third_party/libc++/src/test/std/language.support/support.limits/support.limits.general/utility.version.compile.pass.cpp - platform/external/cronet - Git at Google

 //===----------------------------------------------------------------------===//
 //
 // 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.
 //
 // clang-format off

 // <utility>

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

 /*  Constant                                  Value
     __cpp_lib_as_const                        201510L [C++17]
     __cpp_lib_constexpr_algorithms            201806L [C++20]
     __cpp_lib_constexpr_utility               201811L [C++20]
     __cpp_lib_exchange_function               201304L [C++14]
     __cpp_lib_forward_like                    202207L [C++23]
     __cpp_lib_integer_comparison_functions    202002L [C++20]
     __cpp_lib_integer_sequence                201304L [C++14]
     __cpp_lib_ranges_zip                      202110L [C++23]
     __cpp_lib_to_underlying                   202102L [C++23]
     __cpp_lib_tuple_like                      202207L [C++23]
                                               202311L [C++26]
     __cpp_lib_tuples_by_type                  201304L [C++14]
     __cpp_lib_unreachable                     202202L [C++23]
 */

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

 #if TEST_STD_VER < 14

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

 # ifdef __cpp_lib_constexpr_algorithms
 #   error "__cpp_lib_constexpr_algorithms should not be defined before c++20"
 # endif

 # ifdef __cpp_lib_constexpr_utility
 #   error "__cpp_lib_constexpr_utility should not be defined before c++20"
 # endif

 # ifdef __cpp_lib_exchange_function
 #   error "__cpp_lib_exchange_function should not be defined before c++14"
 # endif

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

 # ifdef __cpp_lib_integer_comparison_functions
 #   error "__cpp_lib_integer_comparison_functions should not be defined before c++20"
 # endif

 # ifdef __cpp_lib_integer_sequence
 #   error "__cpp_lib_integer_sequence should not be defined before c++14"
 # endif

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

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

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

 # ifdef __cpp_lib_tuples_by_type
 #   error "__cpp_lib_tuples_by_type should not be defined before c++14"
 # endif

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

 #elif TEST_STD_VER == 14

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

 # ifdef __cpp_lib_constexpr_algorithms
 #   error "__cpp_lib_constexpr_algorithms should not be defined before c++20"
 # endif

 # ifdef __cpp_lib_constexpr_utility
 #   error "__cpp_lib_constexpr_utility should not be defined before c++20"
 # endif

 # ifndef __cpp_lib_exchange_function
 #   error "__cpp_lib_exchange_function should be defined in c++14"
 # endif
 # if __cpp_lib_exchange_function != 201304L
 #   error "__cpp_lib_exchange_function should have the value 201304L in c++14"
 # endif

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

 # ifdef __cpp_lib_integer_comparison_functions
 #   error "__cpp_lib_integer_comparison_functions should not be defined before c++20"
 # endif

 # ifndef __cpp_lib_integer_sequence
 #   error "__cpp_lib_integer_sequence should be defined in c++14"
 # endif
 # if __cpp_lib_integer_sequence != 201304L
 #   error "__cpp_lib_integer_sequence should have the value 201304L in c++14"
 # endif

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

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

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

 # ifndef __cpp_lib_tuples_by_type
 #   error "__cpp_lib_tuples_by_type should be defined in c++14"
 # endif
 # if __cpp_lib_tuples_by_type != 201304L
 #   error "__cpp_lib_tuples_by_type should have the value 201304L in c++14"
 # endif

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

 #elif TEST_STD_VER == 17

 # ifndef __cpp_lib_as_const
 #   error "__cpp_lib_as_const should be defined in c++17"
 # endif
 # if __cpp_lib_as_const != 201510L
 #   error "__cpp_lib_as_const should have the value 201510L in c++17"
 # endif

 # ifdef __cpp_lib_constexpr_algorithms
 #   error "__cpp_lib_constexpr_algorithms should not be defined before c++20"
 # endif

 # ifdef __cpp_lib_constexpr_utility
 #   error "__cpp_lib_constexpr_utility should not be defined before c++20"
 # endif

 # ifndef __cpp_lib_exchange_function
 #   error "__cpp_lib_exchange_function should be defined in c++17"
 # endif
 # if __cpp_lib_exchange_function != 201304L
 #   error "__cpp_lib_exchange_function should have the value 201304L in c++17"
 # endif

