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.
  //
  //===----------------------------------------------------------------------===//
  
  // UNSUPPORTED: c++98, c++03
  
  // <experimental/filesystem>
  
  // path current_path();
  // path current_path(error_code& ec);
  // void current_path(path const&);
  // void current_path(path const&, std::error_code& ec) noexcept;
  
  #include "filesystem_include.hpp"
  #include <type_traits>
  #include <cassert>
  
  #include "test_macros.h"
  #include "rapid-cxx-test.hpp"
  #include "filesystem_test_helper.hpp"
  
  using namespace fs;
  
  TEST_SUITE(filesystem_current_path_path_test_suite)
  
  TEST_CASE(current_path_signature_test)
  {
      const path p; ((void)p);
      std::error_code ec; ((void)ec);
      ASSERT_NOT_NOEXCEPT(current_path());
      ASSERT_NOT_NOEXCEPT(current_path(ec));
      ASSERT_NOT_NOEXCEPT(current_path(p));
      ASSERT_NOEXCEPT(current_path(p, ec));
  }
  
  TEST_CASE(current_path_test)
  {
      std::error_code ec;
      const path p = current_path(ec);
      TEST_REQUIRE(!ec);
      TEST_CHECK(p.is_absolute());
      TEST_CHECK(is_directory(p));
  
      const path p2 = current_path();
      TEST_CHECK(p2 == p);
  }
  
  TEST_CASE(current_path_after_change_test)
  {
      const path new_path = StaticEnv::Dir;
      current_path(new_path);
      TEST_CHECK(current_path() == new_path);
  }
  
  TEST_CASE(current_path_is_file_test)
  {
      const path p = StaticEnv::File;
      std::error_code ec;
      const path old_p = current_path();
      current_path(p, ec);
      TEST_CHECK(ec);
      TEST_CHECK(old_p == current_path());
  }
  
  TEST_CASE(set_to_non_absolute_path)
  {
      const path base = StaticEnv::Dir;
      current_path(base);
      const path p = StaticEnv::Dir2.filename();
      std::error_code ec;
      current_path(p, ec);
      TEST_CHECK(!ec);
      const path new_cwd = current_path();
      TEST_CHECK(new_cwd == StaticEnv::Dir2);
      TEST_CHECK(new_cwd.is_absolute());
  }
  
  TEST_CASE(set_to_empty)
  {
      const path p = "";
      std::error_code ec;
      const path old_p = current_path();
      current_path(p, ec);
      TEST_CHECK(ec);
      TEST_CHECK(old_p == current_path());
  }
  
  TEST_SUITE_END()
  