libcxx/test/std/language.support/support.limits/support.limits.general/charconv.version.compile.pass.cpp

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// WARNING: This test was generated by generate_feature_test_macro_components.py
// and should not be edited manually.

// <charconv>

// Test the feature test macros defined by <charconv>

// clang-format off

#include <charconv>
#include "test_macros.h"

#if TEST_STD_VER < 14

#  ifdef __cpp_lib_constexpr_charconv
#    error "__cpp_lib_constexpr_charconv should not be defined before c++23"
#  endif

#  ifdef __cpp_lib_to_chars
#    error "__cpp_lib_to_chars should not be defined before c++17"
#  endif

#elif TEST_STD_VER == 14

#  ifdef __cpp_lib_constexpr_charconv
#    error "__cpp_lib_constexpr_charconv should not be defined before c++23"
#  endif

#  ifdef __cpp_lib_to_chars
#    error "__cpp_lib_to_chars should not be defined before c++17"
#  endif

#elif TEST_STD_VER == 17

#  ifdef __cpp_lib_constexpr_charconv
#    error "__cpp_lib_constexpr_charconv should not be defined before c++23"
#  endif

#  if !defined(_LIBCPP_VERSION)
#    ifndef __cpp_lib_to_chars
#      error "__cpp_lib_to_chars should be defined in c++17"
#    endif
#    if __cpp_lib_to_chars != 201611L
#      error "__cpp_lib_to_chars should have the value 201611L in c++17"
#    endif
#  else
#    ifdef __cpp_lib_to_chars
#      error "__cpp_lib_to_chars should not be defined because it is unimplemented in libc++!"
#    endif
#  endif

#elif TEST_STD_VER == 20

#  ifdef __cpp_lib_constexpr_charconv
#    error "__cpp_lib_constexpr_charconv should not be defined before c++23"
#  endif

#  if !defined(_LIBCPP_VERSION)
#    ifndef __cpp_lib_to_chars
#      error "__cpp_lib_to_chars should be defined in c++20"
#    endif
#    if __cpp_lib_to_chars != 201611L
#      error "__cpp_lib_to_chars should have the value 201611L in c++20"
#    endif
#  else
#    ifdef __cpp_lib_to_chars
#      error "__cpp_lib_to_chars should not be defined because it is unimplemented in libc++!"
#    endif
#  endif

#elif TEST_STD_VER == 23

#  ifndef __cpp_lib_constexpr_charconv
#    error "__cpp_lib_constexpr_charconv should be defined in c++23"
#  endif
#  if __cpp_lib_constexpr_charconv != 202207L
#    error "__cpp_lib_constexpr_charconv should have the value 202207L in c++23"
#  endif

#  if !defined(_LIBCPP_VERSION)
#    ifndef __cpp_lib_to_chars
#      error "__cpp_lib_to_chars should be defined in c++23"
#    endif
#    if __cpp_lib_to_chars != 201611L
#      error "__cpp_lib_to_chars should have the value 201611L in c++23"
#    endif
#  else
#    ifdef __cpp_lib_to_chars
#      error "__cpp_lib_to_chars should not be defined because it is unimplemented in libc++!"
#    endif
#  endif

#elif TEST_STD_VER > 23

#  ifndef __cpp_lib_constexpr_charconv
#    error "__cpp_lib_constexpr_charconv should be defined in c++26"
#  endif
#  if __cpp_lib_constexpr_charconv != 202207L
#    error "__cpp_lib_constexpr_charconv should have the value 202207L in c++26"
#  endif

#  if !defined(_LIBCPP_VERSION)
#    ifndef __cpp_lib_to_chars
#      error "__cpp_lib_to_chars should be defined in c++26"
#    endif
#    if __cpp_lib_to_chars != 202306L
#      error "__cpp_lib_to_chars should have the value 202306L in c++26"
#    endif
#  else
#    ifdef __cpp_lib_to_chars
#      error "__cpp_lib_to_chars should not be defined because it is unimplemented in libc++!"
#    endif
#  endif

#endif // TEST_STD_VER > 23

// clang-format on