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

 # ifdef __cpp_lib_integer_comparison_functions
 #   error "__cpp_lib_integer_comparison_functions should not be defined before c++20"
 # endif

 # ifndef __cpp_lib_integer_sequence
 #   error "__cpp_lib_integer_sequence should be defined in c++17"
 # endif
 # if __cpp_lib_integer_sequence != 201304L
 #   error "__cpp_lib_integer_sequence should have the value 201304L in c++17"
 # endif

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

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

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

 # ifndef __cpp_lib_tuples_by_type
 #   error "__cpp_lib_tuples_by_type should be defined in c++17"
 # endif
 # if __cpp_lib_tuples_by_type != 201304L
 #   error "__cpp_lib_tuples_by_type should have the value 201304L in c++17"
 # endif

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

 #elif TEST_STD_VER == 20

 # ifndef __cpp_lib_as_const
 #   error "__cpp_lib_as_const should be defined in c++20"
 # endif
 # if __cpp_lib_as_const != 201510L
 #   error "__cpp_lib_as_const should have the value 201510L in c++20"
 # endif

 # ifndef __cpp_lib_constexpr_algorithms
 #   error "__cpp_lib_constexpr_algorithms should be defined in c++20"
 # endif
 # if __cpp_lib_constexpr_algorithms != 201806L
 #   error "__cpp_lib_constexpr_algorithms should have the value 201806L in c++20"
 # endif

 # ifndef __cpp_lib_constexpr_utility
 #   error "__cpp_lib_constexpr_utility should be defined in c++20"
 # endif
 # if __cpp_lib_constexpr_utility != 201811L
 #   error "__cpp_lib_constexpr_utility should have the value 201811L in c++20"
 # endif

 # ifndef __cpp_lib_exchange_function
 #   error "__cpp_lib_exchange_function should be defined in c++20"
 # endif
 # if __cpp_lib_exchange_function != 201304L
 #   error "__cpp_lib_exchange_function should have the value 201304L in c++20"
 # endif

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

 # ifndef __cpp_lib_integer_comparison_functions
 #   error "__cpp_lib_integer_comparison_functions should be defined in c++20"
 # endif
 # if __cpp_lib_integer_comparison_functions != 202002L
 #   error "__cpp_lib_integer_comparison_functions should have the value 202002L in c++20"
 # endif

 # ifndef __cpp_lib_integer_sequence
 #   error "__cpp_lib_integer_sequence should be defined in c++20"
 # endif
 # if __cpp_lib_integer_sequence != 201304L
 #   error "__cpp_lib_integer_sequence should have the value 201304L in c++20"
 # endif

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

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

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

 # ifndef __cpp_lib_tuples_by_type
 #   error "__cpp_lib_tuples_by_type should be defined in c++20"
 # endif
 # if __cpp_lib_tuples_by_type != 201304L
 #   error "__cpp_lib_tuples_by_type should have the value 201304L in c++20"
 # endif

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

 #elif TEST_STD_VER == 23

 # ifndef __cpp_lib_as_const
 #   error "__cpp_lib_as_const should be defined in c++23"
 # endif
 # if __cpp_lib_as_const != 201510L
 #   error "__cpp_lib_as_const should have the value 201510L in c++23"
 # endif

 # ifndef __cpp_lib_constexpr_algorithms
 #   error "__cpp_lib_constexpr_algorithms should be defined in c++23"
 # endif
 # if __cpp_lib_constexpr_algorithms != 201806L
 #   error "__cpp_lib_constexpr_algorithms should have the value 201806L in c++23"
 # endif

 # ifndef __cpp_lib_constexpr_utility
 #   error "__cpp_lib_constexpr_utility should be defined in c++23"
 # endif
 # if __cpp_lib_constexpr_utility != 201811L
 #   error "__cpp_lib_constexpr_utility should have the value 201811L in c++23"
 # endif

 # ifndef __cpp_lib_exchange_function
 #   error "__cpp_lib_exchange_function should be defined in c++23"
 # endif
 # if __cpp_lib_exchange_function != 201304L
 #   error "__cpp_lib_exchange_function should have the value 201304L in c++23"
 # endif

