CasedString const& comparator ) : StringMatcherBase( "equals", comparator ) {}
  
          bool EqualsMatcher::match( std::string const& source ) const {
              return m_comparator.adjustString( source ) == m_comparator.m_str;
          }
  
          ContainsMatcher::ContainsMatcher( CasedString const& comparator ) : StringMatcherBase( "contains", comparator ) {}
  
          bool ContainsMatcher::match( std::string const& source ) const {
              return contains( m_comparator.adjustString( source ), m_comparator.m_str );
          }
  
          StartsWithMatcher::StartsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "starts with", comparator ) {}
  
          bool StartsWithMatcher::match( std::string const& source ) const {
              return startsWith( m_comparator.adjustString( source ), m_comparator.m_str );
          }
  
          EndsWithMatcher::EndsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "ends with", comparator ) {}
  
          bool EndsWithMatcher::match( std::string const& source ) const {
              return endsWith( m_comparator.adjustString( source ), m_comparator.m_str );
          }
  
          RegexMatcher::RegexMatcher(std::string regex, CaseSensitive::Choice caseSensitivity): m_regex(std::move(regex)), m_caseSensitivity(caseSensitivity) {}
  
          bool RegexMatcher::match(std::string const& matchee) const {
              auto flags = std::regex::ECMAScript; // ECMAScript is the default syntax option anyway
              if (m_caseSensitivity == CaseSensitive::Choice::No) {
                  flags |= std::regex::icase;
              }
              auto reg = std::regex(m_regex, flags);
              return std::regex_match(matchee, reg);
          }
  
          std::string RegexMatcher::describe() const {
              return "matches " + ::Catch::Detail::stringify(m_regex) + ((m_caseSensitivity == CaseSensitive::Choice::Yes)? " case sensitively" : " case insensitively");
          }
  
      } // namespace StdString
  
      StdString::EqualsMatcher Equals( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
          return StdString::EqualsMatcher( StdString::CasedString( str, caseSensitivity) );
      }
      StdString::ContainsMatcher Contains( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
          return StdString::ContainsMatcher( StdString::CasedString( str, caseSensitivity) );
      }
      StdString::EndsWithMatcher EndsWith( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
          return StdString::EndsWithMatcher( StdString::CasedString( str, caseSensitivity) );
      }
      StdString::StartsWithMatcher StartsWith( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
          return StdString::StartsWithMatcher( StdString::CasedString( str, caseSensitivity) );
      }
  
      StdString::RegexMatcher Matches(std::string const& regex, CaseSensitive::Choice caseSensitivity) {
          return StdString::RegexMatcher(regex, caseSensitivity);
      }
  
  } // namespace Matchers
  } // namespace Catch
  // end catch_matchers_string.cpp
  // start catch_message.cpp
  
  // start catch_uncaught_exceptions.h
  
  namespace Catch {
      bool uncaught_exceptions();
  } // end namespace Catch
  
  // end catch_uncaught_exceptions.h
  #include <cassert>
  #include <stack>
  
  namespace Catch {
  
      MessageInfo::MessageInfo(   StringRef const& _macroName,
                                  SourceLineInfo const& _lineInfo,
                                  ResultWas::OfType _type )
      :   macroName( _macroName ),
          lineInfo( _lineInfo ),
          type( _type ),
          sequence( ++globalCount )
      {}
  
      bool MessageInfo::operator==( MessageInfo const& other ) const {
          return sequence == other.sequence;
      }
  
      bool MessageInfo::operator<( MessageInfo const& other ) const {
          return sequence < other.sequence;
      }
  
      // This may need protecting if threading support is added
      unsigned int MessageInfo::globalCount = 0;
  
      ////////////////////////////////////////////////////////////////////////////
  
      Catch::MessageBuilder::MessageBuilder( StringRef const& macroName,
                                             SourceLineInfo const& lineInfo,
                                             ResultWas::OfType type )
          :m_info(macroName, lineInfo, type) {}
  
      ////////////////////////////////////////////////////////////////////////////
  
      ScopedMessage::ScopedMessage( MessageBuilder const& builder )
      : m_info( builder.m_info ), m_moved()
      {
          m_info.message = builder.m_stream.str();
          getResultCapture().pushScopedMessage( m_info );
      }
  
      ScopedMessage::ScopedMessage( ScopedMessage&& old )
      : m_info( old.m_info ), m_moved()
      {
          old.m_moved = true;
      }
  
      ScopedMessage::~ScopedMessage() {
          if ( !uncaught_exceptions() && !m_moved ){
              getResultCapture().popScopedMessage(m_info);
          }
      }
  
      Capturer::Capturer( StringRef macroName, SourceLineInfo const& lineInfo, ResultWas::OfType resultType, StringRef names ) {
          auto trimmed = [&] (size_t start, size_t end) {
              while (names[start] == ',' || isspace(names[start])) {
                  ++start;
              }
              while (names[end] == ',' || isspace(names[end])) {
                  --end;
              }
              return names.substr(start, end - start + 1);
          };
          auto skipq = [&] (size_t start, char quote) {
              for (auto i = start + 1; i < names.size() ; ++i) {
                  if (names[i] == quote)
                      return i;
                  if (names[i] == '\\')
                      ++i;
              }
              CATCH_INTERNAL_ERROR("CAPTURE parsing encountered unmatched quote");
          };
  
          size_t start = 0;
          std::stack<char> openings;
          for (size_t pos = 0; pos < names.size(); ++pos) {
              char c = names[pos];
              switch (c) {
              case '[':
              case '{':
              case '(':
              // It is basically impossible to disambiguate between
              // comparison and start of template args in this context
  //            case '<':
                  openings.push(c);
                  break;
              case ']':
              case '}':
              case ')':
  //           case '>':
                  openings.pop();
                  break;
              case '"':
              case '\'':
                  pos = skipq(pos, c);
                  break;
              case ',':
                  if (start != pos && openings.size() == 0) {
                      m_messages.emplace_back(macroName, lineInfo, resultType);
                      m_messages.back().message = static_cast<std::string>(trimmed(start, pos));
                      m_messages.back().message += " := ";
                      start = pos;
                  }
              }
          }
          assert(openings.size() == 0 && "Mismatched openings");
          m_messages.emplace_back(macroName, lineInfo, resultType);
          m_messages.back().message = static_cast<std::string>(trimmed(start, names.size() - 1));
          m_messages.back().message += " := ";
      }
      Capturer::~Capturer() {
          if ( !uncaught_exceptions() ){
              assert( m_captured == m_messages.size() );
              for( size_t i = 0; i < m_captured; ++i  )
                  m_resultCapture.popScopedMessage( m_messages[i] );
          }
      }
  
      void Capturer::captureValue( size_t index, std::string const& value ) {
          assert( index < m_messages.size() );
          m_messages[index].message += value;
          m_resultCapture.pushScopedMessage( m_messages[index] );
          m_captured++;
      }
  
  } // end namespace Catch
  // end catch_message.cpp
  // start catch_output_redirect.cpp
  
  // start catch_output_redirect.h
  #ifndef TWOBLUECUBES_CATCH_OUTPUT_REDIRECT_H
  #define TWOBLUECUBES_CATCH_OUTPUT_REDIRECT_H
  
  #include <cstdio>
  #include <iosfwd>
  #include <string>
  
  namespace Catch {
  
      class RedirectedStream {
          std::ostream& m_originalStream;
          std::ostream& m_redirectionStream;
          std::streambuf* m_prevBuf;
  
      public:
          RedirectedStream( std::ostream& originalStream, std::ostream& redirectionStream );
          ~RedirectedStream();
      };
  
      class RedirectedStdOut {
          ReusableStringStream m_rss;
          RedirectedStream m_cout;
      public:
          RedirectedStdOut();
          auto str() const -> std::string;
      };
  
      // StdErr has two constituent streams in C++, std::cerr and std::clog
      // This means that we need to redirect 2 streams into 1 to keep proper
      // order of writes
      class RedirectedStdErr {
          ReusableStringStream m_rss;
          RedirectedStream m_cerr;
          RedirectedStream m_clog;
      public:
          RedirectedStdErr();
          auto str() const -> std::string;
      };
  
      class RedirectedStreams {
      public:
          RedirectedStreams(RedirectedStreams const&) = delete;
          RedirectedStreams& operator=(RedirectedStreams const&) = delete;
          RedirectedStreams(RedirectedStreams&&) = delete;
          RedirectedStreams& operator=(RedirectedStreams&&) = delete;
  
          RedirectedStreams(std::string& redirectedCout, std::string& redirectedCerr);
          ~RedirectedStreams();
      private:
          std::string& m_redirectedCout;
          std::string& m_redirectedCerr;
          RedirectedStdOut m_redirectedStdOut;
          RedirectedStdErr m_redirectedStdErr;
      };
  
  #if defined(CATCH_CONFIG_NEW_CAPTURE)
  
      // Windows's implementation of std::tmpfile is terrible (it tries
      // to create a file inside system folder, thus requiring elevated
      // privileges for the binary), so we have to use tmpnam(_s) and
      // create the file ourselves there.
      class TempFile {
      public:
          TempFile(TempFile const&) = delete;
          TempFile& operator=(TempFile const&) = delete;
          TempFile(TempFile&&) = delete;
          TempFile& operator=(TempFile&&) = delete;
  
          TempFile();
          ~TempFile();
  
          std::FILE* getFile();
          std::string getContents();
  
      private:
          std::FILE* m_file = nullptr;
      #if defined(_MSC_VER)
          char m_buffer[L_tmpnam] = { 0 };
      #endif
      };
  
      class OutputRedirect {
      public:
          OutputRedirect(OutputRedirect const&) = delete;
          OutputRedirect& operator=(OutputRedirect const&) = delete;
          OutputRedirect(OutputRedirect&&) = delete;
          OutputRedirect& operator=(OutputRedirect&&) = delete;
  
          OutputRedirect(std::string& stdout_dest, std::string& stderr_dest);
          ~OutputRedirect();
  
      private:
          int m_originalStdout = -1;
          int m_originalStderr = -1;
          TempFile m_stdoutFile;
          TempFile m_stderrFile;
          std::string& m_stdoutDest;
          std::string& m_stderrDest;
      };
  
  #endif
  
  } // end namespace Catch
  
  #endif // TWOBLUECUBES_CATCH_OUTPUT_REDIRECT_H
  // end catch_output_redirect.h
  #include <cstdio>
  #include <cstring>
  #include <fstream>
  #include <sstream>
  #include <stdexcept>
  
  #if defined(CATCH_CONFIG_NEW_CAPTURE)
      #if defined(_MSC_VER)
      #include <io.h>      //_dup and _dup2
      #define dup _dup
      #define dup2 _dup2
      #define fileno _fileno
      #else
      #include <unistd.h>  // dup and dup2
      #endif
  #endif
  
  namespace Catch {
  
      RedirectedStream::RedirectedStream( std::ostream& originalStream, std::ostream& redirectionStream )
      :   m_originalStream( originalStream ),
          m_redirectionStream( redirectionStream ),
          m_prevBuf( m_originalStream.rdbuf() )
      {
          m_originalStream.rdbuf( m_redirectionStream.rdbuf() );
      }
  
      RedirectedStream::~RedirectedStream() {
          m_originalStream.rdbuf( m_prevBuf );
      }
  
      RedirectedStdOut::RedirectedStdOut() : m_cout( Catch::cout(), m_rss.get() ) {}
      auto RedirectedStdOut::str() const -> std::string { return m_rss.str(); }
  
      RedirectedStdErr::RedirectedStdErr()
      :   m_cerr( Catch::cerr(), m_rss.get() ),
          m_clog( Catch::clog(), m_rss.get() )
      {}
      auto RedirectedStdErr::str() const -> std::string { return m_rss.str(); }
  
      RedirectedStreams::RedirectedStreams(std::string& redirectedCout, std::string& redirectedCerr)
      :   m_redirectedCout(redirectedCout),
          m_redirectedCerr(redirectedCerr)
      {}
  
      RedirectedStreams::~RedirectedStreams() {
          m_redirectedCout += m_redirectedStdOut.str();
          m_redirectedCerr += m_redirectedStdErr.str();
      }
  
  #if defined(CATCH_CONFIG_NEW_CAPTURE)
  
  #if defined(_MSC_VER)
      TempFile::TempFile() {
          if (tmpnam_s(m_buffer)) {
              CATCH_RUNTIME_ERROR("Could not get a temp filename");
          }
          if (fopen_s(&m_file, m_buffer, "w")) {
              char buffer[100];
              if (strerror_s(buffer, errno)) {
                  CATCH_RUNTIME_ERROR("Could not translate errno to a string");
              }
              CATCH_RUNTIME_ERROR("Could not open the temp file: '" << m_buffer << "' because: " << buffer);
          }
      }
  #else
      TempFile::TempFile() {
          m_file = std::tmpfile();
          if (!m_file) {
              CATCH_RUNTIME_ERROR("Could not create a temp file.");
          }
      }
  
  #endif
  
      TempFile::~TempFile() {
           // TBD: What to do about errors here?
           std::fclose(m_file);
           // We manually create the file on Windows only, on Linux
           // it will be autodeleted
  #if defined(_MSC_VER)
           std::remove(m_buffer);
  #endif
      }
  
      FILE* TempFile::getFile() {
          return m_file;
      }
  
      std::string TempFile::getContents() {
          std::stringstream sstr;
          char buffer[100] = {};
          std::rewind(m_file);
          while (std::fgets(buffer, sizeof(buffer), m_file)) {
              sstr << buffer;
          }
          return sstr.str();
      }
  
      OutputRedirect::OutputRedirect(std::string& stdout_dest, std::string& stderr_dest) :
          m_originalStdout(dup(1)),
          m_originalStderr(dup(2)),
          m_stdoutDest(stdout_dest),
          m_stderrDest(stderr_dest) {
          dup2(fileno(m_stdoutFile.getFile()), 1);
          dup2(fileno(m_stderrFile.getFile()), 2);
      }
  
      OutputRedirect::~OutputRedirect() {
          Catch::cout() << std::flush;
          fflush(stdout);
          // Since we support overriding these streams, we flush cerr
          // even though std::cerr is unbuffered
          Catch::cerr() << std::flush;
          Catch::clog() << std::flush;
          fflush(stderr);
  
          dup2(m_originalStdout, 1);
          dup2(m_originalStderr, 2);
  
          m_stdoutDest += m_stdoutFile.getContents();
          m_stderrDest += m_stderrFile.getContents();
      }
  
  #endif // CATCH_CONFIG_NEW_CAPTURE
  
  } // namespace Catch
  
  #if defined(CATCH_CONFIG_NEW_CAPTURE)
      #if defined(_MSC_VER)
      #undef dup
      #undef dup2
      #undef fileno
      #endif
  #endif
  // end catch_output_redirect.cpp
  // start catch_polyfills.cpp
  
  #include <cmath>
  
  namespace Catch {
  
  #if !defined(CATCH_CONFIG_POLYFILL_ISNAN)
      bool isnan(float f) {
          return std::isnan(f);
      }
      bool isnan(double d) {
          return std::isnan(d);
      }
  #else
      // For now we only use this for embarcadero
      bool isnan(float f) {
          return std::_isnan(f);
      }
      bool isnan(double d) {
          return std::_isnan(d);
      }
  #endif
  
  } // end namespace Catch
  // end catch_polyfills.cpp
  // start catch_random_number_generator.cpp
  
  namespace Catch {
  
  namespace {
  
  #if defined(_MSC_VER)
  #pragma warning(push)
  #pragma warning(disable:4146) // we negate uint32 during the rotate
  #endif
          // Safe rotr implementation thanks to John Regehr
          uint32_t rotate_right(uint32_t val, uint32_t count) {
              const uint32_t mask = 31;
              count &= mask;
              return (val >> count) | (val << (-count & mask));
          }
  
  #if defined(_MSC_VER)
  #pragma warning(pop)
  #endif
  
  }
  
      SimplePcg32::SimplePcg32(result_type seed_) {
          seed(seed_);
      }
  
      void SimplePcg32::seed(result_type seed_) {
          m_state = 0;
          (*this)();
          m_state += seed_;
          (*this)();
      }
  
      void SimplePcg32::discard(uint64_t skip) {
          // We could implement this to run in O(log n) steps, but this
          // should suffice for our use case.
          for (uint64_t s = 0; s < skip; ++s) {
              static_cast<void>((*this)());
          }
      }
  
      SimplePcg32::result_type SimplePcg32::operator()() {
          // prepare the output value
          const uint32_t xorshifted = static_cast<uint32_t>(((m_state >> 18u) ^ m_state) >> 27u);
          const auto output = rotate_right(xorshifted, m_state >> 59u);
  
          // advance state
          m_state = m_state * 6364136223846793005ULL + s_inc;
  
          return output;
      }
  
      bool operator==(SimplePcg32 const& lhs, SimplePcg32 const& rhs) {
          return lhs.m_state == rhs.m_state;
      }
  
      bool operator!=(SimplePcg32 const& lhs, SimplePcg32 const& rhs) {
          return lhs.m_state != rhs.m_state;
      }
  }
  // end catch_random_number_generator.cpp
  // start catch_registry_hub.cpp
  
  // start catch_test_case_registry_impl.h
  
  #include <vector>
  #include <set>
  #include <algorithm>
  #include <ios>
  
  namespace Catch {
  
      class TestCase;
      struct IConfig;
  
      std::vector<TestCase> sortTests( IConfig const& config, std::vector<TestCase> const& unsortedTestCases );
  
      bool isThrowSafe( TestCase const& testCase, IConfig const& config );
      bool matchTest( TestCase const& testCase, TestSpec const& testSpec, IConfig const& config );
  
      void enforceNoDuplicateTestCases( std::vector<TestCase> const& functions );
  
      std::vector<TestCase> filterTests( std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config );
      std::vector<TestCase> const& getAllTestCasesSorted( IConfig const& config );
  
      class TestRegistry : public ITestCaseRegistry {
      public:
          virtual ~TestRegistry() = default;
  
          virtual void registerTest( TestCase const& testCase );
  
          std::vector<TestCase> const& getAllTests() const override;
          std::vector<TestCase> const& getAllTestsSorted( IConfig const& config ) const override;
  
      private:
          std::vector<TestCase> m_functions;
          mutable RunTests::InWhatOrder m_currentSortOrder = RunTests::InDeclarationOrder;
          mutable std::vector<TestCase> m_sortedFunctions;
          std::size_t m_unnamedCount = 0;
          std::ios_base::Init m_ostreamInit; // Forces cout/ cerr to be initialised
      };
  
      ///////////////////////////////////////////////////////////////////////////
  
      class TestInvokerAsFunction : public ITestInvoker {
          void(*m_testAsFunction)();
      public:
          TestInvokerAsFunction( void(*testAsFunction)() ) noexcept;
  
          void invoke() const override;
      };
  
      std::string extractClassName( StringRef const& classOrQualifiedMethodName );
  
      ///////////////////////////////////////////////////////////////////////////
  
  } // end namespace Catch
  
  // end catch_test_case_registry_impl.h
  // start catch_reporter_registry.h
  
  #include <map>
  
  namespace Catch {
  
      class ReporterRegistry : public IReporterRegistry {
  
      public:
  
          ~ReporterRegistry() override;
  
          IStreamingReporterPtr create( std::string const& name, IConfigPtr const& config ) const override;
  
          void registerReporter( std::string const& name, IReporterFactoryPtr const& factory );
          void registerListener( IReporterFactoryPtr const& factory );
  
          FactoryMap const& getFactories() const override;
          Listeners const& getListeners() const override;
  
      private:
          FactoryMap m_factories;
          Listeners m_listeners;
      };
  }
  
  // end catch_reporter_registry.h
  // start catch_tag_alias_registry.h
  
  // start catch_tag_alias.h
  
  #include <string>
  
  namespace Catch {
  
      struct TagAlias {
          TagAlias(std::string const& _tag, SourceLineInfo _lineInfo);
  
          std::string tag;
          SourceLineInfo lineInfo;
      };
  
  } // end namespace Catch
  
  // end catch_tag_alias.h
  #include <map>
  
  namespace Catch {
  
      class TagAliasRegistry : public ITagAliasRegistry {
      public:
          ~TagAliasRegistry() override;
          TagAlias const* find( std::string const& alias ) const override;
          std::string expandAliases( std::string const& unexpandedTestSpec ) const override;
          void add( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo );
  
      private:
          std::map<std::string, TagAlias> m_registry;
      };
  
  } // end namespace Catch
  
  // end catch_tag_alias_registry.h
  // start catch_startup_exception_registry.h
  
  #include <vector>
  #include <exception>
  
  namespace Catch {
  
      class StartupExceptionRegistry {
      public:
          void add(std::exception_ptr const& exception) noexcept;
          std::vector<std::exception_ptr> const& getExceptions() const noexcept;
      private:
          std::vector<std::exception_ptr> m_exceptions;
      };
  
  } // end namespace Catch
  
  // end catch_startup_exception_registry.h
  // start catch_singletons.hpp
  
  namespace Catch {
  
      struct ISingleton {
          virtual ~ISingleton();
      };
  
      void addSingleton( ISingleton* singleton );
      void cleanupSingletons();
  
      template<typename SingletonImplT, typename InterfaceT = SingletonImplT, typename MutableInterfaceT = InterfaceT>
      class Singleton : SingletonImplT, public ISingleton {
  
          static auto getInternal() -> Singleton* {
              static Singleton* s_instance = nullptr;
              if( !s_instance ) {
                  s_instance = new Singleton;
                  addSingleton( s_instance );
              }
              return s_instance;
          }
  
      public:
          static auto get() -> InterfaceT const& {
              return *getInternal();
          }
          static auto getMutable() -> MutableInterfaceT& {
              return *getInternal();
          }
      };
  
  } // namespace Catch
  
  // end catch_singletons.hpp
  namespace Catch {
  
      namespace {
  
          class RegistryHub : public IRegistryHub, public IMutableRegistryHub,
                              private NonCopyable {
  
          public: // IRegistryHub
              RegistryHub() = default;
              IReporterRegistry const& getReporterRegistry() const override {
                  return m_reporterRegistry;
              }
              ITestCaseRegistry const& getTestCaseRegistry() const override {
                  return m_testCaseRegistry;
              }
              IExceptionTranslatorRegistry const& getExceptionTranslatorRegistry() const override {
                  return m_exceptionTranslatorRegistry;
              }
              ITagAliasRegistry const& getTagAliasRegistry() const override {
                  return m_tagAliasRegistry;
              }
              StartupExceptionRegistry const& getStartupExceptionRegistry() const override {
                  return m_exceptionRegistry;
              }
  
          public: // IMutableRegistryHub
              void registerReporter( std::string const& name, IReporterFactoryPtr const& factory ) override {
                  m_reporterRegistry.registerReporter( name, factory );
              }
              void registerListener( IReporterFactoryPtr const& factory ) override {
                  m_reporterRegistry.registerListener( factory );
              }
              void registerTest( TestCase const& testInfo ) override {
                  m_testCaseRegistry.registerTest( testInfo );
              }
              void registerTranslator( const IExceptionTranslator* translator ) override {
                  m_exceptionTranslatorRegistry.registerTranslator( translator );
              }
              void registerTagAlias( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo ) override {
                  m_tagAliasRegistry.add( alias, tag, lineInfo );
              }
              void registerStartupException() noexcept override {
                  m_exceptionRegistry.add(std::current_exception());
              }
              IMutableEnumValuesRegistry& getMutableEnumValuesRegistry() override {
                  return m_enumValuesRegistry;
              }
  
          private:
              TestRegistry m_testCaseRegistry;
              ReporterRegistry m_reporterRegistry;
              ExceptionTranslatorRegistry m_exceptionTranslatorRegistry;
              TagAliasRegistry m_tagAliasRegistry;
              StartupExceptionRegistry m_exceptionRegistry;
              Detail::EnumValuesRegistry m_enumValuesRegistry;
          };
      }
  
      using RegistryHubSingleton = Singleton<RegistryHub, IRegistryHub, IMutableRegistryHub>;
  
      IRegistryHub const& getRegistryHub() {
          return RegistryHubSingleton::get();
      }
      IMutableRegistryHub& getMutableRegistryHub() {
          return RegistryHubSingleton::getMutable();
      }
      void cleanUp() {
          cleanupSingletons();
          cleanUpContext();
      }
      std::string translateActiveException() {
          return getRegistryHub().getExceptionTranslatorRegistry().translateActiveException();
      }
  
  } // end namespace Catch
  // end catch_registry_hub.cpp
  // start catch_reporter_registry.cpp
  
  namespace Catch {
  
      ReporterRegistry::~ReporterRegistry() = default;
  
      IStreamingReporterPtr ReporterRegistry::create( std::string const& name, IConfigPtr const& config ) const {
          auto it =  m_factories.find( name );
          if( it == m_factories.end() )
              return nullptr;
          return it->second->create( ReporterConfig( config ) );
      }
  
      void ReporterRegistry::registerReporter( std::string const& name, IReporterFactoryPtr const& factory ) {
          m_factories.emplace(name, factory);
      }
      void ReporterRegistry::registerListener( IReporterFactoryPtr const& factory ) {
          m_listeners.push_back( factory );
      }
  
      IReporterRegistry::FactoryMap const& ReporterRegistry::getFactories() const {
          return m_factories;
      }
      IReporterRegistry::Listeners const& ReporterRegistry::getListeners() const {
          return m_listeners;
      }
  
