text: //===----------------------------------------------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is dual licensed under the MIT and the University of Illinois Open
  // Source Licenses. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  // <locale>
  
  // template <class charT> class ctype_byname;
  
  // const charT* toupper(charT* low, const charT* high) const;
  
  // XFAIL: with_system_cxx_lib=x86_64-apple-darwin11
  // XFAIL: with_system_cxx_lib=x86_64-apple-darwin12
  // XFAIL: linux
  
  #include <locale>
  #include <string>
  #include <cassert>
  
  #include "platform_support.h" // locale name macros
  
  int main()
  {
      {
          std::locale l(LOCALE_en_US_UTF_8);
          {
              typedef std::ctype<char> F;
              const F& f = std::use_facet<F>(l);
              std::string in("\xFA A\x07.a1");
  
              assert(f.toupper(&in[0], in.data() + in.size()) == in.data() + in.size());
              assert(in[0] == '\xDA');
              assert(in[1] == ' ');
              assert(in[2] == 'A');
              assert(in[3] == '\x07');
              assert(in[4] == '.');
              assert(in[5] == 'A');
              assert(in[6] == '1');
          }
      }
      {
          std::locale l("C");
          {
              typedef std::ctype<char> F;
              const F& f = std::use_facet<F>(l);
              std::string in("\xFA A\x07.a1");
  
              assert(f.toupper(&in[0], in.data() + in.size()) == in.data() + in.size());
              assert(in[0] == '\xFA');
              assert(in[1] == ' ');
              assert(in[2] == 'A');
              assert(in[3] == '\x07');
              assert(in[4] == '.');
              assert(in[5] == 'A');
              assert(in[6] == '1');
          }
      }
      {
          std::locale l(LOCALE_en_US_UTF_8);
          {
              typedef std::ctype<wchar_t> F;
              const F& f = std::use_facet<F>(l);
              std::wstring in(L"\xFA A\x07.a1");
  
              assert(f.toupper(&in[0], in.data() + in.size()) == in.data() + in.size());
              assert(in[0] == L'\xDA');
              assert(in[1] == L' ');
              assert(in[2] == L'A');
              assert(in[3] == L'\x07');
              assert(in[4] == L'.');
              assert(in[5] == L'A');
              assert(in[6] == L'1');
          }
      }
      {
          std::locale l("C");
          {
              typedef std::ctype<wchar_t> F;
              const F& f = std::use_facet<F>(l);
              std::wstring in(L"\xFA A\x07.a1");
  
              assert(f.toupper(&in[0], in.data() + in.size()) == in.data() + in.size());
              assert(in[0] == L'\xFA');
              assert(in[1] == L' ');
              assert(in[2] == L'A');
              assert(in[3] == L'\x07');
              assert(in[4] == L'.');
              assert(in[5] == L'A');
              assert(in[6] == L'1');
          }
      }
  }
  