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

 # ifndef __cpp_lib_integer_comparison_functions
 #   error "__cpp_lib_integer_comparison_functions should be defined in c++23"
 # endif
 # if __cpp_lib_integer_comparison_functions != 202002L
 #   error "__cpp_lib_integer_comparison_functions should have the value 202002L in c++23"
 # endif

 # ifndef __cpp_lib_integer_sequence
 #   error "__cpp_lib_integer_sequence should be defined in c++23"
 # endif
 # if __cpp_lib_integer_sequence != 201304L
 #   error "__cpp_lib_integer_sequence should have the value 201304L in c++23"
 # endif

 # if !defined(_LIBCPP_VERSION)
 #   ifndef __cpp_lib_ranges_zip
 #     error "__cpp_lib_ranges_zip should be defined in c++23"
 #   endif
 #   if __cpp_lib_ranges_zip != 202110L
 #     error "__cpp_lib_ranges_zip should have the value 202110L in c++23"
 #   endif
 # else // _LIBCPP_VERSION
 #   ifdef __cpp_lib_ranges_zip
 #     error "__cpp_lib_ranges_zip should not be defined because it is unimplemented in libc++!"
 #   endif
 # endif

 # ifndef __cpp_lib_to_underlying
 #   error "__cpp_lib_to_underlying should be defined in c++23"
 # endif
 # if __cpp_lib_to_underlying != 202102L
 #   error "__cpp_lib_to_underlying should have the value 202102L in c++23"
 # endif

 # if !defined(_LIBCPP_VERSION)
 #   ifndef __cpp_lib_tuple_like
 #     error "__cpp_lib_tuple_like should be defined in c++23"
 #   endif
 #   if __cpp_lib_tuple_like != 202207L
 #     error "__cpp_lib_tuple_like should have the value 202207L in c++23"
 #   endif
 # else // _LIBCPP_VERSION
 #   ifdef __cpp_lib_tuple_like
 #     error "__cpp_lib_tuple_like should not be defined because it is unimplemented in libc++!"
 #   endif
 # endif

 # ifndef __cpp_lib_tuples_by_type
 #   error "__cpp_lib_tuples_by_type should be defined in c++23"
 # endif
 # if __cpp_lib_tuples_by_type != 201304L
 #   error "__cpp_lib_tuples_by_type should have the value 201304L in c++23"
 # endif

 # ifndef __cpp_lib_unreachable
 #   error "__cpp_lib_unreachable should be defined in c++23"
 # endif
 # if __cpp_lib_unreachable != 202202L
 #   error "__cpp_lib_unreachable should have the value 202202L in c++23"
 # endif

 #elif TEST_STD_VER > 23

 # ifndef __cpp_lib_as_const
 #   error "__cpp_lib_as_const should be defined in c++26"
 # endif
 # if __cpp_lib_as_const != 201510L
 #   error "__cpp_lib_as_const should have the value 201510L in c++26"
 # endif

 # ifndef __cpp_lib_constexpr_algorithms
 #   error "__cpp_lib_constexpr_algorithms should be defined in c++26"
 # endif
 # if __cpp_lib_constexpr_algorithms != 201806L
 #   error "__cpp_lib_constexpr_algorithms should have the value 201806L in c++26"
 # endif

 # ifndef __cpp_lib_constexpr_utility
 #   error "__cpp_lib_constexpr_utility should be defined in c++26"
 # endif
 # if __cpp_lib_constexpr_utility != 201811L
 #   error "__cpp_lib_constexpr_utility should have the value 201811L in c++26"
 # endif

 # ifndef __cpp_lib_exchange_function
 #   error "__cpp_lib_exchange_function should be defined in c++26"
 # endif
 # if __cpp_lib_exchange_function != 201304L
 #   error "__cpp_lib_exchange_function should have the value 201304L in c++26"
 # endif

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

 # ifndef __cpp_lib_integer_comparison_functions
 #   error "__cpp_lib_integer_comparison_functions should be defined in c++26"
 # endif
 # if __cpp_lib_integer_comparison_functions != 202002L
 #   error "__cpp_lib_integer_comparison_functions should have the value 202002L in c++26"
 # endif