  }
  // end catch_reporter_registry.cpp
  // start catch_result_type.cpp
  
  namespace Catch {
  
      bool isOk( ResultWas::OfType resultType ) {
          return ( resultType & ResultWas::FailureBit ) == 0;
      }
      bool isJustInfo( int flags ) {
          return flags == ResultWas::Info;
      }
  
      ResultDisposition::Flags operator | ( ResultDisposition::Flags lhs, ResultDisposition::Flags rhs ) {
          return static_cast<ResultDisposition::Flags>( static_cast<int>( lhs ) | static_cast<int>( rhs ) );
      }
  
      bool shouldContinueOnFailure( int flags )    { return ( flags & ResultDisposition::ContinueOnFailure ) != 0; }
      bool shouldSuppressFailure( int flags )      { return ( flags & ResultDisposition::SuppressFail ) != 0; }
  
  } // end namespace Catch
  // end catch_result_type.cpp
  // start catch_run_context.cpp
  
  #include <cassert>
  #include <algorithm>
  #include <sstream>
  
  namespace Catch {
  
      namespace Generators {
          struct GeneratorTracker : TestCaseTracking::TrackerBase, IGeneratorTracker {
              GeneratorBasePtr m_generator;
  
              GeneratorTracker( TestCaseTracking::NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent )
              :   TrackerBase( nameAndLocation, ctx, parent )
              {}
              ~GeneratorTracker();
  
              static GeneratorTracker& acquire( TrackerContext& ctx, TestCaseTracking::NameAndLocation const& nameAndLocation ) {
                  std::shared_ptr<GeneratorTracker> tracker;
  
                  ITracker& currentTracker = ctx.currentTracker();
                  if( TestCaseTracking::ITrackerPtr childTracker = currentTracker.findChild( nameAndLocation ) ) {
                      assert( childTracker );
                      assert( childTracker->isGeneratorTracker() );
                      tracker = std::static_pointer_cast<GeneratorTracker>( childTracker );
                  }
                  else {
                      tracker = std::make_shared<GeneratorTracker>( nameAndLocation, ctx, &currentTracker );
                      currentTracker.addChild( tracker );
                  }
  
                  if( !ctx.completedCycle() && !tracker->isComplete() ) {
                      tracker->open();
                  }
  
                  return *tracker;
              }
  
              // TrackerBase interface
              bool isGeneratorTracker() const override { return true; }
              auto hasGenerator() const -> bool override {
                  return !!m_generator;
              }
              void close() override {
                  TrackerBase::close();
                  // Generator interface only finds out if it has another item on atual move
                  if (m_runState == CompletedSuccessfully && m_generator->next()) {
                      m_children.clear();
                      m_runState = Executing;
                  }
              }
  
              // IGeneratorTracker interface
              auto getGenerator() const -> GeneratorBasePtr const& override {
                  return m_generator;
              }
              void setGenerator( GeneratorBasePtr&& generator ) override {
                  m_generator = std::move( generator );
              }
          };
          GeneratorTracker::~GeneratorTracker() {}
      }
  
      RunContext::RunContext(IConfigPtr const& _config, IStreamingReporterPtr&& reporter)
      :   m_runInfo(_config->name()),
          m_context(getCurrentMutableContext()),
          m_config(_config),
          m_reporter(std::move(reporter)),
          m_lastAssertionInfo{ StringRef(), SourceLineInfo("",0), StringRef(), ResultDisposition::Normal },
          m_includeSuccessfulResults( m_config->includeSuccessfulResults() || m_reporter->getPreferences().shouldReportAllAssertions )
      {
          m_context.setRunner(this);
          m_context.setConfig(m_config);
          m_context.setResultCapture(this);
          m_reporter->testRunStarting(m_runInfo);
      }
  
      RunContext::~RunContext() {
          m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, aborting()));
      }
  
      void RunContext::testGroupStarting(std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount) {
          m_reporter->testGroupStarting(GroupInfo(testSpec, groupIndex, groupsCount));
      }
  
      void RunContext::testGroupEnded(std::string const& testSpec, Totals const& totals, std::size_t groupIndex, std::size_t groupsCount) {
          m_reporter->testGroupEnded(TestGroupStats(GroupInfo(testSpec, groupIndex, groupsCount), totals, aborting()));
      }
  
      Totals RunContext::runTest(TestCase const& testCase) {
          Totals prevTotals = m_totals;
  
          std::string redirectedCout;
          std::string redirectedCerr;
  
          auto const& testInfo = testCase.getTestCaseInfo();
  
          m_reporter->testCaseStarting(testInfo);
  
          m_activeTestCase = &testCase;
  
          ITracker& rootTracker = m_trackerContext.startRun();
          assert(rootTracker.isSectionTracker());
          static_cast<SectionTracker&>(rootTracker).addInitialFilters(m_config->getSectionsToRun());
          do {
              m_trackerContext.startCycle();
              m_testCaseTracker = &SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(testInfo.name, testInfo.lineInfo));
              runCurrentTest(redirectedCout, redirectedCerr);
          } while (!m_testCaseTracker->isSuccessfullyCompleted() && !aborting());
  
          Totals deltaTotals = m_totals.delta(prevTotals);
          if (testInfo.expectedToFail() && deltaTotals.testCases.passed > 0) {
              deltaTotals.assertions.failed++;
              deltaTotals.testCases.passed--;
              deltaTotals.testCases.failed++;
          }
          m_totals.testCases += deltaTotals.testCases;
          m_reporter->testCaseEnded(TestCaseStats(testInfo,
                                    deltaTotals,
                                    redirectedCout,
                                    redirectedCerr,
                                    aborting()));
  
          m_activeTestCase = nullptr;
          m_testCaseTracker = nullptr;
  
          return deltaTotals;
      }
  
      IConfigPtr RunContext::config() const {
          return m_config;
      }
  
      IStreamingReporter& RunContext::reporter() const {
          return *m_reporter;
      }
  
      void RunContext::assertionEnded(AssertionResult const & result) {
          if (result.getResultType() == ResultWas::Ok) {
              m_totals.assertions.passed++;
              m_lastAssertionPassed = true;
          } else if (!result.isOk()) {
              m_lastAssertionPassed = false;
              if( m_activeTestCase->getTestCaseInfo().okToFail() )
                  m_totals.assertions.failedButOk++;
              else
                  m_totals.assertions.failed++;
          }
          else {
              m_lastAssertionPassed = true;
          }
  
          // We have no use for the return value (whether messages should be cleared), because messages were made scoped
          // and should be let to clear themselves out.
          static_cast<void>(m_reporter->assertionEnded(AssertionStats(result, m_messages, m_totals)));
  
          if (result.getResultType() != ResultWas::Warning)
              m_messageScopes.clear();
  
          // Reset working state
          resetAssertionInfo();
          m_lastResult = result;
      }
      void RunContext::resetAssertionInfo() {
          m_lastAssertionInfo.macroName = StringRef();
          m_lastAssertionInfo.capturedExpression = "{Unknown expression after the reported line}"_sr;
      }
  
      bool RunContext::sectionStarted(SectionInfo const & sectionInfo, Counts & assertions) {
          ITracker& sectionTracker = SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(sectionInfo.name, sectionInfo.lineInfo));
          if (!sectionTracker.isOpen())
              return false;
          m_activeSections.push_back(&sectionTracker);
  
          m_lastAssertionInfo.lineInfo = sectionInfo.lineInfo;
  
          m_reporter->sectionStarting(sectionInfo);
  
          assertions = m_totals.assertions;
  
          return true;
      }
      auto RunContext::acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& {
          using namespace Generators;
          GeneratorTracker& tracker = GeneratorTracker::acquire( m_trackerContext, TestCaseTracking::NameAndLocation( "generator", lineInfo ) );
          assert( tracker.isOpen() );
          m_lastAssertionInfo.lineInfo = lineInfo;
          return tracker;
      }
  
      bool RunContext::testForMissingAssertions(Counts& assertions) {
          if (assertions.total() != 0)
              return false;
          if (!m_config->warnAboutMissingAssertions())
              return false;
          if (m_trackerContext.currentTracker().hasChildren())
              return false;
          m_totals.assertions.failed++;
          assertions.failed++;
          return true;
      }
  
      void RunContext::sectionEnded(SectionEndInfo const & endInfo) {
          Counts assertions = m_totals.assertions - endInfo.prevAssertions;
          bool missingAssertions = testForMissingAssertions(assertions);
  
          if (!m_activeSections.empty()) {
              m_activeSections.back()->close();
              m_activeSections.pop_back();
          }
  
          m_reporter->sectionEnded(SectionStats(endInfo.sectionInfo, assertions, endInfo.durationInSeconds, missingAssertions));
          m_messages.clear();
          m_messageScopes.clear();
      }
  
      void RunContext::sectionEndedEarly(SectionEndInfo const & endInfo) {
          if (m_unfinishedSections.empty())
              m_activeSections.back()->fail();
          else
              m_activeSections.back()->close();
          m_activeSections.pop_back();
  
          m_unfinishedSections.push_back(endInfo);
      }
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
      void RunContext::benchmarkPreparing(std::string const& name) {
  		m_reporter->benchmarkPreparing(name);
  	}
      void RunContext::benchmarkStarting( BenchmarkInfo const& info ) {
          m_reporter->benchmarkStarting( info );
      }
      void RunContext::benchmarkEnded( BenchmarkStats<> const& stats ) {
          m_reporter->benchmarkEnded( stats );
      }
  	void RunContext::benchmarkFailed(std::string const & error) {
  		m_reporter->benchmarkFailed(error);
  	}
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
      void RunContext::pushScopedMessage(MessageInfo const & message) {
          m_messages.push_back(message);
      }
  
      void RunContext::popScopedMessage(MessageInfo const & message) {
          m_messages.erase(std::remove(m_messages.begin(), m_messages.end(), message), m_messages.end());
      }
  
      void RunContext::emplaceUnscopedMessage( MessageBuilder const& builder ) {
          m_messageScopes.emplace_back( builder );
      }
  
      std::string RunContext::getCurrentTestName() const {
          return m_activeTestCase
              ? m_activeTestCase->getTestCaseInfo().name
              : std::string();
      }
  
      const AssertionResult * RunContext::getLastResult() const {
          return &(*m_lastResult);
      }
  
      void RunContext::exceptionEarlyReported() {
          m_shouldReportUnexpected = false;
      }
  
      void RunContext::handleFatalErrorCondition( StringRef message ) {
          // First notify reporter that bad things happened
          m_reporter->fatalErrorEncountered(message);
  
          // Don't rebuild the result -- the stringification itself can cause more fatal errors
          // Instead, fake a result data.
          AssertionResultData tempResult( ResultWas::FatalErrorCondition, { false } );
          tempResult.message = static_cast<std::string>(message);
          AssertionResult result(m_lastAssertionInfo, tempResult);
  
          assertionEnded(result);
  
          handleUnfinishedSections();
  
          // Recreate section for test case (as we will lose the one that was in scope)
          auto const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
          SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name);
  
          Counts assertions;
          assertions.failed = 1;
          SectionStats testCaseSectionStats(testCaseSection, assertions, 0, false);
          m_reporter->sectionEnded(testCaseSectionStats);
  
          auto const& testInfo = m_activeTestCase->getTestCaseInfo();
  
          Totals deltaTotals;
          deltaTotals.testCases.failed = 1;
          deltaTotals.assertions.failed = 1;
          m_reporter->testCaseEnded(TestCaseStats(testInfo,
                                    deltaTotals,
                                    std::string(),
                                    std::string(),
                                    false));
          m_totals.testCases.failed++;
          testGroupEnded(std::string(), m_totals, 1, 1);
          m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, false));
      }
  
      bool RunContext::lastAssertionPassed() {
           return m_lastAssertionPassed;
      }
  
      void RunContext::assertionPassed() {
          m_lastAssertionPassed = true;
          ++m_totals.assertions.passed;
          resetAssertionInfo();
          m_messageScopes.clear();
      }
  
      bool RunContext::aborting() const {
          return m_totals.assertions.failed >= static_cast<std::size_t>(m_config->abortAfter());
      }
  
      void RunContext::runCurrentTest(std::string & redirectedCout, std::string & redirectedCerr) {
          auto const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
          SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name);
          m_reporter->sectionStarting(testCaseSection);
          Counts prevAssertions = m_totals.assertions;
          double duration = 0;
          m_shouldReportUnexpected = true;
          m_lastAssertionInfo = { "TEST_CASE"_sr, testCaseInfo.lineInfo, StringRef(), ResultDisposition::Normal };
  
          seedRng(*m_config);
  
          Timer timer;
          CATCH_TRY {
              if (m_reporter->getPreferences().shouldRedirectStdOut) {
  #if !defined(CATCH_CONFIG_EXPERIMENTAL_REDIRECT)
                  RedirectedStreams redirectedStreams(redirectedCout, redirectedCerr);
  
                  timer.start();
                  invokeActiveTestCase();
  #else
                  OutputRedirect r(redirectedCout, redirectedCerr);
                  timer.start();
                  invokeActiveTestCase();
  #endif
              } else {
                  timer.start();
                  invokeActiveTestCase();
              }
              duration = timer.getElapsedSeconds();
          } CATCH_CATCH_ANON (TestFailureException&) {
              // This just means the test was aborted due to failure
          } CATCH_CATCH_ALL {
              // Under CATCH_CONFIG_FAST_COMPILE, unexpected exceptions under REQUIRE assertions
              // are reported without translation at the point of origin.
              if( m_shouldReportUnexpected ) {
                  AssertionReaction dummyReaction;
                  handleUnexpectedInflightException( m_lastAssertionInfo, translateActiveException(), dummyReaction );
              }
          }
          Counts assertions = m_totals.assertions - prevAssertions;
          bool missingAssertions = testForMissingAssertions(assertions);
  
          m_testCaseTracker->close();
          handleUnfinishedSections();
          m_messages.clear();
          m_messageScopes.clear();
  
          SectionStats testCaseSectionStats(testCaseSection, assertions, duration, missingAssertions);
          m_reporter->sectionEnded(testCaseSectionStats);
      }
  
      void RunContext::invokeActiveTestCase() {
          FatalConditionHandler fatalConditionHandler; // Handle signals
          m_activeTestCase->invoke();
          fatalConditionHandler.reset();
      }
  
      void RunContext::handleUnfinishedSections() {
          // If sections ended prematurely due to an exception we stored their
          // infos here so we can tear them down outside the unwind process.
          for (auto it = m_unfinishedSections.rbegin(),
               itEnd = m_unfinishedSections.rend();
               it != itEnd;
               ++it)
              sectionEnded(*it);
          m_unfinishedSections.clear();
      }
  
      void RunContext::handleExpr(
          AssertionInfo const& info,
          ITransientExpression const& expr,
          AssertionReaction& reaction
      ) {
          m_reporter->assertionStarting( info );
  
          bool negated = isFalseTest( info.resultDisposition );
          bool result = expr.getResult() != negated;
  
          if( result ) {
              if (!m_includeSuccessfulResults) {
                  assertionPassed();
              }
              else {
                  reportExpr(info, ResultWas::Ok, &expr, negated);
              }
          }
          else {
              reportExpr(info, ResultWas::ExpressionFailed, &expr, negated );
              populateReaction( reaction );
          }
      }
      void RunContext::reportExpr(
              AssertionInfo const &info,
              ResultWas::OfType resultType,
              ITransientExpression const *expr,
              bool negated ) {
  
          m_lastAssertionInfo = info;
          AssertionResultData data( resultType, LazyExpression( negated ) );
  
          AssertionResult assertionResult{ info, data };
          assertionResult.m_resultData.lazyExpression.m_transientExpression = expr;
  
          assertionEnded( assertionResult );
      }
  
      void RunContext::handleMessage(
              AssertionInfo const& info,
              ResultWas::OfType resultType,
              StringRef const& message,
              AssertionReaction& reaction
      ) {
          m_reporter->assertionStarting( info );
  
          m_lastAssertionInfo = info;
  
          AssertionResultData data( resultType, LazyExpression( false ) );
          data.message = static_cast<std::string>(message);
          AssertionResult assertionResult{ m_lastAssertionInfo, data };
          assertionEnded( assertionResult );
          if( !assertionResult.isOk() )
              populateReaction( reaction );
      }
      void RunContext::handleUnexpectedExceptionNotThrown(
              AssertionInfo const& info,
              AssertionReaction& reaction
      ) {
          handleNonExpr(info, Catch::ResultWas::DidntThrowException, reaction);
      }
  
      void RunContext::handleUnexpectedInflightException(
              AssertionInfo const& info,
              std::string const& message,
              AssertionReaction& reaction
      ) {
          m_lastAssertionInfo = info;
  
          AssertionResultData data( ResultWas::ThrewException, LazyExpression( false ) );
          data.message = message;
          AssertionResult assertionResult{ info, data };
          assertionEnded( assertionResult );
          populateReaction( reaction );
      }
  
      void RunContext::populateReaction( AssertionReaction& reaction ) {
          reaction.shouldDebugBreak = m_config->shouldDebugBreak();
          reaction.shouldThrow = aborting() || (m_lastAssertionInfo.resultDisposition & ResultDisposition::Normal);
      }
  
      void RunContext::handleIncomplete(
              AssertionInfo const& info
      ) {
          m_lastAssertionInfo = info;
  
          AssertionResultData data( ResultWas::ThrewException, LazyExpression( false ) );
          data.message = "Exception translation was disabled by CATCH_CONFIG_FAST_COMPILE";
          AssertionResult assertionResult{ info, data };
          assertionEnded( assertionResult );
      }
      void RunContext::handleNonExpr(
              AssertionInfo const &info,
              ResultWas::OfType resultType,
              AssertionReaction &reaction
      ) {
          m_lastAssertionInfo = info;
  
          AssertionResultData data( resultType, LazyExpression( false ) );
          AssertionResult assertionResult{ info, data };
          assertionEnded( assertionResult );
  
          if( !assertionResult.isOk() )
              populateReaction( reaction );
      }
  
      IResultCapture& getResultCapture() {
          if (auto* capture = getCurrentContext().getResultCapture())
              return *capture;
          else
              CATCH_INTERNAL_ERROR("No result capture instance");
      }
  
      void seedRng(IConfig const& config) {
          if (config.rngSeed() != 0) {
              std::srand(config.rngSeed());
              rng().seed(config.rngSeed());
          }
      }
  
      unsigned int rngSeed() {
          return getCurrentContext().getConfig()->rngSeed();
      }
  
  }
  // end catch_run_context.cpp
  // start catch_section.cpp
  
  namespace Catch {
  
      Section::Section( SectionInfo const& info )
      :   m_info( info ),
          m_sectionIncluded( getResultCapture().sectionStarted( m_info, m_assertions ) )
      {
          m_timer.start();
      }
  
      Section::~Section() {
          if( m_sectionIncluded ) {
              SectionEndInfo endInfo{ m_info, m_assertions, m_timer.getElapsedSeconds() };
              if( uncaught_exceptions() )
                  getResultCapture().sectionEndedEarly( endInfo );
              else
                  getResultCapture().sectionEnded( endInfo );
          }
      }
  
      // This indicates whether the section should be executed or not
      Section::operator bool() const {
          return m_sectionIncluded;
      }
  
  } // end namespace Catch
  // end catch_section.cpp
  // start catch_section_info.cpp
  
  namespace Catch {
  
      SectionInfo::SectionInfo
          (   SourceLineInfo const& _lineInfo,
              std::string const& _name )
      :   name( _name ),
          lineInfo( _lineInfo )
      {}
  
  } // end namespace Catch
  // end catch_section_info.cpp
  // start catch_session.cpp
  
  // start catch_session.h
  
  #include <memory>
  
  namespace Catch {
  
      class Session : NonCopyable {
      public:
  
          Session();
          ~Session() override;
  
          void showHelp() const;
          void libIdentify();
  
          int applyCommandLine( int argc, char const * const * argv );
      #if defined(CATCH_CONFIG_WCHAR) && defined(_WIN32) && defined(UNICODE)
          int applyCommandLine( int argc, wchar_t const * const * argv );
      #endif
  
          void useConfigData( ConfigData const& configData );
  
          template<typename CharT>
          int run(int argc, CharT const * const argv[]) {
              if (m_startupExceptions)
                  return 1;
              int returnCode = applyCommandLine(argc, argv);
              if (returnCode == 0)
                  returnCode = run();
              return returnCode;
          }
  
          int run();
  
          clara::Parser const& cli() const;
          void cli( clara::Parser const& newParser );
          ConfigData& configData();
          Config& config();
      private:
          int runInternal();
  
          clara::Parser m_cli;
          ConfigData m_configData;
          std::shared_ptr<Config> m_config;
          bool m_startupExceptions = false;
      };
  
  } // end namespace Catch
  
  // end catch_session.h
  // start catch_version.h
  
  #include <iosfwd>
  
  namespace Catch {
  
      // Versioning information
      struct Version {
          Version( Version const& ) = delete;
          Version& operator=( Version const& ) = delete;
          Version(    unsigned int _majorVersion,
                      unsigned int _minorVersion,
                      unsigned int _patchNumber,
                      char const * const _branchName,
                      unsigned int _buildNumber );
  
          unsigned int const majorVersion;
          unsigned int const minorVersion;
          unsigned int const patchNumber;
  
          // buildNumber is only used if branchName is not null
          char const * const branchName;
          unsigned int const buildNumber;
  
          friend std::ostream& operator << ( std::ostream& os, Version const& version );
      };
  
      Version const& libraryVersion();
  }
  
  // end catch_version.h
  #include <cstdlib>
  #include <iomanip>
  #include <set>
  #include <iterator>
  
  namespace Catch {
  
      namespace {
          const int MaxExitCode = 255;
  
          IStreamingReporterPtr createReporter(std::string const& reporterName, IConfigPtr const& config) {
              auto reporter = Catch::getRegistryHub().getReporterRegistry().create(reporterName, config);
              CATCH_ENFORCE(reporter, "No reporter registered with name: '" << reporterName << "'");
  
              return reporter;
          }
  
          IStreamingReporterPtr makeReporter(std::shared_ptr<Config> const& config) {
              if (Catch::getRegistryHub().getReporterRegistry().getListeners().empty()) {
                  return createReporter(config->getReporterName(), config);
              }
  
              // On older platforms, returning std::unique_ptr<ListeningReporter>
              // when the return type is std::unique_ptr<IStreamingReporter>
              // doesn't compile without a std::move call. However, this causes
              // a warning on newer platforms. Thus, we have to work around
              // it a bit and downcast the pointer manually.
              auto ret = std::unique_ptr<IStreamingReporter>(new ListeningReporter);
              auto& multi = static_cast<ListeningReporter&>(*ret);
              auto const& listeners = Catch::getRegistryHub().getReporterRegistry().getListeners();
              for (auto const& listener : listeners) {
                  multi.addListener(listener->create(Catch::ReporterConfig(config)));
              }
              multi.addReporter(createReporter(config->getReporterName(), config));
              return ret;
          }
  
          class TestGroup {
          public:
              explicit TestGroup(std::shared_ptr<Config> const& config)
              : m_config{config}
              , m_context{config, makeReporter(config)}
              {
                  auto const& allTestCases = getAllTestCasesSorted(*m_config);
                  m_matches = m_config->testSpec().matchesByFilter(allTestCases, *m_config);
                  auto const& invalidArgs = m_config->testSpec().getInvalidArgs();
  
                  if (m_matches.empty() && invalidArgs.empty()) {
                      for (auto const& test : allTestCases)
                          if (!test.isHidden())
                              m_tests.emplace(&test);
                  } else {
                      for (auto const& match : m_matches)
                          m_tests.insert(match.tests.begin(), match.tests.end());
                  }
              }
  
              Totals execute() {
                  auto const& invalidArgs = m_config->testSpec().getInvalidArgs();
                  Totals totals;
                  m_context.testGroupStarting(m_config->name(), 1, 1);
                  for (auto const& testCase : m_tests) {
                      if (!m_context.aborting())
                          totals += m_context.runTest(*testCase);
                      else
                          m_context.reporter().skipTest(*testCase);
                  }
  
                  for (auto const& match : m_matches) {
                      if (match.tests.empty()) {
                          m_context.reporter().noMatchingTestCases(match.name);
                          totals.error = -1;
                      }
                  }
  
                  if (!invalidArgs.empty()) {
                      for (auto const& invalidArg: invalidArgs)
                           m_context.reporter().reportInvalidArguments(invalidArg);
                  }
  
                  m_context.testGroupEnded(m_config->name(), totals, 1, 1);
                  return totals;
              }
  
          private:
              using Tests = std::set<TestCase const*>;
  
              std::shared_ptr<Config> m_config;
              RunContext m_context;
              Tests m_tests;
              TestSpec::Matches m_matches;
          };
  
          void applyFilenamesAsTags(Catch::IConfig const& config) {
              auto& tests = const_cast<std::vector<TestCase>&>(getAllTestCasesSorted(config));
              for (auto& testCase : tests) {
                  auto tags = testCase.tags;
  
                  std::string filename = testCase.lineInfo.file;
                  auto lastSlash = filename.find_last_of("\\/");
                  if (lastSlash != std::string::npos) {
                      filename.erase(0, lastSlash);
                      filename[0] = '#';
                  }
  
                  auto lastDot = filename.find_last_of('.');
                  if (lastDot != std::string::npos) {
                      filename.erase(lastDot);
                  }
  
                  tags.push_back(std::move(filename));
                  setTags(testCase, tags);
              }
          }
  
