libcxx/test/std/language.support/support.limits/support.limits.general/variant.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.

// <variant>

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

// clang-format off

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

#if TEST_STD_VER < 14

#  ifdef __cpp_lib_constrained_equality
#    error "__cpp_lib_constrained_equality should not be defined before c++26"
#  endif

#  ifdef __cpp_lib_freestanding_variant
#    error "__cpp_lib_freestanding_variant should not be defined before c++26"
#  endif

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

#elif TEST_STD_VER == 14

#  ifdef __cpp_lib_constrained_equality
#    error "__cpp_lib_constrained_equality should not be defined before c++26"
#  endif

#  ifdef __cpp_lib_freestanding_variant
#    error "__cpp_lib_freestanding_variant should not be defined before c++26"
#  endif

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

#elif TEST_STD_VER == 17

#  ifdef __cpp_lib_constrained_equality
#    error "__cpp_lib_constrained_equality should not be defined before c++26"
#  endif

#  ifdef __cpp_lib_freestanding_variant
#    error "__cpp_lib_freestanding_variant should not be defined before c++26"
#  endif

#  ifndef __cpp_lib_variant
#    error "__cpp_lib_variant should be defined in c++17"
#  endif
#  if __cpp_lib_variant != 202102L
#    error "__cpp_lib_variant should have the value 202102L in c++17"
#  endif

#elif TEST_STD_VER == 20

#  ifdef __cpp_lib_constrained_equality
#    error "__cpp_lib_constrained_equality should not be defined before c++26"
#  endif

#  ifdef __cpp_lib_freestanding_variant
#    error "__cpp_lib_freestanding_variant should not be defined before c++26"
#  endif

#  ifndef __cpp_lib_variant
#    error "__cpp_lib_variant should be defined in c++20"
#  endif
#  if __cpp_lib_variant != 202106L
#    error "__cpp_lib_variant should have the value 202106L in c++20"
#  endif

#elif TEST_STD_VER == 23

#  ifdef __cpp_lib_constrained_equality
#    error "__cpp_lib_constrained_equality should not be defined before c++26"
#  endif

#  ifdef __cpp_lib_freestanding_variant
#    error "__cpp_lib_freestanding_variant should not be defined before c++26"
#  endif

#  ifndef __cpp_lib_variant
#    error "__cpp_lib_variant should be defined in c++23"
#  endif
#  if __cpp_lib_variant != 202106L
#    error "__cpp_lib_variant should have the value 202106L in c++23"
#  endif

#elif TEST_STD_VER > 23

#  if !defined(_LIBCPP_VERSION)
#    ifndef __cpp_lib_constrained_equality
#      error "__cpp_lib_constrained_equality should be defined in c++26"
#    endif
#    if __cpp_lib_constrained_equality != 202411L
#      error "__cpp_lib_constrained_equality should have the value 202411L in c++26"
#    endif
#  else
#    ifdef __cpp_lib_constrained_equality
#      error "__cpp_lib_constrained_equality should not be defined because it is unimplemented in libc++!"
#    endif
#  endif

#  if !defined(_LIBCPP_VERSION)
#    ifndef __cpp_lib_freestanding_variant
#      error "__cpp_lib_freestanding_variant should be defined in c++26"
#    endif
#    if __cpp_lib_freestanding_variant != 202311L
#      error "__cpp_lib_freestanding_variant should have the value 202311L in c++26"
#    endif
#  else
#    ifdef __cpp_lib_freestanding_variant
#      error "__cpp_lib_freestanding_variant should not be defined because it is unimplemented in libc++!"
#    endif
#  endif

#  ifndef __cpp_lib_variant
#    error "__cpp_lib_variant should be defined in c++26"
#  endif
#  if __cpp_lib_variant != 202306L
#    error "__cpp_lib_variant should have the value 202306L in c++26"
#  endif

#endif // TEST_STD_VER > 23

// clang-format on