 # ifndef __cpp_lib_integer_sequence
 #   error "__cpp_lib_integer_sequence should be defined in c++26"
 # endif
 # if __cpp_lib_integer_sequence != 201304L
 #   error "__cpp_lib_integer_sequence should have the value 201304L in c++26"
 # endif

 # if !defined(_LIBCPP_VERSION)
 #   ifndef __cpp_lib_ranges_zip
 #     error "__cpp_lib_ranges_zip should be defined in c++26"
 #   endif
 #   if __cpp_lib_ranges_zip != 202110L
 #     error "__cpp_lib_ranges_zip should have the value 202110L in c++26"
 #   endif
 # else // _LIBCPP_VERSION
 #   ifdef __cpp_lib_ranges_zip
 #     error "__cpp_lib_ranges_zip should not be defined because it is unimplemented in libc++!"
 #   endif
 # endif

 # ifndef __cpp_lib_to_underlying
 #   error "__cpp_lib_to_underlying should be defined in c++26"
 # endif
 # if __cpp_lib_to_underlying != 202102L
 #   error "__cpp_lib_to_underlying should have the value 202102L in c++26"
 # endif

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

 # ifndef __cpp_lib_tuples_by_type
 #   error "__cpp_lib_tuples_by_type should be defined in c++26"
 # endif
 # if __cpp_lib_tuples_by_type != 201304L
 #   error "__cpp_lib_tuples_by_type should have the value 201304L in c++26"
 # endif

 # ifndef __cpp_lib_unreachable
 #   error "__cpp_lib_unreachable should be defined in c++26"
 # endif
 # if __cpp_lib_unreachable != 202202L
 #   error "__cpp_lib_unreachable should have the value 202202L in c++26"
 # endif

 #endif // TEST_STD_VER > 23
	//===----------------------------------------------------------------------===//
	//
	// 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.
	//
	// clang-format off

	// <utility>

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

	/* Constant Value
	__cpp_lib_as_const 201510L [C++17]
	__cpp_lib_constexpr_algorithms 201806L [C++20]
	__cpp_lib_constexpr_utility 201811L [C++20]
	__cpp_lib_exchange_function 201304L [C++14]
	__cpp_lib_forward_like 202207L [C++23]
	__cpp_lib_integer_comparison_functions 202002L [C++20]
	__cpp_lib_integer_sequence 201304L [C++14]
	__cpp_lib_ranges_zip 202110L [C++23]
	__cpp_lib_to_underlying 202102L [C++23]
	__cpp_lib_tuple_like 202207L [C++23]
	202311L [C++26]
	__cpp_lib_tuples_by_type 201304L [C++14]
	__cpp_lib_unreachable 202202L [C++23]
	*/

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

	#if TEST_STD_VER < 14

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

	# ifdef __cpp_lib_constexpr_algorithms
	# error "__cpp_lib_constexpr_algorithms should not be defined before c++20"
	# endif

	# ifdef __cpp_lib_constexpr_utility
	# error "__cpp_lib_constexpr_utility should not be defined before c++20"
	# endif

	# ifdef __cpp_lib_exchange_function
	# error "__cpp_lib_exchange_function should not be defined before c++14"
	# endif

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

	# ifdef __cpp_lib_integer_comparison_functions
	# error "__cpp_lib_integer_comparison_functions should not be defined before c++20"
	# endif

	# ifdef __cpp_lib_integer_sequence
	# error "__cpp_lib_integer_sequence should not be defined before c++14"
	# endif

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

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

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

	# ifdef __cpp_lib_tuples_by_type
	# error "__cpp_lib_tuples_by_type should not be defined before c++14"
	# endif

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

	#elif TEST_STD_VER == 14

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

	# ifdef __cpp_lib_constexpr_algorithms
	# error "__cpp_lib_constexpr_algorithms should not be defined before c++20"
	# endif

	# ifdef __cpp_lib_constexpr_utility
	# error "__cpp_lib_constexpr_utility should not be defined before c++20"
	# endif

	# ifndef __cpp_lib_exchange_function
	# error "__cpp_lib_exchange_function should be defined in c++14"
	# endif
	# if __cpp_lib_exchange_function != 201304L
	# error "__cpp_lib_exchange_function should have the value 201304L in c++14"
	# endif