      } // anon namespace
  
      Session::Session() {
          static bool alreadyInstantiated = false;
          if( alreadyInstantiated ) {
              CATCH_TRY { CATCH_INTERNAL_ERROR( "Only one instance of Catch::Session can ever be used" ); }
              CATCH_CATCH_ALL { getMutableRegistryHub().registerStartupException(); }
          }
  
          // There cannot be exceptions at startup in no-exception mode.
  #if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
          const auto& exceptions = getRegistryHub().getStartupExceptionRegistry().getExceptions();
          if ( !exceptions.empty() ) {
              config();
              getCurrentMutableContext().setConfig(m_config);
  
              m_startupExceptions = true;
              Colour colourGuard( Colour::Red );
              Catch::cerr() << "Errors occurred during startup!" << '\n';
              // iterate over all exceptions and notify user
              for ( const auto& ex_ptr : exceptions ) {
                  try {
                      std::rethrow_exception(ex_ptr);
                  } catch ( std::exception const& ex ) {
                      Catch::cerr() << Column( ex.what() ).indent(2) << '\n';
                  }
              }
          }
  #endif
  
          alreadyInstantiated = true;
          m_cli = makeCommandLineParser( m_configData );
      }
      Session::~Session() {
          Catch::cleanUp();
      }
  
      void Session::showHelp() const {
          Catch::cout()
                  << "\nCatch v" << libraryVersion() << "\n"
                  << m_cli << std::endl
                  << "For more detailed usage please see the project docs\n" << std::endl;
      }
      void Session::libIdentify() {
          Catch::cout()
                  << std::left << std::setw(16) << "description: " << "A Catch2 test executable\n"
                  << std::left << std::setw(16) << "category: " << "testframework\n"
                  << std::left << std::setw(16) << "framework: " << "Catch Test\n"
                  << std::left << std::setw(16) << "version: " << libraryVersion() << std::endl;
      }
  
      int Session::applyCommandLine( int argc, char const * const * argv ) {
          if( m_startupExceptions )
              return 1;
  
          auto result = m_cli.parse( clara::Args( argc, argv ) );
          if( !result ) {
              config();
              getCurrentMutableContext().setConfig(m_config);
              Catch::cerr()
                  << Colour( Colour::Red )
                  << "\nError(s) in input:\n"
                  << Column( result.errorMessage() ).indent( 2 )
                  << "\n\n";
              Catch::cerr() << "Run with -? for usage\n" << std::endl;
              return MaxExitCode;
          }
  
          if( m_configData.showHelp )
              showHelp();
          if( m_configData.libIdentify )
              libIdentify();
          m_config.reset();
          return 0;
      }
  
  #if defined(CATCH_CONFIG_WCHAR) && defined(_WIN32) && defined(UNICODE)
      int Session::applyCommandLine( int argc, wchar_t const * const * argv ) {
  
          char **utf8Argv = new char *[ argc ];
  
          for ( int i = 0; i < argc; ++i ) {
              int bufSize = WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, NULL, 0, NULL, NULL );
  
              utf8Argv[ i ] = new char[ bufSize ];
  
              WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, utf8Argv[i], bufSize, NULL, NULL );
          }
  
          int returnCode = applyCommandLine( argc, utf8Argv );
  
          for ( int i = 0; i < argc; ++i )
              delete [] utf8Argv[ i ];
  
          delete [] utf8Argv;
  
          return returnCode;
      }
  #endif
  
      void Session::useConfigData( ConfigData const& configData ) {
          m_configData = configData;
          m_config.reset();
      }
  
      int Session::run() {
          if( ( m_configData.waitForKeypress & WaitForKeypress::BeforeStart ) != 0 ) {
              Catch::cout() << "...waiting for enter/ return before starting" << std::endl;
              static_cast<void>(std::getchar());
          }
          int exitCode = runInternal();
          if( ( m_configData.waitForKeypress & WaitForKeypress::BeforeExit ) != 0 ) {
              Catch::cout() << "...waiting for enter/ return before exiting, with code: " << exitCode << std::endl;
              static_cast<void>(std::getchar());
          }
          return exitCode;
      }
  
      clara::Parser const& Session::cli() const {
          return m_cli;
      }
      void Session::cli( clara::Parser const& newParser ) {
          m_cli = newParser;
      }
      ConfigData& Session::configData() {
          return m_configData;
      }
      Config& Session::config() {
          if( !m_config )
              m_config = std::make_shared<Config>( m_configData );
          return *m_config;
      }
  
      int Session::runInternal() {
          if( m_startupExceptions )
              return 1;
  
          if (m_configData.showHelp || m_configData.libIdentify) {
              return 0;
          }
  
          CATCH_TRY {
              config(); // Force config to be constructed
  
              seedRng( *m_config );
  
              if( m_configData.filenamesAsTags )
                  applyFilenamesAsTags( *m_config );
  
              // Handle list request
              if( Option<std::size_t> listed = list( m_config ) )
                  return static_cast<int>( *listed );
  
              TestGroup tests { m_config };
              auto const totals = tests.execute();
  
              if( m_config->warnAboutNoTests() && totals.error == -1 )
                  return 2;
  
              // Note that on unices only the lower 8 bits are usually used, clamping
              // the return value to 255 prevents false negative when some multiple
              // of 256 tests has failed
              return (std::min) (MaxExitCode, (std::max) (totals.error, static_cast<int>(totals.assertions.failed)));
          }
  #if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
          catch( std::exception& ex ) {
              Catch::cerr() << ex.what() << std::endl;
              return MaxExitCode;
          }
  #endif
      }
  
  } // end namespace Catch
  // end catch_session.cpp
  // start catch_singletons.cpp
  
  #include <vector>
  
  namespace Catch {
  
      namespace {
          static auto getSingletons() -> std::vector<ISingleton*>*& {
              static std::vector<ISingleton*>* g_singletons = nullptr;
              if( !g_singletons )
                  g_singletons = new std::vector<ISingleton*>();
              return g_singletons;
          }
      }
  
      ISingleton::~ISingleton() {}
  
      void addSingleton(ISingleton* singleton ) {
          getSingletons()->push_back( singleton );
      }
      void cleanupSingletons() {
          auto& singletons = getSingletons();
          for( auto singleton : *singletons )
              delete singleton;
          delete singletons;
          singletons = nullptr;
      }
  
  } // namespace Catch
  // end catch_singletons.cpp
  // start catch_startup_exception_registry.cpp
  
  namespace Catch {
  void StartupExceptionRegistry::add( std::exception_ptr const& exception ) noexcept {
          CATCH_TRY {
              m_exceptions.push_back(exception);
          } CATCH_CATCH_ALL {
              // If we run out of memory during start-up there's really not a lot more we can do about it
              std::terminate();
          }
      }
  
      std::vector<std::exception_ptr> const& StartupExceptionRegistry::getExceptions() const noexcept {
          return m_exceptions;
      }
  
  } // end namespace Catch
  // end catch_startup_exception_registry.cpp
  // start catch_stream.cpp
  
  #include <cstdio>
  #include <iostream>
  #include <fstream>
  #include <sstream>
  #include <vector>
  #include <memory>
  
  namespace Catch {
  
      Catch::IStream::~IStream() = default;
  
      namespace Detail { namespace {
          template<typename WriterF, std::size_t bufferSize=256>
          class StreamBufImpl : public std::streambuf {
              char data[bufferSize];
              WriterF m_writer;
  
          public:
              StreamBufImpl() {
                  setp( data, data + sizeof(data) );
              }
  
              ~StreamBufImpl() noexcept {
                  StreamBufImpl::sync();
              }
  
          private:
              int overflow( int c ) override {
                  sync();
  
                  if( c != EOF ) {
                      if( pbase() == epptr() )
                          m_writer( std::string( 1, static_cast<char>( c ) ) );
                      else
                          sputc( static_cast<char>( c ) );
                  }
                  return 0;
              }
  
              int sync() override {
                  if( pbase() != pptr() ) {
                      m_writer( std::string( pbase(), static_cast<std::string::size_type>( pptr() - pbase() ) ) );
                      setp( pbase(), epptr() );
                  }
                  return 0;
              }
          };
  
          ///////////////////////////////////////////////////////////////////////////
  
          struct OutputDebugWriter {
  
              void operator()( std::string const&str ) {
                  writeToDebugConsole( str );
              }
          };
  
          ///////////////////////////////////////////////////////////////////////////
  
          class FileStream : public IStream {
              mutable std::ofstream m_ofs;
          public:
              FileStream( StringRef filename ) {
                  m_ofs.open( filename.c_str() );
                  CATCH_ENFORCE( !m_ofs.fail(), "Unable to open file: '" << filename << "'" );
              }
              ~FileStream() override = default;
          public: // IStream
              std::ostream& stream() const override {
                  return m_ofs;
              }
          };
  
          ///////////////////////////////////////////////////////////////////////////
  
          class CoutStream : public IStream {
              mutable std::ostream m_os;
          public:
              // Store the streambuf from cout up-front because
              // cout may get redirected when running tests
              CoutStream() : m_os( Catch::cout().rdbuf() ) {}
              ~CoutStream() override = default;
  
          public: // IStream
              std::ostream& stream() const override { return m_os; }
          };
  
          ///////////////////////////////////////////////////////////////////////////
  
          class DebugOutStream : public IStream {
              std::unique_ptr<StreamBufImpl<OutputDebugWriter>> m_streamBuf;
              mutable std::ostream m_os;
          public:
              DebugOutStream()
              :   m_streamBuf( new StreamBufImpl<OutputDebugWriter>() ),
                  m_os( m_streamBuf.get() )
              {}
  
              ~DebugOutStream() override = default;
  
          public: // IStream
              std::ostream& stream() const override { return m_os; }
          };
  
      }} // namespace anon::detail
  
      ///////////////////////////////////////////////////////////////////////////
  
      auto makeStream( StringRef const &filename ) -> IStream const* {
          if( filename.empty() )
              return new Detail::CoutStream();
          else if( filename[0] == '%' ) {
              if( filename == "%debug" )
                  return new Detail::DebugOutStream();
              else
                  CATCH_ERROR( "Unrecognised stream: '" << filename << "'" );
          }
          else
              return new Detail::FileStream( filename );
      }
  
      // This class encapsulates the idea of a pool of ostringstreams that can be reused.
      struct StringStreams {
          std::vector<std::unique_ptr<std::ostringstream>> m_streams;
          std::vector<std::size_t> m_unused;
          std::ostringstream m_referenceStream; // Used for copy state/ flags from
  
          auto add() -> std::size_t {
              if( m_unused.empty() ) {
                  m_streams.push_back( std::unique_ptr<std::ostringstream>( new std::ostringstream ) );
                  return m_streams.size()-1;
              }
              else {
                  auto index = m_unused.back();
                  m_unused.pop_back();
                  return index;
              }
          }
  
          void release( std::size_t index ) {
              m_streams[index]->copyfmt( m_referenceStream ); // Restore initial flags and other state
              m_unused.push_back(index);
          }
      };
  
      ReusableStringStream::ReusableStringStream()
      :   m_index( Singleton<StringStreams>::getMutable().add() ),
          m_oss( Singleton<StringStreams>::getMutable().m_streams[m_index].get() )
      {}
  
      ReusableStringStream::~ReusableStringStream() {
          static_cast<std::ostringstream*>( m_oss )->str("");
          m_oss->clear();
          Singleton<StringStreams>::getMutable().release( m_index );
      }
  
      auto ReusableStringStream::str() const -> std::string {
          return static_cast<std::ostringstream*>( m_oss )->str();
      }
  
      ///////////////////////////////////////////////////////////////////////////
  
  #ifndef CATCH_CONFIG_NOSTDOUT // If you #define this you must implement these functions
      std::ostream& cout() { return std::cout; }
      std::ostream& cerr() { return std::cerr; }
      std::ostream& clog() { return std::clog; }
  #endif
  }
  // end catch_stream.cpp
  // start catch_string_manip.cpp
  
  #include <algorithm>
  #include <ostream>
  #include <cstring>
  #include <cctype>
  #include <vector>
  
  namespace Catch {
  
      namespace {
          char toLowerCh(char c) {
              return static_cast<char>( std::tolower( c ) );
          }
      }
  
      bool startsWith( std::string const& s, std::string const& prefix ) {
          return s.size() >= prefix.size() && std::equal(prefix.begin(), prefix.end(), s.begin());
      }
      bool startsWith( std::string const& s, char prefix ) {
          return !s.empty() && s[0] == prefix;
      }
      bool endsWith( std::string const& s, std::string const& suffix ) {
          return s.size() >= suffix.size() && std::equal(suffix.rbegin(), suffix.rend(), s.rbegin());
      }
      bool endsWith( std::string const& s, char suffix ) {
          return !s.empty() && s[s.size()-1] == suffix;
      }
      bool contains( std::string const& s, std::string const& infix ) {
          return s.find( infix ) != std::string::npos;
      }
      void toLowerInPlace( std::string& s ) {
          std::transform( s.begin(), s.end(), s.begin(), toLowerCh );
      }
      std::string toLower( std::string const& s ) {
          std::string lc = s;
          toLowerInPlace( lc );
          return lc;
      }
      std::string trim( std::string const& str ) {
          static char const* whitespaceChars = "\n\r\t ";
          std::string::size_type start = str.find_first_not_of( whitespaceChars );
          std::string::size_type end = str.find_last_not_of( whitespaceChars );
  
          return start != std::string::npos ? str.substr( start, 1+end-start ) : std::string();
      }
  
      StringRef trim(StringRef ref) {
          const auto is_ws = [](char c) {
              return c == ' ' || c == '\t' || c == '\n' || c == '\r';
          };
          size_t real_begin = 0;
          while (real_begin < ref.size() && is_ws(ref[real_begin])) { ++real_begin; }
          size_t real_end = ref.size();
          while (real_end > real_begin && is_ws(ref[real_end - 1])) { --real_end; }
  
          return ref.substr(real_begin, real_end - real_begin);
      }
  
      bool replaceInPlace( std::string& str, std::string const& replaceThis, std::string const& withThis ) {
          bool replaced = false;
          std::size_t i = str.find( replaceThis );
          while( i != std::string::npos ) {
              replaced = true;
              str = str.substr( 0, i ) + withThis + str.substr( i+replaceThis.size() );
              if( i < str.size()-withThis.size() )
                  i = str.find( replaceThis, i+withThis.size() );
              else
                  i = std::string::npos;
          }
          return replaced;
      }
  
      std::vector<StringRef> splitStringRef( StringRef str, char delimiter ) {
          std::vector<StringRef> subStrings;
          std::size_t start = 0;
          for(std::size_t pos = 0; pos < str.size(); ++pos ) {
              if( str[pos] == delimiter ) {
                  if( pos - start > 1 )
                      subStrings.push_back( str.substr( start, pos-start ) );
                  start = pos+1;
              }
          }
          if( start < str.size() )
              subStrings.push_back( str.substr( start, str.size()-start ) );
          return subStrings;
      }
  
      pluralise::pluralise( std::size_t count, std::string const& label )
      :   m_count( count ),
          m_label( label )
      {}
  
      std::ostream& operator << ( std::ostream& os, pluralise const& pluraliser ) {
          os << pluraliser.m_count << ' ' << pluraliser.m_label;
          if( pluraliser.m_count != 1 )
              os << 's';
          return os;
      }
  
  }
  // end catch_string_manip.cpp
  // start catch_stringref.cpp
  
  #include <algorithm>
  #include <ostream>
  #include <cstring>
  #include <cstdint>
  
  namespace Catch {
      StringRef::StringRef( char const* rawChars ) noexcept
      : StringRef( rawChars, static_cast<StringRef::size_type>(std::strlen(rawChars) ) )
      {}
  
      auto StringRef::c_str() const -> char const* {
          CATCH_ENFORCE(isNullTerminated(), "Called StringRef::c_str() on a non-null-terminated instance");
          return m_start;
      }
      auto StringRef::data() const noexcept -> char const* {
          return m_start;
      }
  
      auto StringRef::substr( size_type start, size_type size ) const noexcept -> StringRef {
          if (start < m_size) {
              return StringRef(m_start + start, (std::min)(m_size - start, size));
          } else {
              return StringRef();
          }
      }
      auto StringRef::operator == ( StringRef const& other ) const noexcept -> bool {
          return m_size == other.m_size
              && (std::memcmp( m_start, other.m_start, m_size ) == 0);
      }
  
      auto operator << ( std::ostream& os, StringRef const& str ) -> std::ostream& {
          return os.write(str.data(), str.size());
      }
  
      auto operator+=( std::string& lhs, StringRef const& rhs ) -> std::string& {
          lhs.append(rhs.data(), rhs.size());
          return lhs;
      }
  
  } // namespace Catch
  // end catch_stringref.cpp
  // start catch_tag_alias.cpp
  
  namespace Catch {
      TagAlias::TagAlias(std::string const & _tag, SourceLineInfo _lineInfo): tag(_tag), lineInfo(_lineInfo) {}
  }
  // end catch_tag_alias.cpp
  // start catch_tag_alias_autoregistrar.cpp
  
  namespace Catch {
  
      RegistrarForTagAliases::RegistrarForTagAliases(char const* alias, char const* tag, SourceLineInfo const& lineInfo) {
          CATCH_TRY {
              getMutableRegistryHub().registerTagAlias(alias, tag, lineInfo);
          } CATCH_CATCH_ALL {
              // Do not throw when constructing global objects, instead register the exception to be processed later
              getMutableRegistryHub().registerStartupException();
          }
      }
  
  }
  // end catch_tag_alias_autoregistrar.cpp
  // start catch_tag_alias_registry.cpp
  
  #include <sstream>
  
  namespace Catch {
  
      TagAliasRegistry::~TagAliasRegistry() {}
  
      TagAlias const* TagAliasRegistry::find( std::string const& alias ) const {
          auto it = m_registry.find( alias );
          if( it != m_registry.end() )
              return &(it->second);
          else
              return nullptr;
      }
  
      std::string TagAliasRegistry::expandAliases( std::string const& unexpandedTestSpec ) const {
          std::string expandedTestSpec = unexpandedTestSpec;
          for( auto const& registryKvp : m_registry ) {
              std::size_t pos = expandedTestSpec.find( registryKvp.first );
              if( pos != std::string::npos ) {
                  expandedTestSpec =  expandedTestSpec.substr( 0, pos ) +
                                      registryKvp.second.tag +
                                      expandedTestSpec.substr( pos + registryKvp.first.size() );
              }
          }
          return expandedTestSpec;
      }
  
      void TagAliasRegistry::add( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo ) {
          CATCH_ENFORCE( startsWith(alias, "[@") && endsWith(alias, ']'),
                        "error: tag alias, '" << alias << "' is not of the form [@alias name].\n" << lineInfo );
  
          CATCH_ENFORCE( m_registry.insert(std::make_pair(alias, TagAlias(tag, lineInfo))).second,
                        "error: tag alias, '" << alias << "' already registered.\n"
                        << "\tFirst seen at: " << find(alias)->lineInfo << "\n"
                        << "\tRedefined at: " << lineInfo );
      }
  
      ITagAliasRegistry::~ITagAliasRegistry() {}
  
      ITagAliasRegistry const& ITagAliasRegistry::get() {
          return getRegistryHub().getTagAliasRegistry();
      }
  
  } // end namespace Catch
  // end catch_tag_alias_registry.cpp
  // start catch_test_case_info.cpp
  
  #include <cctype>
  #include <exception>
  #include <algorithm>
  #include <sstream>
  
  namespace Catch {
  
      namespace {
          TestCaseInfo::SpecialProperties parseSpecialTag( std::string const& tag ) {
              if( startsWith( tag, '.' ) ||
                  tag == "!hide" )
                  return TestCaseInfo::IsHidden;
              else if( tag == "!throws" )
                  return TestCaseInfo::Throws;
              else if( tag == "!shouldfail" )
                  return TestCaseInfo::ShouldFail;
              else if( tag == "!mayfail" )
                  return TestCaseInfo::MayFail;
              else if( tag == "!nonportable" )
                  return TestCaseInfo::NonPortable;
              else if( tag == "!benchmark" )
                  return static_cast<TestCaseInfo::SpecialProperties>( TestCaseInfo::Benchmark | TestCaseInfo::IsHidden );
              else
                  return TestCaseInfo::None;
          }
          bool isReservedTag( std::string const& tag ) {
              return parseSpecialTag( tag ) == TestCaseInfo::None && tag.size() > 0 && !std::isalnum( static_cast<unsigned char>(tag[0]) );
          }
          void enforceNotReservedTag( std::string const& tag, SourceLineInfo const& _lineInfo ) {
              CATCH_ENFORCE( !isReservedTag(tag),
                            "Tag name: [" << tag << "] is not allowed.\n"
                            << "Tag names starting with non alphanumeric characters are reserved\n"
                            << _lineInfo );
          }
      }
  
      TestCase makeTestCase(  ITestInvoker* _testCase,
                              std::string const& _className,
                              NameAndTags const& nameAndTags,
                              SourceLineInfo const& _lineInfo )
      {
          bool isHidden = false;
  
          // Parse out tags
          std::vector<std::string> tags;
          std::string desc, tag;
          bool inTag = false;
          for (char c : nameAndTags.tags) {
              if( !inTag ) {
                  if( c == '[' )
                      inTag = true;
                  else
                      desc += c;
              }
              else {
                  if( c == ']' ) {
                      TestCaseInfo::SpecialProperties prop = parseSpecialTag( tag );
                      if( ( prop & TestCaseInfo::IsHidden ) != 0 )
                          isHidden = true;
                      else if( prop == TestCaseInfo::None )
                          enforceNotReservedTag( tag, _lineInfo );
  
                      // Merged hide tags like `[.approvals]` should be added as
                      // `[.][approvals]`. The `[.]` is added at later point, so
                      // we only strip the prefix
                      if (startsWith(tag, '.') && tag.size() > 1) {
                          tag.erase(0, 1);
                      }
                      tags.push_back( tag );
                      tag.clear();
                      inTag = false;
                  }
                  else
                      tag += c;
              }
          }
          if( isHidden ) {
              tags.push_back( "." );
          }
  
          TestCaseInfo info( static_cast<std::string>(nameAndTags.name), _className, desc, tags, _lineInfo );
          return TestCase( _testCase, std::move(info) );
      }
  
      void setTags( TestCaseInfo& testCaseInfo, std::vector<std::string> tags ) {
          std::sort(begin(tags), end(tags));
          tags.erase(std::unique(begin(tags), end(tags)), end(tags));
          testCaseInfo.lcaseTags.clear();
  
          for( auto const& tag : tags ) {
              std::string lcaseTag = toLower( tag );
              testCaseInfo.properties = static_cast<TestCaseInfo::SpecialProperties>( testCaseInfo.properties | parseSpecialTag( lcaseTag ) );
              testCaseInfo.lcaseTags.push_back( lcaseTag );
          }
          testCaseInfo.tags = std::move(tags);
      }
  
      TestCaseInfo::TestCaseInfo( std::string const& _name,
                                  std::string const& _className,
                                  std::string const& _description,
                                  std::vector<std::string> const& _tags,
                                  SourceLineInfo const& _lineInfo )
      :   name( _name ),
          className( _className ),
          description( _description ),
          lineInfo( _lineInfo ),
          properties( None )
      {
          setTags( *this, _tags );
      }
  
      bool TestCaseInfo::isHidden() const {
          return ( properties & IsHidden ) != 0;
      }
      bool TestCaseInfo::throws() const {
          return ( properties & Throws ) != 0;
      }
      bool TestCaseInfo::okToFail() const {
          return ( properties & (ShouldFail | MayFail ) ) != 0;
      }
      bool TestCaseInfo::expectedToFail() const {
          return ( properties & (ShouldFail ) ) != 0;
      }
  
      std::string TestCaseInfo::tagsAsString() const {
          std::string ret;
          // '[' and ']' per tag
          std::size_t full_size = 2 * tags.size();
          for (const auto& tag : tags) {
              full_size += tag.size();
          }
          ret.reserve(full_size);
          for (const auto& tag : tags) {
              ret.push_back('[');
              ret.append(tag);
              ret.push_back(']');
          }
  
          return ret;
      }
  
      TestCase::TestCase( ITestInvoker* testCase, TestCaseInfo&& info ) : TestCaseInfo( std::move(info) ), test( testCase ) {}
  
      TestCase TestCase::withName( std::string const& _newName ) const {
          TestCase other( *this );
          other.name = _newName;
          return other;
      }
  
      void TestCase::invoke() const {
          test->invoke();
      }
  
      bool TestCase::operator == ( TestCase const& other ) const {
          return  test.get() == other.test.get() &&
                  name == other.name &&
                  className == other.className;
      }
  
      bool TestCase::operator < ( TestCase const& other ) const {
          return name < other.name;
      }
  
      TestCaseInfo const& TestCase::getTestCaseInfo() const
      {
          return *this;
      }
  
  } // end namespace Catch
  // end catch_test_case_info.cpp
  // start catch_test_case_registry_impl.cpp
  
