//===----------------------------------------------------------------------===//
//
// 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.

// <optional>

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

// clang-format off

#include <optional>
#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_optional
#    error "__cpp_lib_freestanding_optional should not be defined before c++26"
#  endif

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

#  ifdef __cpp_lib_optional_range_support
#    error "__cpp_lib_optional_range_support should not be defined before c++26"
#  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_optional
#    error "__cpp_lib_freestanding_optional should not be defined before c++26"
#  endif

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

#  ifdef __cpp_lib_optional_range_support
#    error "__cpp_lib_optional_range_support should not be defined before c++26"
#  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_optional
#    error "__cpp_lib_freestanding_optional should not be defined before c++26"
#  endif

#  ifndef __cpp_lib_optional
#    error "__cpp_lib_optional should be defined in c++17"
#  endif
#  if __cpp_lib_optional != 201606L
#    error "__cpp_lib_optional should have the value 201606L in c++17"
#  endif

#  ifdef __cpp_lib_optional_range_support
#    error "__cpp_lib_optional_range_support should not be defined before c++26"
#  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_optional
#    error "__cpp_lib_freestanding_optional should not be defined before c++26"
#  endif

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

#  ifdef __cpp_lib_optional_range_support
#    error "__cpp_lib_optional_range_support should not be defined before c++26"
#  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_optional
#    error "__cpp_lib_freestanding_optional should not be defined before c++26"
#  endif

#  ifndef __cpp_lib_optional
#    error "__cpp_lib_optional should be defined in c++23"
#  endif
#  if __cpp_lib_optional != 202110L
#    error "__cpp_lib_optional should have the value 202110L in c++23"
#  endif

#  ifdef __cpp_lib_optional_range_support
#    error "__cpp_lib_optional_range_support should not be defined before c++26"
#  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_optional
#      error "__cpp_lib_freestanding_optional should be defined in c++26"
#    endif
#    if __cpp_lib_freestanding_optional != 202311L
#      error "__cpp_lib_freestanding_optional should have the value 202311L in c++26"
#    endif
#  else
#    ifdef __cpp_lib_freestanding_optional
#      error "__cpp_lib_freestanding_optional should not be defined because it is unimplemented in libc++!"
#    endif
#  endif

#  ifndef __cpp_lib_optional
#    error "__cpp_lib_optional should be defined in c++26"
#  endif
#  if __cpp_lib_optional != 202110L
#    error "__cpp_lib_optional should have the value 202110L in c++26"
#  endif

#  if !defined(_LIBCPP_VERSION)
#    ifndef __cpp_lib_optional_range_support
#      error "__cpp_lib_optional_range_support should be defined in c++26"
#    endif
#    if __cpp_lib_optional_range_support != 202406L
#      error "__cpp_lib_optional_range_support should have the value 202406L in c++26"
#    endif
#  else
#    ifdef __cpp_lib_optional_range_support
#      error "__cpp_lib_optional_range_support should not be defined because it is unimplemented in libc++!"
#    endif
#  endif

#endif // TEST_STD_VER > 23

// clang-format on