  #include <sstream>
  
  namespace Catch {
  
      std::vector<TestCase> sortTests( IConfig const& config, std::vector<TestCase> const& unsortedTestCases ) {
  
          std::vector<TestCase> sorted = unsortedTestCases;
  
          switch( config.runOrder() ) {
              case RunTests::InLexicographicalOrder:
                  std::sort( sorted.begin(), sorted.end() );
                  break;
              case RunTests::InRandomOrder:
                  seedRng( config );
                  std::shuffle( sorted.begin(), sorted.end(), rng() );
                  break;
              case RunTests::InDeclarationOrder:
                  // already in declaration order
                  break;
          }
          return sorted;
      }
  
      bool isThrowSafe( TestCase const& testCase, IConfig const& config ) {
          return !testCase.throws() || config.allowThrows();
      }
  
      bool matchTest( TestCase const& testCase, TestSpec const& testSpec, IConfig const& config ) {
          return testSpec.matches( testCase ) && isThrowSafe( testCase, config );
      }
  
      void enforceNoDuplicateTestCases( std::vector<TestCase> const& functions ) {
          std::set<TestCase> seenFunctions;
          for( auto const& function : functions ) {
              auto prev = seenFunctions.insert( function );
              CATCH_ENFORCE( prev.second,
                      "error: TEST_CASE( \"" << function.name << "\" ) already defined.\n"
                      << "\tFirst seen at " << prev.first->getTestCaseInfo().lineInfo << "\n"
                      << "\tRedefined at " << function.getTestCaseInfo().lineInfo );
          }
      }
  
      std::vector<TestCase> filterTests( std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config ) {
          std::vector<TestCase> filtered;
          filtered.reserve( testCases.size() );
          for (auto const& testCase : testCases) {
              if ((!testSpec.hasFilters() && !testCase.isHidden()) ||
                  (testSpec.hasFilters() && matchTest(testCase, testSpec, config))) {
                  filtered.push_back(testCase);
              }
          }
          return filtered;
      }
      std::vector<TestCase> const& getAllTestCasesSorted( IConfig const& config ) {
          return getRegistryHub().getTestCaseRegistry().getAllTestsSorted( config );
      }
  
      void TestRegistry::registerTest( TestCase const& testCase ) {
          std::string name = testCase.getTestCaseInfo().name;
          if( name.empty() ) {
              ReusableStringStream rss;
              rss << "Anonymous test case " << ++m_unnamedCount;
              return registerTest( testCase.withName( rss.str() ) );
          }
          m_functions.push_back( testCase );
      }
  
      std::vector<TestCase> const& TestRegistry::getAllTests() const {
          return m_functions;
      }
      std::vector<TestCase> const& TestRegistry::getAllTestsSorted( IConfig const& config ) const {
          if( m_sortedFunctions.empty() )
              enforceNoDuplicateTestCases( m_functions );
  
          if(  m_currentSortOrder != config.runOrder() || m_sortedFunctions.empty() ) {
              m_sortedFunctions = sortTests( config, m_functions );
              m_currentSortOrder = config.runOrder();
          }
          return m_sortedFunctions;
      }
  
      ///////////////////////////////////////////////////////////////////////////
      TestInvokerAsFunction::TestInvokerAsFunction( void(*testAsFunction)() ) noexcept : m_testAsFunction( testAsFunction ) {}
  
      void TestInvokerAsFunction::invoke() const {
          m_testAsFunction();
      }
  
      std::string extractClassName( StringRef const& classOrQualifiedMethodName ) {
          std::string className(classOrQualifiedMethodName);
          if( startsWith( className, '&' ) )
          {
              std::size_t lastColons = className.rfind( "::" );
              std::size_t penultimateColons = className.rfind( "::", lastColons-1 );
              if( penultimateColons == std::string::npos )
                  penultimateColons = 1;
              className = className.substr( penultimateColons, lastColons-penultimateColons );
          }
          return className;
      }
  
  } // end namespace Catch
  // end catch_test_case_registry_impl.cpp
  // start catch_test_case_tracker.cpp
  
  #include <algorithm>
  #include <cassert>
  #include <stdexcept>
  #include <memory>
  #include <sstream>
  
  #if defined(__clang__)
  #    pragma clang diagnostic push
  #    pragma clang diagnostic ignored "-Wexit-time-destructors"
  #endif
  
  namespace Catch {
  namespace TestCaseTracking {
  
      NameAndLocation::NameAndLocation( std::string const& _name, SourceLineInfo const& _location )
      :   name( _name ),
          location( _location )
      {}
  
      ITracker::~ITracker() = default;
  
      ITracker& TrackerContext::startRun() {
          m_rootTracker = std::make_shared<SectionTracker>( NameAndLocation( "{root}", CATCH_INTERNAL_LINEINFO ), *this, nullptr );
          m_currentTracker = nullptr;
          m_runState = Executing;
          return *m_rootTracker;
      }
  
      void TrackerContext::endRun() {
          m_rootTracker.reset();
          m_currentTracker = nullptr;
          m_runState = NotStarted;
      }
  
      void TrackerContext::startCycle() {
          m_currentTracker = m_rootTracker.get();
          m_runState = Executing;
      }
      void TrackerContext::completeCycle() {
          m_runState = CompletedCycle;
      }
  
      bool TrackerContext::completedCycle() const {
          return m_runState == CompletedCycle;
      }
      ITracker& TrackerContext::currentTracker() {
          return *m_currentTracker;
      }
      void TrackerContext::setCurrentTracker( ITracker* tracker ) {
          m_currentTracker = tracker;
      }
  
      TrackerBase::TrackerBase( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent )
      :   m_nameAndLocation( nameAndLocation ),
          m_ctx( ctx ),
          m_parent( parent )
      {}
  
      NameAndLocation const& TrackerBase::nameAndLocation() const {
          return m_nameAndLocation;
      }
      bool TrackerBase::isComplete() const {
          return m_runState == CompletedSuccessfully || m_runState == Failed;
      }
      bool TrackerBase::isSuccessfullyCompleted() const {
          return m_runState == CompletedSuccessfully;
      }
      bool TrackerBase::isOpen() const {
          return m_runState != NotStarted && !isComplete();
      }
      bool TrackerBase::hasChildren() const {
          return !m_children.empty();
      }
  
      void TrackerBase::addChild( ITrackerPtr const& child ) {
          m_children.push_back( child );
      }
  
      ITrackerPtr TrackerBase::findChild( NameAndLocation const& nameAndLocation ) {
          auto it = std::find_if( m_children.begin(), m_children.end(),
              [&nameAndLocation]( ITrackerPtr const& tracker ){
                  return
                      tracker->nameAndLocation().location == nameAndLocation.location &&
                      tracker->nameAndLocation().name == nameAndLocation.name;
              } );
          return( it != m_children.end() )
              ? *it
              : nullptr;
      }
      ITracker& TrackerBase::parent() {
          assert( m_parent ); // Should always be non-null except for root
          return *m_parent;
      }
  
      void TrackerBase::openChild() {
          if( m_runState != ExecutingChildren ) {
              m_runState = ExecutingChildren;
              if( m_parent )
                  m_parent->openChild();
          }
      }
  
      bool TrackerBase::isSectionTracker() const { return false; }
      bool TrackerBase::isGeneratorTracker() const { return false; }
  
      void TrackerBase::open() {
          m_runState = Executing;
          moveToThis();
          if( m_parent )
              m_parent->openChild();
      }
  
      void TrackerBase::close() {
  
          // Close any still open children (e.g. generators)
          while( &m_ctx.currentTracker() != this )
              m_ctx.currentTracker().close();
  
          switch( m_runState ) {
              case NeedsAnotherRun:
                  break;
  
              case Executing:
                  m_runState = CompletedSuccessfully;
                  break;
              case ExecutingChildren:
                  if( std::all_of(m_children.begin(), m_children.end(), [](ITrackerPtr const& t){ return t->isComplete(); }) )
                      m_runState = CompletedSuccessfully;
                  break;
  
              case NotStarted:
              case CompletedSuccessfully:
              case Failed:
                  CATCH_INTERNAL_ERROR( "Illogical state: " << m_runState );
  
              default:
                  CATCH_INTERNAL_ERROR( "Unknown state: " << m_runState );
          }
          moveToParent();
          m_ctx.completeCycle();
      }
      void TrackerBase::fail() {
          m_runState = Failed;
          if( m_parent )
              m_parent->markAsNeedingAnotherRun();
          moveToParent();
          m_ctx.completeCycle();
      }
      void TrackerBase::markAsNeedingAnotherRun() {
          m_runState = NeedsAnotherRun;
      }
  
      void TrackerBase::moveToParent() {
          assert( m_parent );
          m_ctx.setCurrentTracker( m_parent );
      }
      void TrackerBase::moveToThis() {
          m_ctx.setCurrentTracker( this );
      }
  
      SectionTracker::SectionTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent )
      :   TrackerBase( nameAndLocation, ctx, parent ),
          m_trimmed_name(trim(nameAndLocation.name))
      {
          if( parent ) {
              while( !parent->isSectionTracker() )
                  parent = &parent->parent();
  
              SectionTracker& parentSection = static_cast<SectionTracker&>( *parent );
              addNextFilters( parentSection.m_filters );
          }
      }
  
      bool SectionTracker::isComplete() const {
          bool complete = true;
  
          if ((m_filters.empty() || m_filters[0] == "")
              || std::find(m_filters.begin(), m_filters.end(), m_trimmed_name) != m_filters.end()) {
              complete = TrackerBase::isComplete();
          }
          return complete;
      }
  
      bool SectionTracker::isSectionTracker() const { return true; }
  
      SectionTracker& SectionTracker::acquire( TrackerContext& ctx, NameAndLocation const& nameAndLocation ) {
          std::shared_ptr<SectionTracker> section;
  
          ITracker& currentTracker = ctx.currentTracker();
          if( ITrackerPtr childTracker = currentTracker.findChild( nameAndLocation ) ) {
              assert( childTracker );
              assert( childTracker->isSectionTracker() );
              section = std::static_pointer_cast<SectionTracker>( childTracker );
          }
          else {
              section = std::make_shared<SectionTracker>( nameAndLocation, ctx, &currentTracker );
              currentTracker.addChild( section );
          }
          if( !ctx.completedCycle() )
              section->tryOpen();
          return *section;
      }
  
      void SectionTracker::tryOpen() {
          if( !isComplete() )
              open();
      }
  
      void SectionTracker::addInitialFilters( std::vector<std::string> const& filters ) {
          if( !filters.empty() ) {
              m_filters.reserve( m_filters.size() + filters.size() + 2 );
              m_filters.push_back(""); // Root - should never be consulted
              m_filters.push_back(""); // Test Case - not a section filter
              m_filters.insert( m_filters.end(), filters.begin(), filters.end() );
          }
      }
      void SectionTracker::addNextFilters( std::vector<std::string> const& filters ) {
          if( filters.size() > 1 )
              m_filters.insert( m_filters.end(), filters.begin()+1, filters.end() );
      }
  
  } // namespace TestCaseTracking
  
  using TestCaseTracking::ITracker;
  using TestCaseTracking::TrackerContext;
  using TestCaseTracking::SectionTracker;
  
  } // namespace Catch
  
  #if defined(__clang__)
  #    pragma clang diagnostic pop
  #endif
  // end catch_test_case_tracker.cpp
  // start catch_test_registry.cpp
  
  namespace Catch {
  
      auto makeTestInvoker( void(*testAsFunction)() ) noexcept -> ITestInvoker* {
          return new(std::nothrow) TestInvokerAsFunction( testAsFunction );
      }
  
      NameAndTags::NameAndTags( StringRef const& name_ , StringRef const& tags_ ) noexcept : name( name_ ), tags( tags_ ) {}
  
      AutoReg::AutoReg( ITestInvoker* invoker, SourceLineInfo const& lineInfo, StringRef const& classOrMethod, NameAndTags const& nameAndTags ) noexcept {
          CATCH_TRY {
              getMutableRegistryHub()
                      .registerTest(
                          makeTestCase(
                              invoker,
                              extractClassName( classOrMethod ),
                              nameAndTags,
                              lineInfo));
          } CATCH_CATCH_ALL {
              // Do not throw when constructing global objects, instead register the exception to be processed later
              getMutableRegistryHub().registerStartupException();
          }
      }
  
      AutoReg::~AutoReg() = default;
  }
  // end catch_test_registry.cpp
  // start catch_test_spec.cpp
  
  #include <algorithm>
  #include <string>
  #include <vector>
  #include <memory>
  
  namespace Catch {
  
      TestSpec::Pattern::Pattern( std::string const& name )
      : m_name( name )
      {}
  
      TestSpec::Pattern::~Pattern() = default;
  
      std::string const& TestSpec::Pattern::name() const {
          return m_name;
      }
  
      TestSpec::NamePattern::NamePattern( std::string const& name, std::string const& filterString )
      : Pattern( filterString )
      , m_wildcardPattern( toLower( name ), CaseSensitive::No )
      {}
  
      bool TestSpec::NamePattern::matches( TestCaseInfo const& testCase ) const {
          return m_wildcardPattern.matches( testCase.name );
      }
  
      TestSpec::TagPattern::TagPattern( std::string const& tag, std::string const& filterString )
      : Pattern( filterString )
      , m_tag( toLower( tag ) )
      {}
  
      bool TestSpec::TagPattern::matches( TestCaseInfo const& testCase ) const {
          return std::find(begin(testCase.lcaseTags),
                           end(testCase.lcaseTags),
                           m_tag) != end(testCase.lcaseTags);
      }
  
      TestSpec::ExcludedPattern::ExcludedPattern( PatternPtr const& underlyingPattern )
      : Pattern( underlyingPattern->name() )
      , m_underlyingPattern( underlyingPattern )
      {}
  
      bool TestSpec::ExcludedPattern::matches( TestCaseInfo const& testCase ) const {
          return !m_underlyingPattern->matches( testCase );
      }
  
      bool TestSpec::Filter::matches( TestCaseInfo const& testCase ) const {
          return std::all_of( m_patterns.begin(), m_patterns.end(), [&]( PatternPtr const& p ){ return p->matches( testCase ); } );
      }
  
      std::string TestSpec::Filter::name() const {
          std::string name;
          for( auto const& p : m_patterns )
              name += p->name();
          return name;
      }
  
      bool TestSpec::hasFilters() const {
          return !m_filters.empty();
      }
  
      bool TestSpec::matches( TestCaseInfo const& testCase ) const {
          return std::any_of( m_filters.begin(), m_filters.end(), [&]( Filter const& f ){ return f.matches( testCase ); } );
      }
  
      TestSpec::Matches TestSpec::matchesByFilter( std::vector<TestCase> const& testCases, IConfig const& config ) const
      {
          Matches matches( m_filters.size() );
          std::transform( m_filters.begin(), m_filters.end(), matches.begin(), [&]( Filter const& filter ){
              std::vector<TestCase const*> currentMatches;
              for( auto const& test : testCases )
                  if( isThrowSafe( test, config ) && filter.matches( test ) )
                      currentMatches.emplace_back( &test );
              return FilterMatch{ filter.name(), currentMatches };
          } );
          return matches;
      }
  
      const TestSpec::vectorStrings& TestSpec::getInvalidArgs() const{
          return  (m_invalidArgs);
      }
  
  }
  // end catch_test_spec.cpp
  // start catch_test_spec_parser.cpp
  
  namespace Catch {
  
      TestSpecParser::TestSpecParser( ITagAliasRegistry const& tagAliases ) : m_tagAliases( &tagAliases ) {}
  
      TestSpecParser& TestSpecParser::parse( std::string const& arg ) {
          m_mode = None;
          m_exclusion = false;
          m_arg = m_tagAliases->expandAliases( arg );
          m_escapeChars.clear();
          m_substring.reserve(m_arg.size());
          m_patternName.reserve(m_arg.size());
          m_realPatternPos = 0;
  
          for( m_pos = 0; m_pos < m_arg.size(); ++m_pos )
            //if visitChar fails
             if( !visitChar( m_arg[m_pos] ) ){
                 m_testSpec.m_invalidArgs.push_back(arg);
                 break;
             }
          endMode();
          return *this;
      }
      TestSpec TestSpecParser::testSpec() {
          addFilter();
          return m_testSpec;
      }
      bool TestSpecParser::visitChar( char c ) {
          if( (m_mode != EscapedName) && (c == '\\') ) {
              escape();
              addCharToPattern(c);
              return true;
          }else if((m_mode != EscapedName) && (c == ',') )  {
              return separate();
          }
  
          switch( m_mode ) {
          case None:
              if( processNoneChar( c ) )
                  return true;
              break;
          case Name:
              processNameChar( c );
              break;
          case EscapedName:
              endMode();
              addCharToPattern(c);
              return true;
          default:
          case Tag:
          case QuotedName:
              if( processOtherChar( c ) )
                  return true;
              break;
          }
  
          m_substring += c;
          if( !isControlChar( c ) ) {
              m_patternName += c;
              m_realPatternPos++;
          }
          return true;
      }
      // Two of the processing methods return true to signal the caller to return
      // without adding the given character to the current pattern strings
      bool TestSpecParser::processNoneChar( char c ) {
          switch( c ) {
          case ' ':
              return true;
          case '~':
              m_exclusion = true;
              return false;
          case '[':
              startNewMode( Tag );
              return false;
          case '"':
              startNewMode( QuotedName );
              return false;
          default:
              startNewMode( Name );
              return false;
          }
      }
      void TestSpecParser::processNameChar( char c ) {
          if( c == '[' ) {
              if( m_substring == "exclude:" )
                  m_exclusion = true;
              else
                  endMode();
              startNewMode( Tag );
          }
      }
      bool TestSpecParser::processOtherChar( char c ) {
          if( !isControlChar( c ) )
              return false;
          m_substring += c;
          endMode();
          return true;
      }
      void TestSpecParser::startNewMode( Mode mode ) {
          m_mode = mode;
      }
      void TestSpecParser::endMode() {
          switch( m_mode ) {
          case Name:
          case QuotedName:
              return addNamePattern();
          case Tag:
              return addTagPattern();
          case EscapedName:
              revertBackToLastMode();
              return;
          case None:
          default:
              return startNewMode( None );
          }
      }
      void TestSpecParser::escape() {
          saveLastMode();
          m_mode = EscapedName;
          m_escapeChars.push_back(m_realPatternPos);
      }
      bool TestSpecParser::isControlChar( char c ) const {
          switch( m_mode ) {
              default:
                  return false;
              case None:
                  return c == '~';
              case Name:
                  return c == '[';
              case EscapedName:
                  return true;
              case QuotedName:
                  return c == '"';
              case Tag:
                  return c == '[' || c == ']';
          }
      }
  
      void TestSpecParser::addFilter() {
          if( !m_currentFilter.m_patterns.empty() ) {
              m_testSpec.m_filters.push_back( m_currentFilter );
              m_currentFilter = TestSpec::Filter();
          }
      }
  
      void TestSpecParser::saveLastMode() {
        lastMode = m_mode;
      }
  
      void TestSpecParser::revertBackToLastMode() {
        m_mode = lastMode;
      }
  
      bool TestSpecParser::separate() {
        if( (m_mode==QuotedName) || (m_mode==Tag) ){
           //invalid argument, signal failure to previous scope.
           m_mode = None;
           m_pos = m_arg.size();
           m_substring.clear();
           m_patternName.clear();
           return false;
        }
        endMode();
        addFilter();
        return true; //success
      }
  
      std::string TestSpecParser::preprocessPattern() {
          std::string token = m_patternName;
          for (std::size_t i = 0; i < m_escapeChars.size(); ++i)
              token = token.substr(0, m_escapeChars[i] - i) + token.substr(m_escapeChars[i] - i + 1);
          m_escapeChars.clear();
          if (startsWith(token, "exclude:")) {
              m_exclusion = true;
              token = token.substr(8);
          }
  
          m_patternName.clear();
  
          return token;
      }
  
      void TestSpecParser::addNamePattern() {
          auto token = preprocessPattern();
  
          if (!token.empty()) {
              TestSpec::PatternPtr pattern = std::make_shared<TestSpec::NamePattern>(token, m_substring);
              if (m_exclusion)
                  pattern = std::make_shared<TestSpec::ExcludedPattern>(pattern);
              m_currentFilter.m_patterns.push_back(pattern);
          }
          m_substring.clear();
          m_exclusion = false;
          m_mode = None;
      }
  
      void TestSpecParser::addTagPattern() {
          auto token = preprocessPattern();
  
          if (!token.empty()) {
              // If the tag pattern is the "hide and tag" shorthand (e.g. [.foo])
              // we have to create a separate hide tag and shorten the real one
              if (token.size() > 1 && token[0] == '.') {
                  token.erase(token.begin());
                  TestSpec::PatternPtr pattern = std::make_shared<TestSpec::TagPattern>(".", m_substring);
                  if (m_exclusion) {
                      pattern = std::make_shared<TestSpec::ExcludedPattern>(pattern);
                  }
                  m_currentFilter.m_patterns.push_back(pattern);
              }
  
              TestSpec::PatternPtr pattern = std::make_shared<TestSpec::TagPattern>(token, m_substring);
  
              if (m_exclusion) {
                  pattern = std::make_shared<TestSpec::ExcludedPattern>(pattern);
              }
              m_currentFilter.m_patterns.push_back(pattern);
          }
          m_substring.clear();
          m_exclusion = false;
          m_mode = None;
      }
  
      TestSpec parseTestSpec( std::string const& arg ) {
          return TestSpecParser( ITagAliasRegistry::get() ).parse( arg ).testSpec();
      }
  
  } // namespace Catch
  // end catch_test_spec_parser.cpp
  // start catch_timer.cpp
  
  #include <chrono>
  
  static const uint64_t nanosecondsInSecond = 1000000000;
  
  namespace Catch {
  
      auto getCurrentNanosecondsSinceEpoch() -> uint64_t {
          return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
      }
  
      namespace {
          auto estimateClockResolution() -> uint64_t {
              uint64_t sum = 0;
              static const uint64_t iterations = 1000000;
  
              auto startTime = getCurrentNanosecondsSinceEpoch();
  
              for( std::size_t i = 0; i < iterations; ++i ) {
  
                  uint64_t ticks;
                  uint64_t baseTicks = getCurrentNanosecondsSinceEpoch();
                  do {
                      ticks = getCurrentNanosecondsSinceEpoch();
                  } while( ticks == baseTicks );
  
                  auto delta = ticks - baseTicks;
                  sum += delta;
  
                  // If we have been calibrating for over 3 seconds -- the clock
                  // is terrible and we should move on.
                  // TBD: How to signal that the measured resolution is probably wrong?
                  if (ticks > startTime + 3 * nanosecondsInSecond) {
                      return sum / ( i + 1u );
                  }
              }
  
              // We're just taking the mean, here. To do better we could take the std. dev and exclude outliers
              // - and potentially do more iterations if there's a high variance.
              return sum/iterations;
          }
      }
      auto getEstimatedClockResolution() -> uint64_t {
          static auto s_resolution = estimateClockResolution();
          return s_resolution;
      }
  
      void Timer::start() {
         m_nanoseconds = getCurrentNanosecondsSinceEpoch();
      }
      auto Timer::getElapsedNanoseconds() const -> uint64_t {
          return getCurrentNanosecondsSinceEpoch() - m_nanoseconds;
      }
      auto Timer::getElapsedMicroseconds() const -> uint64_t {
          return getElapsedNanoseconds()/1000;
      }
      auto Timer::getElapsedMilliseconds() const -> unsigned int {
          return static_cast<unsigned int>(getElapsedMicroseconds()/1000);
      }
      auto Timer::getElapsedSeconds() const -> double {
          return getElapsedMicroseconds()/1000000.0;
      }
  
  } // namespace Catch
  // end catch_timer.cpp
  // start catch_tostring.cpp
  
  #if defined(__clang__)
  #    pragma clang diagnostic push
  #    pragma clang diagnostic ignored "-Wexit-time-destructors"
  #    pragma clang diagnostic ignored "-Wglobal-constructors"
  #endif
  
  // Enable specific decls locally
  #if !defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
  #define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
  #endif
  
  #include <cmath>
  #include <iomanip>
  
  namespace Catch {
  
  namespace Detail {
  
      const std::string unprintableString = "{?}";
  
      namespace {
          const int hexThreshold = 255;
  
          struct Endianness {
              enum Arch { Big, Little };
  
              static Arch which() {
                  int one = 1;
                  // If the lowest byte we read is non-zero, we can assume
                  // that little endian format is used.
                  auto value = *reinterpret_cast<char*>(&one);
                  return value ? Little : Big;
              }
          };
      }
  
      std::string rawMemoryToString( const void *object, std::size_t size ) {
          // Reverse order for little endian architectures
          int i = 0, end = static_cast<int>( size ), inc = 1;
          if( Endianness::which() == Endianness::Little ) {
              i = end-1;
              end = inc = -1;
          }
  
          unsigned char const *bytes = static_cast<unsigned char const *>(object);
          ReusableStringStream rss;
          rss << "0x" << std::setfill('0') << std::hex;
          for( ; i != end; i += inc )
               rss << std::setw(2) << static_cast<unsigned>(bytes[i]);
         return rss.str();
      }
  }
  
  template<typename T>
  std::string fpToString( T value, int precision ) {
      if (Catch::isnan(value)) {
          return "nan";
      }
  
      ReusableStringStream rss;
      rss << std::setprecision( precision )
          << std::fixed
          << value;
      std::string d = rss.str();
      std::size_t i = d.find_last_not_of( '0' );
      if( i != std::string::npos && i != d.size()-1 ) {
          if( d[i] == '.' )
              i++;
          d = d.substr( 0, i+1 );
      }
      return d;
  }
  
  //// ======================================================= ////
  //
  //   Out-of-line defs for full specialization of StringMaker
  //
  //// ======================================================= ////
  
  std::string StringMaker<std::string>::convert(const std::string& str) {
      if (!getCurrentContext().getConfig()->showInvisibles()) {
          return '"' + str + '"';
      }
  
      std::string s("\"");
      for (char c : str) {
          switch (c) {
          case '\n':
              s.append("\\n");
              break;
          case '\t':
              s.append("\\t");
              break;
          default:
              s.push_back(c);
              break;
          }
      }
      s.append("\"");
      return s;
  }
  
  #ifdef CATCH_CONFIG_CPP17_STRING_VIEW
  std::string StringMaker<std::string_view>::convert(std::string_view str) {
      return ::Catch::Detail::stringify(std::string{ str });
  }
  #endif
  
  std::string StringMaker<char const*>::convert(char const* str) {
      if (str) {
          return ::Catch::Detail::stringify(std::string{ str });
      } else {
          return{ "{null string}" };
      }
  }
  std::string StringMaker<char*>::convert(char* str) {
      if (str) {
          return ::Catch::Detail::stringify(std::string{ str });
      } else {
          return{ "{null string}" };
      }
  }
  
  #ifdef CATCH_CONFIG_WCHAR
  std::string StringMaker<std::wstring>::convert(const std::wstring& wstr) {
      std::string s;
      s.reserve(wstr.size());
      for (auto c : wstr) {
          s += (c <= 0xff) ? static_cast<char>(c) : '?';
      }
      return ::Catch::Detail::stringify(s);
  }
  
  # ifdef CATCH_CONFIG_CPP17_STRING_VIEW
  std::string StringMaker<std::wstring_view>::convert(std::wstring_view str) {
      return StringMaker<std::wstring>::convert(std::wstring(str));
  }
  # endif
  
  std::string StringMaker<wchar_t const*>::convert(wchar_t const * str) {
      if (str) {
          return ::Catch::Detail::stringify(std::wstring{ str });
      } else {
          return{ "{null string}" };
      }
  }
  std::string StringMaker<wchar_t *>::convert(wchar_t * str) {
      if (str) {
          return ::Catch::Detail::stringify(std::wstring{ str });
      } else {
          return{ "{null string}" };
      }
  }
  #endif
  
  #if defined(CATCH_CONFIG_CPP17_BYTE)
  #include <cstddef>
  std::string StringMaker<std::byte>::convert(std::byte value) {
      return ::Catch::Detail::stringify(std::to_integer<unsigned long long>(value));
  }
  #endif // defined(CATCH_CONFIG_CPP17_BYTE)
  
  std::string StringMaker<int>::convert(int value) {
      return ::Catch::Detail::stringify(static_cast<long long>(value));
  }
  std::string StringMaker<long>::convert(long value) {
      return ::Catch::Detail::stringify(static_cast<long long>(value));
  }
  std::string StringMaker<long long>::convert(long long value) {
      ReusableStringStream rss;
      rss << value;
      if (value > Detail::hexThreshold) {
          rss << " (0x" << std::hex << value << ')';
      }
      return rss.str();
  }
  
  std::string StringMaker<unsigned int>::convert(unsigned int value) {
      return ::Catch::Detail::stringify(static_cast<unsigned long long>(value));
  }
  std::string StringMaker<unsigned long>::convert(unsigned long value) {
      return ::Catch::Detail::stringify(static_cast<unsigned long long>(value));
  }
  std::string StringMaker<unsigned long long>::convert(unsigned long long value) {
      ReusableStringStream rss;
      rss << value;
      if (value > Detail::hexThreshold) {
          rss << " (0x" << std::hex << value << ')';
      }
      return rss.str();
  }
  
  std::string StringMaker<bool>::convert(bool b) {
      return b ? "true" : "false";
  }
  
  std::string StringMaker<signed char>::convert(signed char value) {
      if (value == '\r') {
          return "'\\r'";
      } else if (value == '\f') {
          return "'\\f'";
      } else if (value == '\n') {
          return "'\\n'";
      } else if (value == '\t') {
          return "'\\t'";
      } else if ('\0' <= value && value < ' ') {
          return ::Catch::Detail::stringify(static_cast<unsigned int>(value));
      } else {
          char chstr[] = "' '";
          chstr[1] = value;
          return chstr;
      }
  }
  std::string StringMaker<char>::convert(char c) {
      return ::Catch::Detail::stringify(static_cast<signed char>(c));
  }
  std::string StringMaker<unsigned char>::convert(unsigned char c) {
      return ::Catch::Detail::stringify(static_cast<char>(c));
  }
  
  std::string StringMaker<std::nullptr_t>::convert(std::nullptr_t) {
      return "nullptr";
  }
  
  int StringMaker<float>::precision = 5;
  
  std::string StringMaker<float>::convert(float value) {
      return fpToString(value, precision) + 'f';
  }
  
  int StringMaker<double>::precision = 10;
  
  std::string StringMaker<double>::convert(double value) {
      return fpToString(value, precision);
  }
  
  std::string ratio_string<std::atto>::symbol() { return "a"; }
  std::string ratio_string<std::femto>::symbol() { return "f"; }
  std::string ratio_string<std::pico>::symbol() { return "p"; }
  std::string ratio_string<std::nano>::symbol() { return "n"; }
  std::string ratio_string<std::micro>::symbol() { return "u"; }
  std::string ratio_string<std::milli>::symbol() { return "m"; }
  
  } // end namespace Catch
  
  #if defined(__clang__)
  #    pragma clang diagnostic pop
  #endif
  
  // end catch_tostring.cpp
  // start catch_totals.cpp
  
  namespace Catch {
  
      Counts Counts::operator - ( Counts const& other ) const {
          Counts diff;
          diff.passed = passed - other.passed;
          diff.failed = failed - other.failed;
          diff.failedButOk = failedButOk - other.failedButOk;
          return diff;
      }
  
      Counts& Counts::operator += ( Counts const& other ) {
          passed += other.passed;
          failed += other.failed;
          failedButOk += other.failedButOk;
          return *this;
      }
  
      std::size_t Counts::total() const {
          return passed + failed + failedButOk;
      }
      bool Counts::allPassed() const {
          return failed == 0 && failedButOk == 0;
      }
      bool Counts::allOk() const {
          return failed == 0;
      }
  
      Totals Totals::operator - ( Totals const& other ) const {
          Totals diff;
          diff.assertions = assertions - other.assertions;
          diff.testCases = testCases - other.testCases;
          return diff;
      }
  
      Totals& Totals::operator += ( Totals const& other ) {
          assertions += other.assertions;
          testCases += other.testCases;
          return *this;
      }
  
      Totals Totals::delta( Totals const& prevTotals ) const {
          Totals diff = *this - prevTotals;
          if( diff.assertions.failed > 0 )
              ++diff.testCases.failed;
          else if( diff.assertions.failedButOk > 0 )
              ++diff.testCases.failedButOk;
          else
              ++diff.testCases.passed;
          return diff;
      }
  
  }
  // end catch_totals.cpp
  // start catch_uncaught_exceptions.cpp
  
  #include <exception>
  
  namespace Catch {
      bool uncaught_exceptions() {
  #if defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)
          return std::uncaught_exceptions() > 0;
  #else
          return std::uncaught_exception();
  #endif
    }
  } // end namespace Catch
  // end catch_uncaught_exceptions.cpp
  // start catch_version.cpp
  
  #include <ostream>
  
  namespace Catch {
  
      Version::Version
          (   unsigned int _majorVersion,
              unsigned int _minorVersion,
              unsigned int _patchNumber,
              char const * const _branchName,
              unsigned int _buildNumber )
      :   majorVersion( _majorVersion ),
          minorVersion( _minorVersion ),
          patchNumber( _patchNumber ),
          branchName( _branchName ),
          buildNumber( _buildNumber )
      {}
  
      std::ostream& operator << ( std::ostream& os, Version const& version ) {
          os  << version.majorVersion << '.'
              << version.minorVersion << '.'
              << version.patchNumber;
          // branchName is never null -> 0th char is \0 if it is empty
          if (version.branchName[0]) {
              os << '-' << version.branchName
                 << '.' << version.buildNumber;
          }
          return os;
      }
  
      Version const& libraryVersion() {
          static Version version( 2, 11, 1, "", 0 );
          return version;
      }
  
  }
  // end catch_version.cpp
  // start catch_wildcard_pattern.cpp
  
  namespace Catch {
  
      WildcardPattern::WildcardPattern( std::string const& pattern,
                                        CaseSensitive::Choice caseSensitivity )
      :   m_caseSensitivity( caseSensitivity ),
          m_pattern( normaliseString( pattern ) )
      {
          if( startsWith( m_pattern, '*' ) ) {
              m_pattern = m_pattern.substr( 1 );
              m_wildcard = WildcardAtStart;
          }
          if( endsWith( m_pattern, '*' ) ) {
              m_pattern = m_pattern.substr( 0, m_pattern.size()-1 );
              m_wildcard = static_cast<WildcardPosition>( m_wildcard | WildcardAtEnd );
          }
      }
  
      bool WildcardPattern::matches( std::string const& str ) const {
          switch( m_wildcard ) {
              case NoWildcard:
                  return m_pattern == normaliseString( str );
              case WildcardAtStart:
                  return endsWith( normaliseString( str ), m_pattern );
              case WildcardAtEnd:
                  return startsWith( normaliseString( str ), m_pattern );
              case WildcardAtBothEnds:
                  return contains( normaliseString( str ), m_pattern );
              default:
                  CATCH_INTERNAL_ERROR( "Unknown enum" );
          }
      }
  
      std::string WildcardPattern::normaliseString( std::string const& str ) const {
          return trim( m_caseSensitivity == CaseSensitive::No ? toLower( str ) : str );
      }
  }
  // end catch_wildcard_pattern.cpp
  // start catch_xmlwriter.cpp
  
  #include <iomanip>
  #include <type_traits>
  
  using uchar = unsigned char;
  
  namespace Catch {
  
  namespace {
  
      size_t trailingBytes(unsigned char c) {
          if ((c & 0xE0) == 0xC0) {
              return 2;
          }
          if ((c & 0xF0) == 0xE0) {
              return 3;
          }
          if ((c & 0xF8) == 0xF0) {
              return 4;
          }
          CATCH_INTERNAL_ERROR("Invalid multibyte utf-8 start byte encountered");
      }
  
      uint32_t headerValue(unsigned char c) {
          if ((c & 0xE0) == 0xC0) {
              return c & 0x1F;
          }
          if ((c & 0xF0) == 0xE0) {
              return c & 0x0F;
          }
          if ((c & 0xF8) == 0xF0) {
              return c & 0x07;
          }
          CATCH_INTERNAL_ERROR("Invalid multibyte utf-8 start byte encountered");
      }
  
      void hexEscapeChar(std::ostream& os, unsigned char c) {
          std::ios_base::fmtflags f(os.flags());
          os << "\\x"
              << std::uppercase << std::hex << std::setfill('0') << std::setw(2)
              << static_cast<int>(c);
          os.flags(f);
      }
  
      bool shouldNewline(XmlFormatting fmt) {
          return !!(static_cast<std::underlying_type<XmlFormatting>::type>(fmt & XmlFormatting::Newline));
      }
  
      bool shouldIndent(XmlFormatting fmt) {
          return !!(static_cast<std::underlying_type<XmlFormatting>::type>(fmt & XmlFormatting::Indent));
      }
  
  } // anonymous namespace
  
      XmlFormatting operator | (XmlFormatting lhs, XmlFormatting rhs) {
          return static_cast<XmlFormatting>(
              static_cast<std::underlying_type<XmlFormatting>::type>(lhs) |
              static_cast<std::underlying_type<XmlFormatting>::type>(rhs)
          );
      }
  
      XmlFormatting operator & (XmlFormatting lhs, XmlFormatting rhs) {
          return static_cast<XmlFormatting>(
              static_cast<std::underlying_type<XmlFormatting>::type>(lhs) &
              static_cast<std::underlying_type<XmlFormatting>::type>(rhs)
          );
      }
  
      XmlEncode::XmlEncode( std::string const& str, ForWhat forWhat )
      :   m_str( str ),
          m_forWhat( forWhat )
      {}
  
      void XmlEncode::encodeTo( std::ostream& os ) const {
          // Apostrophe escaping not necessary if we always use " to write attributes
          // (see: http://www.w3.org/TR/xml/#syntax)
  
          for( std::size_t idx = 0; idx < m_str.size(); ++ idx ) {
              uchar c = m_str[idx];
              switch (c) {
              case '<':   os << "&lt;"; break;
              case '&':   os << "&amp;"; break;
  
              case '>':
                  // See: http://www.w3.org/TR/xml/#syntax
                  if (idx > 2 && m_str[idx - 1] == ']' && m_str[idx - 2] == ']')
                      os << "&gt;";
                  else
                      os << c;
                  break;
  
              case '\"':
                  if (m_forWhat == ForAttributes)
                      os << "&quot;";
                  else
                      os << c;
                  break;
  
              default:
                  // Check for control characters and invalid utf-8
  
                  // Escape control characters in standard ascii
                  // see http://stackoverflow.com/questions/404107/why-are-control-characters-illegal-in-xml-1-0
                  if (c < 0x09 || (c > 0x0D && c < 0x20) || c == 0x7F) {
                      hexEscapeChar(os, c);
                      break;
                  }
  
                  // Plain ASCII: Write it to stream
                  if (c < 0x7F) {
                      os << c;
                      break;
                  }
  
                  // UTF-8 territory
                  // Check if the encoding is valid and if it is not, hex escape bytes.
                  // Important: We do not check the exact decoded values for validity, only the encoding format
                  // First check that this bytes is a valid lead byte:
                  // This means that it is not encoded as 1111 1XXX
                  // Or as 10XX XXXX
                  if (c <  0xC0 ||
                      c >= 0xF8) {
                      hexEscapeChar(os, c);
                      break;
                  }
  
                  auto encBytes = trailingBytes(c);
                  // Are there enough bytes left to avoid accessing out-of-bounds memory?
                  if (idx + encBytes - 1 >= m_str.size()) {
                      hexEscapeChar(os, c);
                      break;
                  }
                  // The header is valid, check data
                  // The next encBytes bytes must together be a valid utf-8
                  // This means: bitpattern 10XX XXXX and the extracted value is sane (ish)
                  bool valid = true;
                  uint32_t value = headerValue(c);
                  for (std::size_t n = 1; n < encBytes; ++n) {
                      uchar nc = m_str[idx + n];
                      valid &= ((nc & 0xC0) == 0x80);
                      value = (value << 6) | (nc & 0x3F);
                  }
  
                  if (
                      // Wrong bit pattern of following bytes
                      (!valid) ||
                      // Overlong encodings
                      (value < 0x80) ||
                      (0x80 <= value && value < 0x800   && encBytes > 2) ||
                      (0x800 < value && value < 0x10000 && encBytes > 3) ||
                      // Encoded value out of range
                      (value >= 0x110000)
                      ) {
                      hexEscapeChar(os, c);
                      break;
                  }
  
                  // If we got here, this is in fact a valid(ish) utf-8 sequence
                  for (std::size_t n = 0; n < encBytes; ++n) {
                      os << m_str[idx + n];
                  }
                  idx += encBytes - 1;
                  break;
              }
          }
      }
  
      std::ostream& operator << ( std::ostream& os, XmlEncode const& xmlEncode ) {
          xmlEncode.encodeTo( os );
          return os;
      }
  
      XmlWriter::ScopedElement::ScopedElement( XmlWriter* writer, XmlFormatting fmt )
      :   m_writer( writer ),
          m_fmt(fmt)
      {}
  
      XmlWriter::ScopedElement::ScopedElement( ScopedElement&& other ) noexcept
      :   m_writer( other.m_writer ),
          m_fmt(other.m_fmt)
      {
          other.m_writer = nullptr;
          other.m_fmt = XmlFormatting::None;
      }
      XmlWriter::ScopedElement& XmlWriter::ScopedElement::operator=( ScopedElement&& other ) noexcept {
          if ( m_writer ) {
              m_writer->endElement();
          }
          m_writer = other.m_writer;
          other.m_writer = nullptr;
          m_fmt = other.m_fmt;
          other.m_fmt = XmlFormatting::None;
          return *this;
      }
  
      XmlWriter::ScopedElement::~ScopedElement() {
          if (m_writer) {
              m_writer->endElement(m_fmt);
          }
      }
  
      XmlWriter::ScopedElement& XmlWriter::ScopedElement::writeText( std::string const& text, XmlFormatting fmt ) {
          m_writer->writeText( text, fmt );
          return *this;
      }
  
      XmlWriter::XmlWriter( std::ostream& os ) : m_os( os )
      {
          writeDeclaration();
      }
  
      XmlWriter::~XmlWriter() {
          while (!m_tags.empty()) {
              endElement();
          }
          newlineIfNecessary();
      }
  
      XmlWriter& XmlWriter::startElement( std::string const& name, XmlFormatting fmt ) {
          ensureTagClosed();
          newlineIfNecessary();
          if (shouldIndent(fmt)) {
              m_os << m_indent;
              m_indent += "  ";
          }
          m_os << '<' << name;
          m_tags.push_back( name );
          m_tagIsOpen = true;
          applyFormatting(fmt);
          return *this;
      }
  
      XmlWriter::ScopedElement XmlWriter::scopedElement( std::string const& name, XmlFormatting fmt ) {
          ScopedElement scoped( this, fmt );
          startElement( name, fmt );
          return scoped;
      }
  
      XmlWriter& XmlWriter::endElement(XmlFormatting fmt) {
          m_indent = m_indent.substr(0, m_indent.size() - 2);
  
          if( m_tagIsOpen ) {
              m_os << "/>";
              m_tagIsOpen = false;
          } else {
              newlineIfNecessary();
              if (shouldIndent(fmt)) {
                  m_os << m_indent;
              }
              m_os << "</" << m_tags.back() << ">";
          }
          m_os << std::flush;
          applyFormatting(fmt);
          m_tags.pop_back();
          return *this;
      }
  
      XmlWriter& XmlWriter::writeAttribute( std::string const& name, std::string const& attribute ) {
          if( !name.empty() && !attribute.empty() )
              m_os << ' ' << name << "=\"" << XmlEncode( attribute, XmlEncode::ForAttributes ) << '"';
          return *this;
      }
  
      XmlWriter& XmlWriter::writeAttribute( std::string const& name, bool attribute ) {
          m_os << ' ' << name << "=\"" << ( attribute ? "true" : "false" ) << '"';
          return *this;
      }
  
      XmlWriter& XmlWriter::writeText( std::string const& text, XmlFormatting fmt) {
          if( !text.empty() ){
              bool tagWasOpen = m_tagIsOpen;
              ensureTagClosed();
              if (tagWasOpen && shouldIndent(fmt)) {
                  m_os << m_indent;
              }
              m_os << XmlEncode( text );
              applyFormatting(fmt);
          }
          return *this;
      }
  
      XmlWriter& XmlWriter::writeComment( std::string const& text, XmlFormatting fmt) {
          ensureTagClosed();
          if (shouldIndent(fmt)) {
              m_os << m_indent;
          }
          m_os << "<!--" << text << "-->";
          applyFormatting(fmt);
          return *this;
      }
  
      void XmlWriter::writeStylesheetRef( std::string const& url ) {
          m_os << "<?xml-stylesheet type=\"text/xsl\" href=\"" << url << "\"?>\n";
      }
  
      XmlWriter& XmlWriter::writeBlankLine() {
          ensureTagClosed();
          m_os << '\n';
          return *this;
      }
  
      void XmlWriter::ensureTagClosed() {
          if( m_tagIsOpen ) {
              m_os << '>' << std::flush;
              newlineIfNecessary();
              m_tagIsOpen = false;
          }
      }
  
      void XmlWriter::applyFormatting(XmlFormatting fmt) {
          m_needsNewline = shouldNewline(fmt);
      }
  
      void XmlWriter::writeDeclaration() {
          m_os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
      }
  
      void XmlWriter::newlineIfNecessary() {
          if( m_needsNewline ) {
              m_os << std::endl;
              m_needsNewline = false;
          }
      }
  }
  // end catch_xmlwriter.cpp
  // start catch_reporter_bases.cpp
  
  #include <cstring>
  #include <cfloat>
  #include <cstdio>
  #include <cassert>
  #include <memory>
  
  namespace Catch {
      void prepareExpandedExpression(AssertionResult& result) {
          result.getExpandedExpression();
      }
  
      // Because formatting using c++ streams is stateful, drop down to C is required
      // Alternatively we could use stringstream, but its performance is... not good.
      std::string getFormattedDuration( double duration ) {
          // Max exponent + 1 is required to represent the whole part
          // + 1 for decimal point
          // + 3 for the 3 decimal places
          // + 1 for null terminator
          const std::size_t maxDoubleSize = DBL_MAX_10_EXP + 1 + 1 + 3 + 1;
          char buffer[maxDoubleSize];
  
          // Save previous errno, to prevent sprintf from overwriting it
          ErrnoGuard guard;
  #ifdef _MSC_VER
          sprintf_s(buffer, "%.3f", duration);
  #else
          std::sprintf(buffer, "%.3f", duration);
  #endif
          return std::string(buffer);
      }
  
      std::string serializeFilters( std::vector<std::string> const& container ) {
          ReusableStringStream oss;
          bool first = true;
          for (auto&& filter : container)
          {
              if (!first)
                  oss << ' ';
              else
                  first = false;
  
              oss << filter;
          }
          return oss.str();
      }
  
      TestEventListenerBase::TestEventListenerBase(ReporterConfig const & _config)
          :StreamingReporterBase(_config) {}
  
      std::set<Verbosity> TestEventListenerBase::getSupportedVerbosities() {
          return { Verbosity::Quiet, Verbosity::Normal, Verbosity::High };
      }
  
      void TestEventListenerBase::assertionStarting(AssertionInfo const &) {}
  
      bool TestEventListenerBase::assertionEnded(AssertionStats const &) {
          return false;
      }
  
  } // end namespace Catch
  // end catch_reporter_bases.cpp
  // start catch_reporter_compact.cpp
  
  namespace {
  
  #ifdef CATCH_PLATFORM_MAC
      const char* failedString() { return "FAILED"; }
      const char* passedString() { return "PASSED"; }
  #else
      const char* failedString() { return "failed"; }
      const char* passedString() { return "passed"; }
  #endif
  
      // Colour::LightGrey
      Catch::Colour::Code dimColour() { return Catch::Colour::FileName; }
  
      std::string bothOrAll( std::size_t count ) {
          return count == 1 ? std::string() :
                 count == 2 ? "both " : "all " ;
      }
  
  } // anon namespace
  
  namespace Catch {
  namespace {
  // Colour, message variants:
  // - white: No tests ran.
  // -   red: Failed [both/all] N test cases, failed [both/all] M assertions.
  // - white: Passed [both/all] N test cases (no assertions).
  // -   red: Failed N tests cases, failed M assertions.
  // - green: Passed [both/all] N tests cases with M assertions.
  void printTotals(std::ostream& out, const Totals& totals) {
      if (totals.testCases.total() == 0) {
          out << "No tests ran.";
      } else if (totals.testCases.failed == totals.testCases.total()) {
          Colour colour(Colour::ResultError);
          const std::string qualify_assertions_failed =
              totals.assertions.failed == totals.assertions.total() ?
              bothOrAll(totals.assertions.failed) : std::string();
          out <<
              "Failed " << bothOrAll(totals.testCases.failed)
              << pluralise(totals.testCases.failed, "test case") << ", "
              "failed " << qualify_assertions_failed <<
              pluralise(totals.assertions.failed, "assertion") << '.';
      } else if (totals.assertions.total() == 0) {
          out <<
              "Passed " << bothOrAll(totals.testCases.total())
              << pluralise(totals.testCases.total(), "test case")
              << " (no assertions).";
      } else if (totals.assertions.failed) {
          Colour colour(Colour::ResultError);
          out <<
              "Failed " << pluralise(totals.testCases.failed, "test case") << ", "
              "failed " << pluralise(totals.assertions.failed, "assertion") << '.';
      } else {
          Colour colour(Colour::ResultSuccess);
          out <<
              "Passed " << bothOrAll(totals.testCases.passed)
              << pluralise(totals.testCases.passed, "test case") <<
              " with " << pluralise(totals.assertions.passed, "assertion") << '.';
      }
  }
  
  // Implementation of CompactReporter formatting
  class AssertionPrinter {
  public:
      AssertionPrinter& operator= (AssertionPrinter const&) = delete;
      AssertionPrinter(AssertionPrinter const&) = delete;
      AssertionPrinter(std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages)
          : stream(_stream)
          , result(_stats.assertionResult)
          , messages(_stats.infoMessages)
          , itMessage(_stats.infoMessages.begin())
          , printInfoMessages(_printInfoMessages) {}
  
      void print() {
          printSourceInfo();
  
          itMessage = messages.begin();
  
          switch (result.getResultType()) {
          case ResultWas::Ok:
              printResultType(Colour::ResultSuccess, passedString());
              printOriginalExpression();
              printReconstructedExpression();
              if (!result.hasExpression())
                  printRemainingMessages(Colour::None);
              else
                  printRemainingMessages();
              break;
          case ResultWas::ExpressionFailed:
              if (result.isOk())
                  printResultType(Colour::ResultSuccess, failedString() + std::string(" - but was ok"));
              else
                  printResultType(Colour::Error, failedString());
              printOriginalExpression();
              printReconstructedExpression();
              printRemainingMessages();
              break;
          case ResultWas::ThrewException:
              printResultType(Colour::Error, failedString());
              printIssue("unexpected exception with message:");
              printMessage();
              printExpressionWas();
              printRemainingMessages();
              break;
          case ResultWas::FatalErrorCondition:
              printResultType(Colour::Error, failedString());
              printIssue("fatal error condition with message:");
              printMessage();
              printExpressionWas();
              printRemainingMessages();
              break;
          case ResultWas::DidntThrowException:
              printResultType(Colour::Error, failedString());
              printIssue("expected exception, got none");
              printExpressionWas();
              printRemainingMessages();
              break;
          case ResultWas::Info:
              printResultType(Colour::None, "info");
              printMessage();
              printRemainingMessages();
              break;
          case ResultWas::Warning:
              printResultType(Colour::None, "warning");
              printMessage();
              printRemainingMessages();
              break;
          case ResultWas::ExplicitFailure:
              printResultType(Colour::Error, failedString());
              printIssue("explicitly");
              printRemainingMessages(Colour::None);
              break;
              // These cases are here to prevent compiler warnings
          case ResultWas::Unknown:
          case ResultWas::FailureBit:
          case ResultWas::Exception:
              printResultType(Colour::Error, "** internal error **");
              break;
          }
      }
  
  private:
      void printSourceInfo() const {
          Colour colourGuard(Colour::FileName);
          stream << result.getSourceInfo() << ':';
      }
  
      void printResultType(Colour::Code colour, std::string const& passOrFail) const {
          if (!passOrFail.empty()) {
              {
                  Colour colourGuard(colour);
                  stream << ' ' << passOrFail;
              }
              stream << ':';
          }
      }
  
      void printIssue(std::string const& issue) const {
          stream << ' ' << issue;
      }
  
      void printExpressionWas() {
          if (result.hasExpression()) {
              stream << ';';
              {
                  Colour colour(dimColour());
                  stream << " expression was:";
              }
              printOriginalExpression();
          }
      }
  
      void printOriginalExpression() const {
          if (result.hasExpression()) {
              stream << ' ' << result.getExpression();
          }
      }
  
      void printReconstructedExpression() const {
          if (result.hasExpandedExpression()) {
              {
                  Colour colour(dimColour());
                  stream << " for: ";
              }
              stream << result.getExpandedExpression();
          }
      }
  
      void printMessage() {
          if (itMessage != messages.end()) {
              stream << " '" << itMessage->message << '\'';
              ++itMessage;
          }
      }
  
      void printRemainingMessages(Colour::Code colour = dimColour()) {
          if (itMessage == messages.end())
              return;
  
          const auto itEnd = messages.cend();
          const auto N = static_cast<std::size_t>(std::distance(itMessage, itEnd));
  
          {
              Colour colourGuard(colour);
              stream << " with " << pluralise(N, "message") << ':';
          }
  
          while (itMessage != itEnd) {
              // If this assertion is a warning ignore any INFO messages
              if (printInfoMessages || itMessage->type != ResultWas::Info) {
                  printMessage();
                  if (itMessage != itEnd) {
                      Colour colourGuard(dimColour());
                      stream << " and";
                  }
                  continue;
              }
              ++itMessage;
          }
      }
  
  private:
      std::ostream& stream;
      AssertionResult const& result;
      std::vector<MessageInfo> messages;
      std::vector<MessageInfo>::const_iterator itMessage;
      bool printInfoMessages;
  };
  
  } // anon namespace
  
          std::string CompactReporter::getDescription() {
              return "Reports test results on a single line, suitable for IDEs";
          }
  
          ReporterPreferences CompactReporter::getPreferences() const {
              return m_reporterPrefs;
          }
  
          void CompactReporter::noMatchingTestCases( std::string const& spec ) {
              stream << "No test cases matched '" << spec << '\'' << std::endl;
          }
  
          void CompactReporter::assertionStarting( AssertionInfo const& ) {}
  
          bool CompactReporter::assertionEnded( AssertionStats const& _assertionStats ) {
              AssertionResult const& result = _assertionStats.assertionResult;
  
              bool printInfoMessages = true;
  
              // Drop out if result was successful and we're not printing those
              if( !m_config->includeSuccessfulResults() && result.isOk() ) {
                  if( result.getResultType() != ResultWas::Warning )
                      return false;
                  printInfoMessages = false;
              }
  
              AssertionPrinter printer( stream, _assertionStats, printInfoMessages );
              printer.print();
  
              stream << std::endl;
              return true;
          }
  
          void CompactReporter::sectionEnded(SectionStats const& _sectionStats) {
              if (m_config->showDurations() == ShowDurations::Always) {
                  stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
              }
          }
  
          void CompactReporter::testRunEnded( TestRunStats const& _testRunStats ) {
              printTotals( stream, _testRunStats.totals );
              stream << '\n' << std::endl;
              StreamingReporterBase::testRunEnded( _testRunStats );
          }
  
          CompactReporter::~CompactReporter() {}
  
      CATCH_REGISTER_REPORTER( "compact", CompactReporter )
  
  } // end namespace Catch
  // end catch_reporter_compact.cpp
  // start catch_reporter_console.cpp
  
  #include <cfloat>
  #include <cstdio>
  
  #if defined(_MSC_VER)
  #pragma warning(push)
  #pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
   // Note that 4062 (not all labels are handled and default is missing) is enabled
  #endif
  
  #if defined(__clang__)
  #  pragma clang diagnostic push
  // For simplicity, benchmarking-only helpers are always enabled
  #  pragma clang diagnostic ignored "-Wunused-function"
  #endif
  
  namespace Catch {
  
  namespace {
  
  // Formatter impl for ConsoleReporter
  class ConsoleAssertionPrinter {
  public:
      ConsoleAssertionPrinter& operator= (ConsoleAssertionPrinter const&) = delete;
      ConsoleAssertionPrinter(ConsoleAssertionPrinter const&) = delete;
      ConsoleAssertionPrinter(std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages)
          : stream(_stream),
          stats(_stats),
          result(_stats.assertionResult),
          colour(Colour::None),
          message(result.getMessage()),
          messages(_stats.infoMessages),
          printInfoMessages(_printInfoMessages) {
          switch (result.getResultType()) {
          case ResultWas::Ok:
              colour = Colour::Success;
              passOrFail = "PASSED";
              //if( result.hasMessage() )
              if (_stats.infoMessages.size() == 1)
                  messageLabel = "with message";
              if (_stats.infoMessages.size() > 1)
                  messageLabel = "with messages";
              break;
          case ResultWas::ExpressionFailed:
              if (result.isOk()) {
                  colour = Colour::Success;
                  passOrFail = "FAILED - but was ok";
              } else {
                  colour = Colour::Error;
                  passOrFail = "FAILED";
              }
              if (_stats.infoMessages.size() == 1)
                  messageLabel = "with message";
              if (_stats.infoMessages.size() > 1)
                  messageLabel = "with messages";
              break;
          case ResultWas::ThrewException:
              colour = Colour::Error;
              passOrFail = "FAILED";
              messageLabel = "due to unexpected exception with ";
              if (_stats.infoMessages.size() == 1)
                  messageLabel += "message";
              if (_stats.infoMessages.size() > 1)
                  messageLabel += "messages";
              break;
          case ResultWas::FatalErrorCondition:
              colour = Colour::Error;
              passOrFail = "FAILED";
              messageLabel = "due to a fatal error condition";
              break;
          case ResultWas::DidntThrowException:
              colour = Colour::Error;
              passOrFail = "FAILED";
              messageLabel = "because no exception was thrown where one was expected";
              break;
          case ResultWas::Info:
              messageLabel = "info";
              break;
          case ResultWas::Warning:
              messageLabel = "warning";
              break;
          case ResultWas::ExplicitFailure:
              passOrFail = "FAILED";
              colour = Colour::Error;
              if (_stats.infoMessages.size() == 1)
                  messageLabel = "explicitly with message";
              if (_stats.infoMessages.size() > 1)
                  messageLabel = "explicitly with messages";
              break;
              // These cases are here to prevent compiler warnings
          case ResultWas::Unknown:
          case ResultWas::FailureBit:
          case ResultWas::Exception:
              passOrFail = "** internal error **";
              colour = Colour::Error;
              break;
          }
      }
  
      void print() const {
          printSourceInfo();
          if (stats.totals.assertions.total() > 0) {
              printResultType();
              printOriginalExpression();
              printReconstructedExpression();
          } else {
              stream << '\n';
          }
          printMessage();
      }
  
  private:
      void printResultType() const {
          if (!passOrFail.empty()) {
              Colour colourGuard(colour);
              stream << passOrFail << ":\n";
          }
      }
      void printOriginalExpression() const {
          if (result.hasExpression()) {
              Colour colourGuard(Colour::OriginalExpression);
              stream << "  ";
              stream << result.getExpressionInMacro();
              stream << '\n';
          }
      }
      void printReconstructedExpression() const {
          if (result.hasExpandedExpression()) {
              stream << "with expansion:\n";
              Colour colourGuard(Colour::ReconstructedExpression);
              stream << Column(result.getExpandedExpression()).indent(2) << '\n';
          }
      }
      void printMessage() const {
          if (!messageLabel.empty())
              stream << messageLabel << ':' << '\n';
          for (auto const& msg : messages) {
              // If this assertion is a warning ignore any INFO messages
              if (printInfoMessages || msg.type != ResultWas::Info)
                  stream << Column(msg.message).indent(2) << '\n';
          }
      }
      void printSourceInfo() const {
          Colour colourGuard(Colour::FileName);
          stream << result.getSourceInfo() << ": ";
      }
  
      std::ostream& stream;
      AssertionStats const& stats;
      AssertionResult const& result;
      Colour::Code colour;
      std::string passOrFail;
      std::string messageLabel;
      std::string message;
      std::vector<MessageInfo> messages;
      bool printInfoMessages;
  };
  
  std::size_t makeRatio(std::size_t number, std::size_t total) {
      std::size_t ratio = total > 0 ? CATCH_CONFIG_CONSOLE_WIDTH * number / total : 0;
      return (ratio == 0 && number > 0) ? 1 : ratio;
  }
  
  std::size_t& findMax(std::size_t& i, std::size_t& j, std::size_t& k) {
      if (i > j && i > k)
          return i;
      else if (j > k)
          return j;
      else
          return k;
  }
  
  struct ColumnInfo {
      enum Justification { Left, Right };
      std::string name;
      int width;
      Justification justification;
  };
  struct ColumnBreak {};
  struct RowBreak {};
  
  class Duration {
      enum class Unit {
          Auto,
          Nanoseconds,
          Microseconds,
          Milliseconds,
          Seconds,
          Minutes
      };
      static const uint64_t s_nanosecondsInAMicrosecond = 1000;
      static const uint64_t s_nanosecondsInAMillisecond = 1000 * s_nanosecondsInAMicrosecond;
      static const uint64_t s_nanosecondsInASecond = 1000 * s_nanosecondsInAMillisecond;
      static const uint64_t s_nanosecondsInAMinute = 60 * s_nanosecondsInASecond;
  
      uint64_t m_inNanoseconds;
      Unit m_units;
  
  public:
  	explicit Duration(double inNanoseconds, Unit units = Unit::Auto)
          : Duration(static_cast<uint64_t>(inNanoseconds), units) {
      }
  
      explicit Duration(uint64_t inNanoseconds, Unit units = Unit::Auto)
          : m_inNanoseconds(inNanoseconds),
          m_units(units) {
          if (m_units == Unit::Auto) {
              if (m_inNanoseconds < s_nanosecondsInAMicrosecond)
                  m_units = Unit::Nanoseconds;
              else if (m_inNanoseconds < s_nanosecondsInAMillisecond)
                  m_units = Unit::Microseconds;
              else if (m_inNanoseconds < s_nanosecondsInASecond)
                  m_units = Unit::Milliseconds;
              else if (m_inNanoseconds < s_nanosecondsInAMinute)
                  m_units = Unit::Seconds;
              else
                  m_units = Unit::Minutes;
          }
  
      }
  
      auto value() const -> double {
          switch (m_units) {
          case Unit::Microseconds:
              return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMicrosecond);
          case Unit::Milliseconds:
              return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMillisecond);
          case Unit::Seconds:
              return m_inNanoseconds / static_cast<double>(s_nanosecondsInASecond);
          case Unit::Minutes:
              return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMinute);
          default:
              return static_cast<double>(m_inNanoseconds);
          }
      }
      auto unitsAsString() const -> std::string {
          switch (m_units) {
          case Unit::Nanoseconds:
              return "ns";
          case Unit::Microseconds:
              return "us";
          case Unit::Milliseconds:
              return "ms";
          case Unit::Seconds:
              return "s";
          case Unit::Minutes:
              return "m";
          default:
              return "** internal error **";
          }
  
      }
      friend auto operator << (std::ostream& os, Duration const& duration) -> std::ostream& {
          return os << duration.value() << ' ' << duration.unitsAsString();
      }
  };
  } // end anon namespace
  
  class TablePrinter {
      std::ostream& m_os;
      std::vector<ColumnInfo> m_columnInfos;
      std::ostringstream m_oss;
      int m_currentColumn = -1;
      bool m_isOpen = false;
  
  public:
      TablePrinter( std::ostream& os, std::vector<ColumnInfo> columnInfos )
      :   m_os( os ),
          m_columnInfos( std::move( columnInfos ) ) {}
  
      auto columnInfos() const -> std::vector<ColumnInfo> const& {
          return m_columnInfos;
      }
  
      void open() {
          if (!m_isOpen) {
              m_isOpen = true;
              *this << RowBreak();
  
  			Columns headerCols;
  			Spacer spacer(2);
  			for (auto const& info : m_columnInfos) {
  				headerCols += Column(info.name).width(static_cast<std::size_t>(info.width - 2));
  				headerCols += spacer;
  			}
  			m_os << headerCols << '\n';
  
              m_os << Catch::getLineOfChars<'-'>() << '\n';
          }
      }
      void close() {
          if (m_isOpen) {
              *this << RowBreak();
              m_os << std::endl;
              m_isOpen = false;
          }
      }
  
      template<typename T>
      friend TablePrinter& operator << (TablePrinter& tp, T const& value) {
          tp.m_oss << value;
          return tp;
      }
  
      friend TablePrinter& operator << (TablePrinter& tp, ColumnBreak) {
          auto colStr = tp.m_oss.str();
          const auto strSize = colStr.size();
          tp.m_oss.str("");
          tp.open();
          if (tp.m_currentColumn == static_cast<int>(tp.m_columnInfos.size() - 1)) {
              tp.m_currentColumn = -1;
              tp.m_os << '\n';
          }
          tp.m_currentColumn++;
  
          auto colInfo = tp.m_columnInfos[tp.m_currentColumn];
          auto padding = (strSize + 1 < static_cast<std::size_t>(colInfo.width))
              ? std::string(colInfo.width - (strSize + 1), ' ')
              : std::string();
          if (colInfo.justification == ColumnInfo::Left)
              tp.m_os << colStr << padding << ' ';
          else
              tp.m_os << padding << colStr << ' ';
          return tp;
      }
  
      friend TablePrinter& operator << (TablePrinter& tp, RowBreak) {
          if (tp.m_currentColumn > 0) {
              tp.m_os << '\n';
              tp.m_currentColumn = -1;
          }
          return tp;
      }
  };
  
  ConsoleReporter::ConsoleReporter(ReporterConfig const& config)
      : StreamingReporterBase(config),
      m_tablePrinter(new TablePrinter(config.stream(),
          [&config]() -> std::vector<ColumnInfo> {
          if (config.fullConfig()->benchmarkNoAnalysis())
          {
              return{
                  { "benchmark name", CATCH_CONFIG_CONSOLE_WIDTH - 43, ColumnInfo::Left },
                  { "     samples", 14, ColumnInfo::Right },
                  { "  iterations", 14, ColumnInfo::Right },
                  { "        mean", 14, ColumnInfo::Right }
              };
          }
          else
          {
              return{
                  { "benchmark name", CATCH_CONFIG_CONSOLE_WIDTH - 32, ColumnInfo::Left },
                  { "samples      mean       std dev", 14, ColumnInfo::Right },
                  { "iterations   low mean   low std dev", 14, ColumnInfo::Right },
                  { "estimated    high mean  high std dev", 14, ColumnInfo::Right }
              };
          }
      }())) {}
  ConsoleReporter::~ConsoleReporter() = default;
  
  std::string ConsoleReporter::getDescription() {
      return "Reports test results as plain lines of text";
  }
  
  void ConsoleReporter::noMatchingTestCases(std::string const& spec) {
      stream << "No test cases matched '" << spec << '\'' << std::endl;
  }
  
  void ConsoleReporter::reportInvalidArguments(std::string const&arg){
      stream << "Invalid Filter: " << arg << std::endl;
  }
  
  void ConsoleReporter::assertionStarting(AssertionInfo const&) {}
  
  bool ConsoleReporter::assertionEnded(AssertionStats const& _assertionStats) {
      AssertionResult const& result = _assertionStats.assertionResult;
  
      bool includeResults = m_config->includeSuccessfulResults() || !result.isOk();
  
      // Drop out if result was successful but we're not printing them.
      if (!includeResults && result.getResultType() != ResultWas::Warning)
          return false;
  
      lazyPrint();
  
      ConsoleAssertionPrinter printer(stream, _assertionStats, includeResults);
      printer.print();
      stream << std::endl;
      return true;
  }
  
  void ConsoleReporter::sectionStarting(SectionInfo const& _sectionInfo) {
      m_tablePrinter->close();
      m_headerPrinted = false;
      StreamingReporterBase::sectionStarting(_sectionInfo);
  }
  void ConsoleReporter::sectionEnded(SectionStats const& _sectionStats) {
      m_tablePrinter->close();
      if (_sectionStats.missingAssertions) {
          lazyPrint();
          Colour colour(Colour::ResultError);
          if (m_sectionStack.size() > 1)
              stream << "\nNo assertions in section";
          else
              stream << "\nNo assertions in test case";
          stream << " '" << _sectionStats.sectionInfo.name << "'\n" << std::endl;
      }
      if (m_config->showDurations() == ShowDurations::Always) {
          stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
      }
      if (m_headerPrinted) {
          m_headerPrinted = false;
      }
      StreamingReporterBase::sectionEnded(_sectionStats);
  }
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  void ConsoleReporter::benchmarkPreparing(std::string const& name) {
  	lazyPrintWithoutClosingBenchmarkTable();
  
  	auto nameCol = Column(name).width(static_cast<std::size_t>(m_tablePrinter->columnInfos()[0].width - 2));
  
  	bool firstLine = true;
  	for (auto line : nameCol) {
  		if (!firstLine)
  			(*m_tablePrinter) << ColumnBreak() << ColumnBreak() << ColumnBreak();
  		else
  			firstLine = false;
  
  		(*m_tablePrinter) << line << ColumnBreak();
  	}
  }
  
  void ConsoleReporter::benchmarkStarting(BenchmarkInfo const& info) {
      (*m_tablePrinter) << info.samples << ColumnBreak()
          << info.iterations << ColumnBreak();
      if (!m_config->benchmarkNoAnalysis())
          (*m_tablePrinter) << Duration(info.estimatedDuration) << ColumnBreak();
  }
  void ConsoleReporter::benchmarkEnded(BenchmarkStats<> const& stats) {
      if (m_config->benchmarkNoAnalysis())
      {
          (*m_tablePrinter) << Duration(stats.mean.point.count()) << ColumnBreak();
      }
      else
      {
          (*m_tablePrinter) << ColumnBreak()
              << Duration(stats.mean.point.count()) << ColumnBreak()
              << Duration(stats.mean.lower_bound.count()) << ColumnBreak()
              << Duration(stats.mean.upper_bound.count()) << ColumnBreak() << ColumnBreak()
              << Duration(stats.standardDeviation.point.count()) << ColumnBreak()
              << Duration(stats.standardDeviation.lower_bound.count()) << ColumnBreak()
              << Duration(stats.standardDeviation.upper_bound.count()) << ColumnBreak() << ColumnBreak() << ColumnBreak() << ColumnBreak() << ColumnBreak();
      }
  }
  
  void ConsoleReporter::benchmarkFailed(std::string const& error) {
  	Colour colour(Colour::Red);
      (*m_tablePrinter)
          << "Benchmark failed (" << error << ')'
          << ColumnBreak() << RowBreak();
  }
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
  void ConsoleReporter::testCaseEnded(TestCaseStats const& _testCaseStats) {
      m_tablePrinter->close();
      StreamingReporterBase::testCaseEnded(_testCaseStats);
      m_headerPrinted = false;
  }
  void ConsoleReporter::testGroupEnded(TestGroupStats const& _testGroupStats) {
      if (currentGroupInfo.used) {
          printSummaryDivider();
          stream << "Summary for group '" << _testGroupStats.groupInfo.name << "':\n";
          printTotals(_testGroupStats.totals);
          stream << '\n' << std::endl;
      }
      StreamingReporterBase::testGroupEnded(_testGroupStats);
  }
  void ConsoleReporter::testRunEnded(TestRunStats const& _testRunStats) {
      printTotalsDivider(_testRunStats.totals);
      printTotals(_testRunStats.totals);
      stream << std::endl;
      StreamingReporterBase::testRunEnded(_testRunStats);
  }
  void ConsoleReporter::testRunStarting(TestRunInfo const& _testInfo) {
      StreamingReporterBase::testRunStarting(_testInfo);
      printTestFilters();
  }
  
  void ConsoleReporter::lazyPrint() {
  
      m_tablePrinter->close();
      lazyPrintWithoutClosingBenchmarkTable();
  }
  
  void ConsoleReporter::lazyPrintWithoutClosingBenchmarkTable() {
  
      if (!currentTestRunInfo.used)
          lazyPrintRunInfo();
      if (!currentGroupInfo.used)
          lazyPrintGroupInfo();
  
      if (!m_headerPrinted) {
          printTestCaseAndSectionHeader();
          m_headerPrinted = true;
      }
  }
  void ConsoleReporter::lazyPrintRunInfo() {
      stream << '\n' << getLineOfChars<'~'>() << '\n';
      Colour colour(Colour::SecondaryText);
      stream << currentTestRunInfo->name
          << " is a Catch v" << libraryVersion() << " host application.\n"
          << "Run with -? for options\n\n";
  
      if (m_config->rngSeed() != 0)
          stream << "Randomness seeded to: " << m_config->rngSeed() << "\n\n";
  
      currentTestRunInfo.used = true;
  }
  void ConsoleReporter::lazyPrintGroupInfo() {
      if (!currentGroupInfo->name.empty() && currentGroupInfo->groupsCounts > 1) {
          printClosedHeader("Group: " + currentGroupInfo->name);
          currentGroupInfo.used = true;
      }
  }
  void ConsoleReporter::printTestCaseAndSectionHeader() {
      assert(!m_sectionStack.empty());
      printOpenHeader(currentTestCaseInfo->name);
  
      if (m_sectionStack.size() > 1) {
          Colour colourGuard(Colour::Headers);
  
          auto
              it = m_sectionStack.begin() + 1, // Skip first section (test case)
              itEnd = m_sectionStack.end();
          for (; it != itEnd; ++it)
              printHeaderString(it->name, 2);
      }
  
      SourceLineInfo lineInfo = m_sectionStack.back().lineInfo;
  
      stream << getLineOfChars<'-'>() << '\n';
      Colour colourGuard(Colour::FileName);
      stream << lineInfo << '\n';
      stream << getLineOfChars<'.'>() << '\n' << std::endl;
  }
  
  void ConsoleReporter::printClosedHeader(std::string const& _name) {
      printOpenHeader(_name);
      stream << getLineOfChars<'.'>() << '\n';
  }
  void ConsoleReporter::printOpenHeader(std::string const& _name) {
      stream << getLineOfChars<'-'>() << '\n';
      {
          Colour colourGuard(Colour::Headers);
          printHeaderString(_name);
      }
  }
  
  // if string has a : in first line will set indent to follow it on
  // subsequent lines
  void ConsoleReporter::printHeaderString(std::string const& _string, std::size_t indent) {
      std::size_t i = _string.find(": ");
      if (i != std::string::npos)
          i += 2;
      else
          i = 0;
      stream << Column(_string).indent(indent + i).initialIndent(indent) << '\n';
  }
  
  struct SummaryColumn {
  
      SummaryColumn( std::string _label, Colour::Code _colour )
      :   label( std::move( _label ) ),
          colour( _colour ) {}
      SummaryColumn addRow( std::size_t count ) {
          ReusableStringStream rss;
          rss << count;
          std::string row = rss.str();
          for (auto& oldRow : rows) {
              while (oldRow.size() < row.size())
                  oldRow = ' ' + oldRow;
              while (oldRow.size() > row.size())
                  row = ' ' + row;
          }
          rows.push_back(row);
          return *this;
      }
  
      std::string label;
      Colour::Code colour;
      std::vector<std::string> rows;
  
  };
  
  void ConsoleReporter::printTotals( Totals const& totals ) {
      if (totals.testCases.total() == 0) {
          stream << Colour(Colour::Warning) << "No tests ran\n";
      } else if (totals.assertions.total() > 0 && totals.testCases.allPassed()) {
          stream << Colour(Colour::ResultSuccess) << "All tests passed";
          stream << " ("
              << pluralise(totals.assertions.passed, "assertion") << " in "
              << pluralise(totals.testCases.passed, "test case") << ')'
              << '\n';
      } else {
  
          std::vector<SummaryColumn> columns;
          columns.push_back(SummaryColumn("", Colour::None)
                            .addRow(totals.testCases.total())
                            .addRow(totals.assertions.total()));
          columns.push_back(SummaryColumn("passed", Colour::Success)
                            .addRow(totals.testCases.passed)
                            .addRow(totals.assertions.passed));
          columns.push_back(SummaryColumn("failed", Colour::ResultError)
                            .addRow(totals.testCases.failed)
                            .addRow(totals.assertions.failed));
          columns.push_back(SummaryColumn("failed as expected", Colour::ResultExpectedFailure)
                            .addRow(totals.testCases.failedButOk)
                            .addRow(totals.assertions.failedButOk));
  
          printSummaryRow("test cases", columns, 0);
          printSummaryRow("assertions", columns, 1);
      }
  }
  void ConsoleReporter::printSummaryRow(std::string const& label, std::vector<SummaryColumn> const& cols, std::size_t row) {
      for (auto col : cols) {
          std::string value = col.rows[row];
          if (col.label.empty()) {
              stream << label << ": ";
              if (value != "0")
                  stream << value;
              else
                  stream << Colour(Colour::Warning) << "- none -";
          } else if (value != "0") {
              stream << Colour(Colour::LightGrey) << " | ";
              stream << Colour(col.colour)
                  << value << ' ' << col.label;
          }
      }
      stream << '\n';
  }
  
  void ConsoleReporter::printTotalsDivider(Totals const& totals) {
      if (totals.testCases.total() > 0) {
          std::size_t failedRatio = makeRatio(totals.testCases.failed, totals.testCases.total());
          std::size_t failedButOkRatio = makeRatio(totals.testCases.failedButOk, totals.testCases.total());
          std::size_t passedRatio = makeRatio(totals.testCases.passed, totals.testCases.total());
          while (failedRatio + failedButOkRatio + passedRatio < CATCH_CONFIG_CONSOLE_WIDTH - 1)
              findMax(failedRatio, failedButOkRatio, passedRatio)++;
          while (failedRatio + failedButOkRatio + passedRatio > CATCH_CONFIG_CONSOLE_WIDTH - 1)
              findMax(failedRatio, failedButOkRatio, passedRatio)--;
  
          stream << Colour(Colour::Error) << std::string(failedRatio, '=');
          stream << Colour(Colour::ResultExpectedFailure) << std::string(failedButOkRatio, '=');
          if (totals.testCases.allPassed())
              stream << Colour(Colour::ResultSuccess) << std::string(passedRatio, '=');
          else
              stream << Colour(Colour::Success) << std::string(passedRatio, '=');
      } else {
          stream << Colour(Colour::Warning) << std::string(CATCH_CONFIG_CONSOLE_WIDTH - 1, '=');
      }
      stream << '\n';
  }
  void ConsoleReporter::printSummaryDivider() {
      stream << getLineOfChars<'-'>() << '\n';
  }
  
  void ConsoleReporter::printTestFilters() {
      if (m_config->testSpec().hasFilters())
          stream << Colour(Colour::BrightYellow) << "Filters: " << serializeFilters( m_config->getTestsOrTags() ) << '\n';
  }
  
  CATCH_REGISTER_REPORTER("console", ConsoleReporter)
  
  } // end namespace Catch
  
  #if defined(_MSC_VER)
  #pragma warning(pop)
  #endif
  
  #if defined(__clang__)
  #  pragma clang diagnostic pop
  #endif
  // end catch_reporter_console.cpp
  // start catch_reporter_junit.cpp
  
  #include <cassert>
  #include <sstream>
  #include <ctime>
  #include <algorithm>
  
  namespace Catch {
  
      namespace {
          std::string getCurrentTimestamp() {
              // Beware, this is not reentrant because of backward compatibility issues
              // Also, UTC only, again because of backward compatibility (%z is C++11)
              time_t rawtime;
              std::time(&rawtime);
              auto const timeStampSize = sizeof("2017-01-16T17:06:45Z");
  
  #ifdef _MSC_VER
              std::tm timeInfo = {};
              gmtime_s(&timeInfo, &rawtime);
  #else
              std::tm* timeInfo;
              timeInfo = std::gmtime(&rawtime);
  #endif
  
              char timeStamp[timeStampSize];
              const char * const fmt = "%Y-%m-%dT%H:%M:%SZ";
  
  #ifdef _MSC_VER
              std::strftime(timeStamp, timeStampSize, fmt, &timeInfo);
  #else
              std::strftime(timeStamp, timeStampSize, fmt, timeInfo);
  #endif
              return std::string(timeStamp);
          }
  
          std::string fileNameTag(const std::vector<std::string> &tags) {
              auto it = std::find_if(begin(tags),
                                     end(tags),
                                     [] (std::string const& tag) {return tag.front() == '#'; });
              if (it != tags.end())
                  return it->substr(1);
              return std::string();
          }
      } // anonymous namespace
  
      JunitReporter::JunitReporter( ReporterConfig const& _config )
          :   CumulativeReporterBase( _config ),
              xml( _config.stream() )
          {
              m_reporterPrefs.shouldRedirectStdOut = true;
              m_reporterPrefs.shouldReportAllAssertions = true;
          }
  
      JunitReporter::~JunitReporter() {}
  
      std::string JunitReporter::getDescription() {
          return "Reports test results in an XML format that looks like Ant's junitreport target";
      }
  
      void JunitReporter::noMatchingTestCases( std::string const& /*spec*/ ) {}
  
      void JunitReporter::testRunStarting( TestRunInfo const& runInfo )  {
          CumulativeReporterBase::testRunStarting( runInfo );
          xml.startElement( "testsuites" );
      }
  
      void JunitReporter::testGroupStarting( GroupInfo const& groupInfo ) {
          suiteTimer.start();
          stdOutForSuite.clear();
          stdErrForSuite.clear();
          unexpectedExceptions = 0;
          CumulativeReporterBase::testGroupStarting( groupInfo );
      }
  
      void JunitReporter::testCaseStarting( TestCaseInfo const& testCaseInfo ) {
          m_okToFail = testCaseInfo.okToFail();
      }
  
      bool JunitReporter::assertionEnded( AssertionStats const& assertionStats ) {
          if( assertionStats.assertionResult.getResultType() == ResultWas::ThrewException && !m_okToFail )
              unexpectedExceptions++;
          return CumulativeReporterBase::assertionEnded( assertionStats );
      }
  
      void JunitReporter::testCaseEnded( TestCaseStats const& testCaseStats ) {
          stdOutForSuite += testCaseStats.stdOut;
          stdErrForSuite += testCaseStats.stdErr;
          CumulativeReporterBase::testCaseEnded( testCaseStats );
      }
  
      void JunitReporter::testGroupEnded( TestGroupStats const& testGroupStats ) {
          double suiteTime = suiteTimer.getElapsedSeconds();
          CumulativeReporterBase::testGroupEnded( testGroupStats );
          writeGroup( *m_testGroups.back(), suiteTime );
      }
  
      void JunitReporter::testRunEndedCumulative() {
          xml.endElement();
      }
  
      void JunitReporter::writeGroup( TestGroupNode const& groupNode, double suiteTime ) {
          XmlWriter::ScopedElement e = xml.scopedElement( "testsuite" );
  
          TestGroupStats const& stats = groupNode.value;
          xml.writeAttribute( "name", stats.groupInfo.name );
          xml.writeAttribute( "errors", unexpectedExceptions );
          xml.writeAttribute( "failures", stats.totals.assertions.failed-unexpectedExceptions );
          xml.writeAttribute( "tests", stats.totals.assertions.total() );
          xml.writeAttribute( "hostname", "tbd" ); // !TBD
          if( m_config->showDurations() == ShowDurations::Never )
              xml.writeAttribute( "time", "" );
          else
              xml.writeAttribute( "time", suiteTime );
          xml.writeAttribute( "timestamp", getCurrentTimestamp() );
  
          // Write properties if there are any
          if (m_config->hasTestFilters() || m_config->rngSeed() != 0) {
              auto properties = xml.scopedElement("properties");
              if (m_config->hasTestFilters()) {
                  xml.scopedElement("property")
                      .writeAttribute("name", "filters")
                      .writeAttribute("value", serializeFilters(m_config->getTestsOrTags()));
              }
              if (m_config->rngSeed() != 0) {
                  xml.scopedElement("property")
                      .writeAttribute("name", "random-seed")
                      .writeAttribute("value", m_config->rngSeed());
              }
          }
  
          // Write test cases
          for( auto const& child : groupNode.children )
              writeTestCase( *child );
  
          xml.scopedElement( "system-out" ).writeText( trim( stdOutForSuite ), XmlFormatting::Newline );
          xml.scopedElement( "system-err" ).writeText( trim( stdErrForSuite ), XmlFormatting::Newline );
      }
  
      void JunitReporter::writeTestCase( TestCaseNode const& testCaseNode ) {
          TestCaseStats const& stats = testCaseNode.value;
  
          // All test cases have exactly one section - which represents the
          // test case itself. That section may have 0-n nested sections
          assert( testCaseNode.children.size() == 1 );
          SectionNode const& rootSection = *testCaseNode.children.front();
  
          std::string className = stats.testInfo.className;
  
          if( className.empty() ) {
              className = fileNameTag(stats.testInfo.tags);
              if ( className.empty() )
                  className = "global";
          }
  
          if ( !m_config->name().empty() )
              className = m_config->name() + "." + className;
  
          writeSection( className, "", rootSection );
      }
  
      void JunitReporter::writeSection(  std::string const& className,
                          std::string const& rootName,
                          SectionNode const& sectionNode ) {
          std::string name = trim( sectionNode.stats.sectionInfo.name );
          if( !rootName.empty() )
              name = rootName + '/' + name;
  
          if( !sectionNode.assertions.empty() ||
              !sectionNode.stdOut.empty() ||
              !sectionNode.stdErr.empty() ) {
              XmlWriter::ScopedElement e = xml.scopedElement( "testcase" );
              if( className.empty() ) {
                  xml.writeAttribute( "classname", name );
                  xml.writeAttribute( "name", "root" );
              }
              else {
                  xml.writeAttribute( "classname", className );
                  xml.writeAttribute( "name", name );
              }
              xml.writeAttribute( "time", ::Catch::Detail::stringify( sectionNode.stats.durationInSeconds ) );
  
              writeAssertions( sectionNode );
  
              if( !sectionNode.stdOut.empty() )
                  xml.scopedElement( "system-out" ).writeText( trim( sectionNode.stdOut ), XmlFormatting::Newline );
              if( !sectionNode.stdErr.empty() )
                  xml.scopedElement( "system-err" ).writeText( trim( sectionNode.stdErr ), XmlFormatting::Newline );
          }
          for( auto const& childNode : sectionNode.childSections )
              if( className.empty() )
                  writeSection( name, "", *childNode );
              else
                  writeSection( className, name, *childNode );
      }
  
      void JunitReporter::writeAssertions( SectionNode const& sectionNode ) {
          for( auto const& assertion : sectionNode.assertions )
              writeAssertion( assertion );
      }
  
      void JunitReporter::writeAssertion( AssertionStats const& stats ) {
          AssertionResult const& result = stats.assertionResult;
          if( !result.isOk() ) {
              std::string elementName;
              switch( result.getResultType() ) {
                  case ResultWas::ThrewException:
                  case ResultWas::FatalErrorCondition:
                      elementName = "error";
                      break;
                  case ResultWas::ExplicitFailure:
                      elementName = "failure";
                      break;
                  case ResultWas::ExpressionFailed:
                      elementName = "failure";
                      break;
                  case ResultWas::DidntThrowException:
                      elementName = "failure";
                      break;
  
                  // We should never see these here:
                  case ResultWas::Info:
                  case ResultWas::Warning:
                  case ResultWas::Ok:
                  case ResultWas::Unknown:
                  case ResultWas::FailureBit:
                  case ResultWas::Exception:
                      elementName = "internalError";
                      break;
              }
  
              XmlWriter::ScopedElement e = xml.scopedElement( elementName );
  
              xml.writeAttribute( "message", result.getExpression() );
              xml.writeAttribute( "type", result.getTestMacroName() );
  
              ReusableStringStream rss;
              if (stats.totals.assertions.total() > 0) {
                  rss << "FAILED" << ":\n";
                  if (result.hasExpression()) {
                      rss << "  ";
                      rss << result.getExpressionInMacro();
                      rss << '\n';
                  }
                  if (result.hasExpandedExpression()) {
                      rss << "with expansion:\n";
                      rss << Column(result.getExpandedExpression()).indent(2) << '\n';
                  }
              } else {
                  rss << '\n';
              }
  
              if( !result.getMessage().empty() )
                  rss << result.getMessage() << '\n';
              for( auto const& msg : stats.infoMessages )
                  if( msg.type == ResultWas::Info )
                      rss << msg.message << '\n';
  
              rss << "at " << result.getSourceInfo();
              xml.writeText( rss.str(), XmlFormatting::Newline );
          }
      }
  
      CATCH_REGISTER_REPORTER( "junit", JunitReporter )
  
  } // end namespace Catch
  // end catch_reporter_junit.cpp
  // start catch_reporter_listening.cpp
  
  #include <cassert>
  
  namespace Catch {
  
      ListeningReporter::ListeningReporter() {
          // We will assume that listeners will always want all assertions
          m_preferences.shouldReportAllAssertions = true;
      }
  
      void ListeningReporter::addListener( IStreamingReporterPtr&& listener ) {
          m_listeners.push_back( std::move( listener ) );
      }
  
      void ListeningReporter::addReporter(IStreamingReporterPtr&& reporter) {
          assert(!m_reporter && "Listening reporter can wrap only 1 real reporter");
          m_reporter = std::move( reporter );
          m_preferences.shouldRedirectStdOut = m_reporter->getPreferences().shouldRedirectStdOut;
      }
  
      ReporterPreferences ListeningReporter::getPreferences() const {
          return m_preferences;
      }
  
      std::set<Verbosity> ListeningReporter::getSupportedVerbosities() {
          return std::set<Verbosity>{ };
      }
  
      void ListeningReporter::noMatchingTestCases( std::string const& spec ) {
          for ( auto const& listener : m_listeners ) {
              listener->noMatchingTestCases( spec );
          }
          m_reporter->noMatchingTestCases( spec );
      }
  
      void ListeningReporter::reportInvalidArguments(std::string const&arg){
          for ( auto const& listener : m_listeners ) {
              listener->reportInvalidArguments( arg );
          }
          m_reporter->reportInvalidArguments( arg );
      }
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
      void ListeningReporter::benchmarkPreparing( std::string const& name ) {
  		for (auto const& listener : m_listeners) {
  			listener->benchmarkPreparing(name);
  		}
  		m_reporter->benchmarkPreparing(name);
  	}
      void ListeningReporter::benchmarkStarting( BenchmarkInfo const& benchmarkInfo ) {
          for ( auto const& listener : m_listeners ) {
              listener->benchmarkStarting( benchmarkInfo );
          }
          m_reporter->benchmarkStarting( benchmarkInfo );
      }
      void ListeningReporter::benchmarkEnded( BenchmarkStats<> const& benchmarkStats ) {
          for ( auto const& listener : m_listeners ) {
              listener->benchmarkEnded( benchmarkStats );
          }
          m_reporter->benchmarkEnded( benchmarkStats );
      }
  
  	void ListeningReporter::benchmarkFailed( std::string const& error ) {
  		for (auto const& listener : m_listeners) {
  			listener->benchmarkFailed(error);
  		}
  		m_reporter->benchmarkFailed(error);
  	}
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
      void ListeningReporter::testRunStarting( TestRunInfo const& testRunInfo ) {
          for ( auto const& listener : m_listeners ) {
              listener->testRunStarting( testRunInfo );
          }
          m_reporter->testRunStarting( testRunInfo );
      }
  
      void ListeningReporter::testGroupStarting( GroupInfo const& groupInfo ) {
          for ( auto const& listener : m_listeners ) {
              listener->testGroupStarting( groupInfo );
          }
          m_reporter->testGroupStarting( groupInfo );
      }
  
      void ListeningReporter::testCaseStarting( TestCaseInfo const& testInfo ) {
          for ( auto const& listener : m_listeners ) {
              listener->testCaseStarting( testInfo );
          }
          m_reporter->testCaseStarting( testInfo );
      }
  
      void ListeningReporter::sectionStarting( SectionInfo const& sectionInfo ) {
          for ( auto const& listener : m_listeners ) {
              listener->sectionStarting( sectionInfo );
          }
          m_reporter->sectionStarting( sectionInfo );
      }
  
      void ListeningReporter::assertionStarting( AssertionInfo const& assertionInfo ) {
          for ( auto const& listener : m_listeners ) {
              listener->assertionStarting( assertionInfo );
          }
          m_reporter->assertionStarting( assertionInfo );
      }
  
      // The return value indicates if the messages buffer should be cleared:
      bool ListeningReporter::assertionEnded( AssertionStats const& assertionStats ) {
          for( auto const& listener : m_listeners ) {
              static_cast<void>( listener->assertionEnded( assertionStats ) );
          }
          return m_reporter->assertionEnded( assertionStats );
      }
  
      void ListeningReporter::sectionEnded( SectionStats const& sectionStats ) {
          for ( auto const& listener : m_listeners ) {
              listener->sectionEnded( sectionStats );
          }
          m_reporter->sectionEnded( sectionStats );
      }
  
      void ListeningReporter::testCaseEnded( TestCaseStats const& testCaseStats ) {
          for ( auto const& listener : m_listeners ) {
              listener->testCaseEnded( testCaseStats );
          }
          m_reporter->testCaseEnded( testCaseStats );
      }
  
      void ListeningReporter::testGroupEnded( TestGroupStats const& testGroupStats ) {
          for ( auto const& listener : m_listeners ) {
              listener->testGroupEnded( testGroupStats );
          }
          m_reporter->testGroupEnded( testGroupStats );
      }
  
      void ListeningReporter::testRunEnded( TestRunStats const& testRunStats ) {
          for ( auto const& listener : m_listeners ) {
              listener->testRunEnded( testRunStats );
          }
          m_reporter->testRunEnded( testRunStats );
      }
  
      void ListeningReporter::skipTest( TestCaseInfo const& testInfo ) {
          for ( auto const& listener : m_listeners ) {
              listener->skipTest( testInfo );
          }
          m_reporter->skipTest( testInfo );
      }
  
      bool ListeningReporter::isMulti() const {
          return true;
      }
  
  } // end namespace Catch
  // end catch_reporter_listening.cpp
  // start catch_reporter_xml.cpp
  
  #if defined(_MSC_VER)
  #pragma warning(push)
  #pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
                                // Note that 4062 (not all labels are handled
                                // and default is missing) is enabled
  #endif
  
  namespace Catch {
      XmlReporter::XmlReporter( ReporterConfig const& _config )
      :   StreamingReporterBase( _config ),
          m_xml(_config.stream())
      {
          m_reporterPrefs.shouldRedirectStdOut = true;
          m_reporterPrefs.shouldReportAllAssertions = true;
      }
  
      XmlReporter::~XmlReporter() = default;
  
      std::string XmlReporter::getDescription() {
          return "Reports test results as an XML document";
      }
  
      std::string XmlReporter::getStylesheetRef() const {
          return std::string();
      }
  
      void XmlReporter::writeSourceInfo( SourceLineInfo const& sourceInfo ) {
          m_xml
              .writeAttribute( "filename", sourceInfo.file )
              .writeAttribute( "line", sourceInfo.line );
      }
  
      void XmlReporter::noMatchingTestCases( std::string const& s ) {
          StreamingReporterBase::noMatchingTestCases( s );
      }
  
      void XmlReporter::testRunStarting( TestRunInfo const& testInfo ) {
          StreamingReporterBase::testRunStarting( testInfo );
          std::string stylesheetRef = getStylesheetRef();
          if( !stylesheetRef.empty() )
              m_xml.writeStylesheetRef( stylesheetRef );
          m_xml.startElement( "Catch" );
          if( !m_config->name().empty() )
              m_xml.writeAttribute( "name", m_config->name() );
          if (m_config->testSpec().hasFilters())
              m_xml.writeAttribute( "filters", serializeFilters( m_config->getTestsOrTags() ) );
          if( m_config->rngSeed() != 0 )
              m_xml.scopedElement( "Randomness" )
                  .writeAttribute( "seed", m_config->rngSeed() );
      }
  
      void XmlReporter::testGroupStarting( GroupInfo const& groupInfo ) {
          StreamingReporterBase::testGroupStarting( groupInfo );
          m_xml.startElement( "Group" )
              .writeAttribute( "name", groupInfo.name );
      }
  
      void XmlReporter::testCaseStarting( TestCaseInfo const& testInfo ) {
          StreamingReporterBase::testCaseStarting(testInfo);
          m_xml.startElement( "TestCase" )
              .writeAttribute( "name", trim( testInfo.name ) )
              .writeAttribute( "description", testInfo.description )
              .writeAttribute( "tags", testInfo.tagsAsString() );
  
          writeSourceInfo( testInfo.lineInfo );
  
          if ( m_config->showDurations() == ShowDurations::Always )
              m_testCaseTimer.start();
          m_xml.ensureTagClosed();
      }
  
      void XmlReporter::sectionStarting( SectionInfo const& sectionInfo ) {
          StreamingReporterBase::sectionStarting( sectionInfo );
          if( m_sectionDepth++ > 0 ) {
              m_xml.startElement( "Section" )
                  .writeAttribute( "name", trim( sectionInfo.name ) );
              writeSourceInfo( sectionInfo.lineInfo );
              m_xml.ensureTagClosed();
          }
      }
  
      void XmlReporter::assertionStarting( AssertionInfo const& ) { }
  
      bool XmlReporter::assertionEnded( AssertionStats const& assertionStats ) {
  
          AssertionResult const& result = assertionStats.assertionResult;
  
          bool includeResults = m_config->includeSuccessfulResults() || !result.isOk();
  
          if( includeResults || result.getResultType() == ResultWas::Warning ) {
              // Print any info messages in <Info> tags.
              for( auto const& msg : assertionStats.infoMessages ) {
                  if( msg.type == ResultWas::Info && includeResults ) {
                      m_xml.scopedElement( "Info" )
                              .writeText( msg.message );
                  } else if ( msg.type == ResultWas::Warning ) {
                      m_xml.scopedElement( "Warning" )
                              .writeText( msg.message );
                  }
              }
          }
  
          // Drop out if result was successful but we're not printing them.
          if( !includeResults && result.getResultType() != ResultWas::Warning )
              return true;
  
          // Print the expression if there is one.
          if( result.hasExpression() ) {
              m_xml.startElement( "Expression" )
                  .writeAttribute( "success", result.succeeded() )
                  .writeAttribute( "type", result.getTestMacroName() );
  
              writeSourceInfo( result.getSourceInfo() );
  
              m_xml.scopedElement( "Original" )
                  .writeText( result.getExpression() );
              m_xml.scopedElement( "Expanded" )
                  .writeText( result.getExpandedExpression() );
          }
  
          // And... Print a result applicable to each result type.
          switch( result.getResultType() ) {
              case ResultWas::ThrewException:
                  m_xml.startElement( "Exception" );
                  writeSourceInfo( result.getSourceInfo() );
                  m_xml.writeText( result.getMessage() );
                  m_xml.endElement();
                  break;
              case ResultWas::FatalErrorCondition:
                  m_xml.startElement( "FatalErrorCondition" );
                  writeSourceInfo( result.getSourceInfo() );
                  m_xml.writeText( result.getMessage() );
                  m_xml.endElement();
                  break;
              case ResultWas::Info:
                  m_xml.scopedElement( "Info" )
                      .writeText( result.getMessage() );
                  break;
              case ResultWas::Warning:
                  // Warning will already have been written
                  break;
              case ResultWas::ExplicitFailure:
                  m_xml.startElement( "Failure" );
                  writeSourceInfo( result.getSourceInfo() );
                  m_xml.writeText( result.getMessage() );
                  m_xml.endElement();
                  break;
              default:
                  break;
          }
  
          if( result.hasExpression() )
              m_xml.endElement();
  
          return true;
      }
  
      void XmlReporter::sectionEnded( SectionStats const& sectionStats ) {
          StreamingReporterBase::sectionEnded( sectionStats );
          if( --m_sectionDepth > 0 ) {
              XmlWriter::ScopedElement e = m_xml.scopedElement( "OverallResults" );
              e.writeAttribute( "successes", sectionStats.assertions.passed );
              e.writeAttribute( "failures", sectionStats.assertions.failed );
              e.writeAttribute( "expectedFailures", sectionStats.assertions.failedButOk );
  
              if ( m_config->showDurations() == ShowDurations::Always )
                  e.writeAttribute( "durationInSeconds", sectionStats.durationInSeconds );
  
              m_xml.endElement();
          }
      }
  
      void XmlReporter::testCaseEnded( TestCaseStats const& testCaseStats ) {
          StreamingReporterBase::testCaseEnded( testCaseStats );
          XmlWriter::ScopedElement e = m_xml.scopedElement( "OverallResult" );
          e.writeAttribute( "success", testCaseStats.totals.assertions.allOk() );
  
          if ( m_config->showDurations() == ShowDurations::Always )
              e.writeAttribute( "durationInSeconds", m_testCaseTimer.getElapsedSeconds() );
  
          if( !testCaseStats.stdOut.empty() )
              m_xml.scopedElement( "StdOut" ).writeText( trim( testCaseStats.stdOut ), XmlFormatting::Newline );
          if( !testCaseStats.stdErr.empty() )
              m_xml.scopedElement( "StdErr" ).writeText( trim( testCaseStats.stdErr ), XmlFormatting::Newline );
  
          m_xml.endElement();
      }
  
      void XmlReporter::testGroupEnded( TestGroupStats const& testGroupStats ) {
          StreamingReporterBase::testGroupEnded( testGroupStats );
          // TODO: Check testGroupStats.aborting and act accordingly.
          m_xml.scopedElement( "OverallResults" )
              .writeAttribute( "successes", testGroupStats.totals.assertions.passed )
              .writeAttribute( "failures", testGroupStats.totals.assertions.failed )
              .writeAttribute( "expectedFailures", testGroupStats.totals.assertions.failedButOk );
          m_xml.endElement();
      }
  
      void XmlReporter::testRunEnded( TestRunStats const& testRunStats ) {
          StreamingReporterBase::testRunEnded( testRunStats );
          m_xml.scopedElement( "OverallResults" )
              .writeAttribute( "successes", testRunStats.totals.assertions.passed )
              .writeAttribute( "failures", testRunStats.totals.assertions.failed )
              .writeAttribute( "expectedFailures", testRunStats.totals.assertions.failedButOk );
          m_xml.endElement();
      }
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
      void XmlReporter::benchmarkPreparing(std::string const& name) {
          m_xml.startElement("BenchmarkResults")
              .writeAttribute("name", name);
      }
  
      void XmlReporter::benchmarkStarting(BenchmarkInfo const &info) {
          m_xml.writeAttribute("samples", info.samples)
              .writeAttribute("resamples", info.resamples)
              .writeAttribute("iterations", info.iterations)
              .writeAttribute("clockResolution", static_cast<uint64_t>(info.clockResolution))
              .writeAttribute("estimatedDuration", static_cast<uint64_t>(info.estimatedDuration))
              .writeComment("All values in nano seconds");
      }
  
      void XmlReporter::benchmarkEnded(BenchmarkStats<> const& benchmarkStats) {
          m_xml.startElement("mean")
              .writeAttribute("value", static_cast<uint64_t>(benchmarkStats.mean.point.count()))
              .writeAttribute("lowerBound", static_cast<uint64_t>(benchmarkStats.mean.lower_bound.count()))
              .writeAttribute("upperBound", static_cast<uint64_t>(benchmarkStats.mean.upper_bound.count()))
              .writeAttribute("ci", benchmarkStats.mean.confidence_interval);
          m_xml.endElement();
          m_xml.startElement("standardDeviation")
              .writeAttribute("value", benchmarkStats.standardDeviation.point.count())
              .writeAttribute("lowerBound", benchmarkStats.standardDeviation.lower_bound.count())
              .writeAttribute("upperBound", benchmarkStats.standardDeviation.upper_bound.count())
              .writeAttribute("ci", benchmarkStats.standardDeviation.confidence_interval);
          m_xml.endElement();
          m_xml.startElement("outliers")
              .writeAttribute("variance", benchmarkStats.outlierVariance)
              .writeAttribute("lowMild", benchmarkStats.outliers.low_mild)
              .writeAttribute("lowSevere", benchmarkStats.outliers.low_severe)
              .writeAttribute("highMild", benchmarkStats.outliers.high_mild)
              .writeAttribute("highSevere", benchmarkStats.outliers.high_severe);
          m_xml.endElement();
          m_xml.endElement();
      }
  
      void XmlReporter::benchmarkFailed(std::string const &error) {
          m_xml.scopedElement("failed").
              writeAttribute("message", error);
          m_xml.endElement();
      }
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
      CATCH_REGISTER_REPORTER( "xml", XmlReporter )
  
  } // end namespace Catch
  
  #if defined(_MSC_VER)
  #pragma warning(pop)
  #endif
  // end catch_reporter_xml.cpp
  
  namespace Catch {
      LeakDetector leakDetector;
  }
  
  #ifdef __clang__
  #pragma clang diagnostic pop
  #endif
  
  // end catch_impl.hpp
  #endif
  
  #ifdef CATCH_CONFIG_MAIN
  // start catch_default_main.hpp
  
  #ifndef __OBJC__
  
  #if defined(CATCH_CONFIG_WCHAR) && defined(WIN32) && defined(_UNICODE) && !defined(DO_NOT_USE_WMAIN)
  // Standard C/C++ Win32 Unicode wmain entry point
  extern "C" int wmain (int argc, wchar_t * argv[], wchar_t * []) {
  #else
  // Standard C/C++ main entry point
  int main (int argc, char * argv[]) {
  #endif
  
      return Catch::Session().run( argc, argv );
  }
  
  #else // __OBJC__
  
  // Objective-C entry point
  int main (int argc, char * const argv[]) {
  #if !CATCH_ARC_ENABLED
      NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
  #endif
  
      Catch::registerTestMethods();
      int result = Catch::Session().run( argc, (char**)argv );
  
  #if !CATCH_ARC_ENABLED
      [pool drain];
  #endif
  
      return result;
  }
  
  #endif // __OBJC__
  
  // end catch_default_main.hpp
  #endif
  
  #if !defined(CATCH_CONFIG_IMPL_ONLY)
  
  #ifdef CLARA_CONFIG_MAIN_NOT_DEFINED
  #  undef CLARA_CONFIG_MAIN
  #endif
  
  #if !defined(CATCH_CONFIG_DISABLE)
  //////
  // If this config identifier is defined then all CATCH macros are prefixed with CATCH_
  #ifdef CATCH_CONFIG_PREFIX_ALL
  
  #define CATCH_REQUIRE( ... ) INTERNAL_CATCH_TEST( "CATCH_REQUIRE", Catch::ResultDisposition::Normal, __VA_ARGS__ )
  #define CATCH_REQUIRE_FALSE( ... ) INTERNAL_CATCH_TEST( "CATCH_REQUIRE_FALSE", Catch::ResultDisposition::Normal | Catch::ResultDisposition::FalseTest, __VA_ARGS__ )
  
  #define CATCH_REQUIRE_THROWS( ... ) INTERNAL_CATCH_THROWS( "CATCH_REQUIRE_THROWS", Catch::ResultDisposition::Normal, __VA_ARGS__ )
  #define CATCH_REQUIRE_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CATCH_REQUIRE_THROWS_AS", exceptionType, Catch::ResultDisposition::Normal, expr )
  #define CATCH_REQUIRE_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CATCH_REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr )
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CATCH_REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CATCH_REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr )
  #endif// CATCH_CONFIG_DISABLE_MATCHERS
  #define CATCH_REQUIRE_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CATCH_REQUIRE_NOTHROW", Catch::ResultDisposition::Normal, __VA_ARGS__ )
  
  #define CATCH_CHECK( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CATCH_CHECK_FALSE( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK_FALSE", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::FalseTest, __VA_ARGS__ )
  #define CATCH_CHECKED_IF( ... ) INTERNAL_CATCH_IF( "CATCH_CHECKED_IF", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CATCH_CHECKED_ELSE( ... ) INTERNAL_CATCH_ELSE( "CATCH_CHECKED_ELSE", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CATCH_CHECK_NOFAIL( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK_NOFAIL", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::SuppressFail, __VA_ARGS__ )
  
  #define CATCH_CHECK_THROWS( ... )  INTERNAL_CATCH_THROWS( "CATCH_CHECK_THROWS", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CATCH_CHECK_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CATCH_CHECK_THROWS_AS", exceptionType, Catch::ResultDisposition::ContinueOnFailure, expr )
  #define CATCH_CHECK_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CATCH_CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CATCH_CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CATCH_CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  #define CATCH_CHECK_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CATCH_CHECK_NOTHROW", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CATCH_CHECK_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CATCH_CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg )
  
  #define CATCH_REQUIRE_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CATCH_REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg )
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  
  #define CATCH_INFO( msg ) INTERNAL_CATCH_INFO( "CATCH_INFO", msg )
  #define CATCH_UNSCOPED_INFO( msg ) INTERNAL_CATCH_UNSCOPED_INFO( "CATCH_UNSCOPED_INFO", msg )
  #define CATCH_WARN( msg ) INTERNAL_CATCH_MSG( "CATCH_WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg )
  #define CATCH_CAPTURE( ... ) INTERNAL_CATCH_CAPTURE( INTERNAL_CATCH_UNIQUE_NAME(capturer), "CATCH_CAPTURE",__VA_ARGS__ )
  
  #define CATCH_TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE( __VA_ARGS__ )
  #define CATCH_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define CATCH_METHOD_AS_TEST_CASE( method, ... ) INTERNAL_CATCH_METHOD_AS_TEST_CASE( method, __VA_ARGS__ )
  #define CATCH_REGISTER_TEST_CASE( Function, ... ) INTERNAL_CATCH_REGISTER_TESTCASE( Function, __VA_ARGS__ )
  #define CATCH_SECTION( ... ) INTERNAL_CATCH_SECTION( __VA_ARGS__ )
  #define CATCH_DYNAMIC_SECTION( ... ) INTERNAL_CATCH_DYNAMIC_SECTION( __VA_ARGS__ )
  #define CATCH_FAIL( ... ) INTERNAL_CATCH_MSG( "CATCH_FAIL", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::Normal, __VA_ARGS__ )
  #define CATCH_FAIL_CHECK( ... ) INTERNAL_CATCH_MSG( "CATCH_FAIL_CHECK", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CATCH_SUCCEED( ... ) INTERNAL_CATCH_MSG( "CATCH_SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  
  #define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define CATCH_TEMPLATE_TEST_CASE_SIG( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG( __VA_ARGS__ )
  #define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( className, __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE( __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG( ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG( __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, __VA_ARGS__ )
  #else
  #define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_TEST_CASE_SIG( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG( __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( className, __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE( __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG( __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, __VA_ARGS__ ) )
  #endif
  
  #if !defined(CATCH_CONFIG_RUNTIME_STATIC_REQUIRE)
  #define CATCH_STATIC_REQUIRE( ... )       static_assert(   __VA_ARGS__ ,      #__VA_ARGS__ );     CATCH_SUCCEED( #__VA_ARGS__ )
  #define CATCH_STATIC_REQUIRE_FALSE( ... ) static_assert( !(__VA_ARGS__), "!(" #__VA_ARGS__ ")" ); CATCH_SUCCEED( #__VA_ARGS__ )
  #else
  #define CATCH_STATIC_REQUIRE( ... )       CATCH_REQUIRE( __VA_ARGS__ )
  #define CATCH_STATIC_REQUIRE_FALSE( ... ) CATCH_REQUIRE_FALSE( __VA_ARGS__ )
  #endif
  
  // "BDD-style" convenience wrappers
  #define CATCH_SCENARIO( ... ) CATCH_TEST_CASE( "Scenario: " __VA_ARGS__ )
  #define CATCH_SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, "Scenario: " __VA_ARGS__ )
  #define CATCH_GIVEN( desc )     INTERNAL_CATCH_DYNAMIC_SECTION( "    Given: " << desc )
  #define CATCH_AND_GIVEN( desc ) INTERNAL_CATCH_DYNAMIC_SECTION( "And given: " << desc )
  #define CATCH_WHEN( desc )      INTERNAL_CATCH_DYNAMIC_SECTION( "     When: " << desc )
  #define CATCH_AND_WHEN( desc )  INTERNAL_CATCH_DYNAMIC_SECTION( " And when: " << desc )
  #define CATCH_THEN( desc )      INTERNAL_CATCH_DYNAMIC_SECTION( "     Then: " << desc )
  #define CATCH_AND_THEN( desc )  INTERNAL_CATCH_DYNAMIC_SECTION( "      And: " << desc )
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  #define CATCH_BENCHMARK(...) \
      INTERNAL_CATCH_BENCHMARK(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____B_E_N_C_H____), INTERNAL_CATCH_GET_1_ARG(__VA_ARGS__,,), INTERNAL_CATCH_GET_2_ARG(__VA_ARGS__,,))
  #define CATCH_BENCHMARK_ADVANCED(name) \
      INTERNAL_CATCH_BENCHMARK_ADVANCED(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____B_E_N_C_H____), name)
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
  // If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
  #else
  
  #define REQUIRE( ... ) INTERNAL_CATCH_TEST( "REQUIRE", Catch::ResultDisposition::Normal, __VA_ARGS__  )
  #define REQUIRE_FALSE( ... ) INTERNAL_CATCH_TEST( "REQUIRE_FALSE", Catch::ResultDisposition::Normal | Catch::ResultDisposition::FalseTest, __VA_ARGS__ )
  
  #define REQUIRE_THROWS( ... ) INTERNAL_CATCH_THROWS( "REQUIRE_THROWS", Catch::ResultDisposition::Normal, __VA_ARGS__ )
  #define REQUIRE_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "REQUIRE_THROWS_AS", exceptionType, Catch::ResultDisposition::Normal, expr )
  #define REQUIRE_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr )
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr )
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  #define REQUIRE_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "REQUIRE_NOTHROW", Catch::ResultDisposition::Normal, __VA_ARGS__ )
  
  #define CHECK( ... ) INTERNAL_CATCH_TEST( "CHECK", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CHECK_FALSE( ... ) INTERNAL_CATCH_TEST( "CHECK_FALSE", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::FalseTest, __VA_ARGS__ )
  #define CHECKED_IF( ... ) INTERNAL_CATCH_IF( "CHECKED_IF", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CHECKED_ELSE( ... ) INTERNAL_CATCH_ELSE( "CHECKED_ELSE", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CHECK_NOFAIL( ... ) INTERNAL_CATCH_TEST( "CHECK_NOFAIL", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::SuppressFail, __VA_ARGS__ )
  
  #define CHECK_THROWS( ... )  INTERNAL_CATCH_THROWS( "CHECK_THROWS", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define CHECK_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CHECK_THROWS_AS", exceptionType, Catch::ResultDisposition::ContinueOnFailure, expr )
  #define CHECK_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  #define CHECK_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CHECK_NOTHROW", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CHECK_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg )
  
  #define REQUIRE_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg )
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  
  #define INFO( msg ) INTERNAL_CATCH_INFO( "INFO", msg )
  #define UNSCOPED_INFO( msg ) INTERNAL_CATCH_UNSCOPED_INFO( "UNSCOPED_INFO", msg )
  #define WARN( msg ) INTERNAL_CATCH_MSG( "WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg )
  #define CAPTURE( ... ) INTERNAL_CATCH_CAPTURE( INTERNAL_CATCH_UNIQUE_NAME(capturer), "CAPTURE",__VA_ARGS__ )
  
  #define TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE( __VA_ARGS__ )
  #define TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define METHOD_AS_TEST_CASE( method, ... ) INTERNAL_CATCH_METHOD_AS_TEST_CASE( method, __VA_ARGS__ )
  #define REGISTER_TEST_CASE( Function, ... ) INTERNAL_CATCH_REGISTER_TESTCASE( Function, __VA_ARGS__ )
  #define SECTION( ... ) INTERNAL_CATCH_SECTION( __VA_ARGS__ )
  #define DYNAMIC_SECTION( ... ) INTERNAL_CATCH_DYNAMIC_SECTION( __VA_ARGS__ )
  #define FAIL( ... ) INTERNAL_CATCH_MSG( "FAIL", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::Normal, __VA_ARGS__ )
  #define FAIL_CHECK( ... ) INTERNAL_CATCH_MSG( "FAIL_CHECK", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define SUCCEED( ... ) INTERNAL_CATCH_MSG( "SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
  #define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define TEMPLATE_TEST_CASE_SIG( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG( __VA_ARGS__ )
  #define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define TEMPLATE_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( className, __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE( __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_SIG( ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG( __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, __VA_ARGS__ )
  #define TEMPLATE_LIST_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE(__VA_ARGS__)
  #define TEMPLATE_LIST_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #else
  #define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ ) )
  #define TEMPLATE_TEST_CASE_SIG( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG( __VA_ARGS__ ) )
  #define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
  #define TEMPLATE_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( className, __VA_ARGS__ ) )
  #define TEMPLATE_PRODUCT_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE( __VA_ARGS__ ) )
  #define TEMPLATE_PRODUCT_TEST_CASE_SIG( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG( __VA_ARGS__ ) )
  #define TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
  #define TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, __VA_ARGS__ ) )
  #define TEMPLATE_LIST_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE( __VA_ARGS__ ) )
  #define TEMPLATE_LIST_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
  #endif
  
  #if !defined(CATCH_CONFIG_RUNTIME_STATIC_REQUIRE)
  #define STATIC_REQUIRE( ... )       static_assert(   __VA_ARGS__,  #__VA_ARGS__ ); SUCCEED( #__VA_ARGS__ )
  #define STATIC_REQUIRE_FALSE( ... ) static_assert( !(__VA_ARGS__), "!(" #__VA_ARGS__ ")" ); SUCCEED( "!(" #__VA_ARGS__ ")" )
  #else
  #define STATIC_REQUIRE( ... )       REQUIRE( __VA_ARGS__ )
  #define STATIC_REQUIRE_FALSE( ... ) REQUIRE_FALSE( __VA_ARGS__ )
  #endif
  
  #endif
  
  #define CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature )
  
  // "BDD-style" convenience wrappers
  #define SCENARIO( ... ) TEST_CASE( "Scenario: " __VA_ARGS__ )
  #define SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, "Scenario: " __VA_ARGS__ )
  
  #define GIVEN( desc )     INTERNAL_CATCH_DYNAMIC_SECTION( "    Given: " << desc )
  #define AND_GIVEN( desc ) INTERNAL_CATCH_DYNAMIC_SECTION( "And given: " << desc )
  #define WHEN( desc )      INTERNAL_CATCH_DYNAMIC_SECTION( "     When: " << desc )
  #define AND_WHEN( desc )  INTERNAL_CATCH_DYNAMIC_SECTION( " And when: " << desc )
  #define THEN( desc )      INTERNAL_CATCH_DYNAMIC_SECTION( "     Then: " << desc )
  #define AND_THEN( desc )  INTERNAL_CATCH_DYNAMIC_SECTION( "      And: " << desc )
  
  #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  #define BENCHMARK(...) \
      INTERNAL_CATCH_BENCHMARK(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____B_E_N_C_H____), INTERNAL_CATCH_GET_1_ARG(__VA_ARGS__,,), INTERNAL_CATCH_GET_2_ARG(__VA_ARGS__,,))
  #define BENCHMARK_ADVANCED(name) \
      INTERNAL_CATCH_BENCHMARK_ADVANCED(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____B_E_N_C_H____), name)
  #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
  
  using Catch::Detail::Approx;
  
  #else // CATCH_CONFIG_DISABLE
  
  //////
  // If this config identifier is defined then all CATCH macros are prefixed with CATCH_
  #ifdef CATCH_CONFIG_PREFIX_ALL
  
  #define CATCH_REQUIRE( ... )        (void)(0)
  #define CATCH_REQUIRE_FALSE( ... )  (void)(0)
  
  #define CATCH_REQUIRE_THROWS( ... ) (void)(0)
  #define CATCH_REQUIRE_THROWS_AS( expr, exceptionType ) (void)(0)
  #define CATCH_REQUIRE_THROWS_WITH( expr, matcher )     (void)(0)
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CATCH_REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
  #endif// CATCH_CONFIG_DISABLE_MATCHERS
  #define CATCH_REQUIRE_NOTHROW( ... ) (void)(0)
  
  #define CATCH_CHECK( ... )         (void)(0)
  #define CATCH_CHECK_FALSE( ... )   (void)(0)
  #define CATCH_CHECKED_IF( ... )    if (__VA_ARGS__)
  #define CATCH_CHECKED_ELSE( ... )  if (!(__VA_ARGS__))
  #define CATCH_CHECK_NOFAIL( ... )  (void)(0)
  
  #define CATCH_CHECK_THROWS( ... )  (void)(0)
  #define CATCH_CHECK_THROWS_AS( expr, exceptionType ) (void)(0)
  #define CATCH_CHECK_THROWS_WITH( expr, matcher )     (void)(0)
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CATCH_CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  #define CATCH_CHECK_NOTHROW( ... ) (void)(0)
  
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CATCH_CHECK_THAT( arg, matcher )   (void)(0)
  
  #define CATCH_REQUIRE_THAT( arg, matcher ) (void)(0)
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  
  #define CATCH_INFO( msg )          (void)(0)
  #define CATCH_UNSCOPED_INFO( msg ) (void)(0)
  #define CATCH_WARN( msg )          (void)(0)
  #define CATCH_CAPTURE( msg )       (void)(0)
  
  #define CATCH_TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
  #define CATCH_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
  #define CATCH_METHOD_AS_TEST_CASE( method, ... )
  #define CATCH_REGISTER_TEST_CASE( Function, ... ) (void)(0)
  #define CATCH_SECTION( ... )
  #define CATCH_DYNAMIC_SECTION( ... )
  #define CATCH_FAIL( ... ) (void)(0)
  #define CATCH_FAIL_CHECK( ... ) (void)(0)
  #define CATCH_SUCCEED( ... ) (void)(0)
  
  #define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(__VA_ARGS__)
  #define CATCH_TEMPLATE_TEST_CASE_SIG( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(__VA_ARGS__)
  #define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(className, __VA_ARGS__)
  #define CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(className, __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE( ... ) CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG( ... ) CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, ... ) CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #else
  #define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(__VA_ARGS__) )
  #define CATCH_TEMPLATE_TEST_CASE_SIG( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(__VA_ARGS__) )
  #define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(className, __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(className, __VA_ARGS__ ) )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE( ... ) CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG( ... ) CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, ... ) CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #endif
  
  // "BDD-style" convenience wrappers
  #define CATCH_SCENARIO( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
  #define CATCH_SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), className )
  #define CATCH_GIVEN( desc )
  #define CATCH_AND_GIVEN( desc )
  #define CATCH_WHEN( desc )
  #define CATCH_AND_WHEN( desc )
  #define CATCH_THEN( desc )
  #define CATCH_AND_THEN( desc )
  
  #define CATCH_STATIC_REQUIRE( ... )       (void)(0)
  #define CATCH_STATIC_REQUIRE_FALSE( ... ) (void)(0)
  
  // If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
  #else
  
  #define REQUIRE( ... )       (void)(0)
  #define REQUIRE_FALSE( ... ) (void)(0)
  
  #define REQUIRE_THROWS( ... ) (void)(0)
  #define REQUIRE_THROWS_AS( expr, exceptionType ) (void)(0)
  #define REQUIRE_THROWS_WITH( expr, matcher ) (void)(0)
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  #define REQUIRE_NOTHROW( ... ) (void)(0)
  
  #define CHECK( ... ) (void)(0)
  #define CHECK_FALSE( ... ) (void)(0)
  #define CHECKED_IF( ... ) if (__VA_ARGS__)
  #define CHECKED_ELSE( ... ) if (!(__VA_ARGS__))
  #define CHECK_NOFAIL( ... ) (void)(0)
  
  #define CHECK_THROWS( ... )  (void)(0)
  #define CHECK_THROWS_AS( expr, exceptionType ) (void)(0)
  #define CHECK_THROWS_WITH( expr, matcher ) (void)(0)
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  #define CHECK_NOTHROW( ... ) (void)(0)
  
  #if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
  #define CHECK_THAT( arg, matcher ) (void)(0)
  
  #define REQUIRE_THAT( arg, matcher ) (void)(0)
  #endif // CATCH_CONFIG_DISABLE_MATCHERS
  
  #define INFO( msg ) (void)(0)
  #define UNSCOPED_INFO( msg ) (void)(0)
  #define WARN( msg ) (void)(0)
  #define CAPTURE( msg ) (void)(0)
  
  #define TEST_CASE( ... )  INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
  #define TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
  #define METHOD_AS_TEST_CASE( method, ... )
  #define REGISTER_TEST_CASE( Function, ... ) (void)(0)
  #define SECTION( ... )
  #define DYNAMIC_SECTION( ... )
  #define FAIL( ... ) (void)(0)
  #define FAIL_CHECK( ... ) (void)(0)
  #define SUCCEED( ... ) (void)(0)
  #define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
  
  #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
  #define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(__VA_ARGS__)
  #define TEMPLATE_TEST_CASE_SIG( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(__VA_ARGS__)
  #define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(className, __VA_ARGS__)
  #define TEMPLATE_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(className, __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE( ... ) TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_SIG( ... ) TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, ... ) TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #else
  #define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(__VA_ARGS__) )
  #define TEMPLATE_TEST_CASE_SIG( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(__VA_ARGS__) )
  #define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(className, __VA_ARGS__ ) )
  #define TEMPLATE_TEST_CASE_METHOD_SIG( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(className, __VA_ARGS__ ) )
  #define TEMPLATE_PRODUCT_TEST_CASE( ... ) TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_SIG( ... ) TEMPLATE_TEST_CASE( __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #define TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG( className, ... ) TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
  #endif
  
  #define STATIC_REQUIRE( ... )       (void)(0)
  #define STATIC_REQUIRE_FALSE( ... ) (void)(0)
  
  #endif
  
  #define CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG( INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ), signature )
  
  // "BDD-style" convenience wrappers
  #define SCENARIO( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ) )
  #define SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), className )
  
  #define GIVEN( desc )
  #define AND_GIVEN( desc )
  #define WHEN( desc )
  #define AND_WHEN( desc )
  #define THEN( desc )
  #define AND_THEN( desc )
  
  using Catch::Detail::Approx;
  
  #endif
  
  #endif // ! CATCH_CONFIG_IMPL_ONLY
  
  // start catch_reenable_warnings.h
  
  
  #ifdef __clang__
  #    ifdef __ICC // icpc defines the __clang__ macro
  #        pragma warning(pop)
  #    else
  #        pragma clang diagnostic pop
  #    endif
  #elif defined __GNUC__
  #    pragma GCC diagnostic pop
  #endif
  
  // end catch_reenable_warnings.h
  // end catch.hpp
  #endif // TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
  