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

	# ifdef __cpp_lib_integer_comparison_functions
	# error "__cpp_lib_integer_comparison_functions should not be defined before c++20"
	# endif

	# ifndef __cpp_lib_integer_sequence
	# error "__cpp_lib_integer_sequence should be defined in c++14"
	# endif
	# if __cpp_lib_integer_sequence != 201304L
	# error "__cpp_lib_integer_sequence should have the value 201304L in c++14"
	# endif

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

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

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

	# ifndef __cpp_lib_tuples_by_type
	# error "__cpp_lib_tuples_by_type should be defined in c++14"
	# endif
	# if __cpp_lib_tuples_by_type != 201304L
	# error "__cpp_lib_tuples_by_type should have the value 201304L in c++14"
	# endif

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

	#elif TEST_STD_VER == 17

	# ifndef __cpp_lib_as_const
	# error "__cpp_lib_as_const should be defined in c++17"
	# endif
	# if __cpp_lib_as_const != 201510L
	# error "__cpp_lib_as_const should have the value 201510L in c++17"
	# endif

	# ifdef __cpp_lib_constexpr_algorithms
	# error "__cpp_lib_constexpr_algorithms should not be defined before c++20"
	# endif

	# ifdef __cpp_lib_constexpr_utility
	# error "__cpp_lib_constexpr_utility should not be defined before c++20"
	# endif

	# ifndef __cpp_lib_exchange_function
	# error "__cpp_lib_exchange_function should be defined in c++17"
	# endif
	# if __cpp_lib_exchange_function != 201304L
	# error "__cpp_lib_exchange_function should have the value 201304L in c++17"
	# endif

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

	# ifdef __cpp_lib_integer_comparison_functions
	# error "__cpp_lib_integer_comparison_functions should not be defined before c++20"
	# endif

	# ifndef __cpp_lib_integer_sequence
	# error "__cpp_lib_integer_sequence should be defined in c++17"
	# endif
	# if __cpp_lib_integer_sequence != 201304L
	# error "__cpp_lib_integer_sequence should have the value 201304L in c++17"
	# endif

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

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

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

	# ifndef __cpp_lib_tuples_by_type
	# error "__cpp_lib_tuples_by_type should be defined in c++17"
	# endif
	# if __cpp_lib_tuples_by_type != 201304L
	# error "__cpp_lib_tuples_by_type should have the value 201304L in c++17"
	# endif

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

	#elif TEST_STD_VER == 20

	# ifndef __cpp_lib_as_const
	# error "__cpp_lib_as_const should be defined in c++20"
	# endif
	# if __cpp_lib_as_const != 201510L
	# error "__cpp_lib_as_const should have the value 201510L in c++20"
	# endif

	# ifndef __cpp_lib_constexpr_algorithms
	# error "__cpp_lib_constexpr_algorithms should be defined in c++20"
	# endif
	# if __cpp_lib_constexpr_algorithms != 201806L
	# error "__cpp_lib_constexpr_algorithms should have the value 201806L in c++20"
	# endif

	# ifndef __cpp_lib_constexpr_utility
	# error "__cpp_lib_constexpr_utility should be defined in c++20"
	# endif
	# if __cpp_lib_constexpr_utility != 201811L
	# error "__cpp_lib_constexpr_utility should have the value 201811L in c++20"
	# endif

	# ifndef __cpp_lib_exchange_function
	# error "__cpp_lib_exchange_function should be defined in c++20"
	# endif
	# if __cpp_lib_exchange_function != 201304L
	# error "__cpp_lib_exchange_function should have the value 201304L in c++20"
	# endif

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

	# ifndef __cpp_lib_integer_comparison_functions
	# error "__cpp_lib_integer_comparison_functions should be defined in c++20"
	# endif
	# if __cpp_lib_integer_comparison_functions != 202002L
	# error "__cpp_lib_integer_comparison_functions should have the value 202002L in c++20"
	# endif

	# ifndef __cpp_lib_integer_sequence
	# error "__cpp_lib_integer_sequence should be defined in c++20"
	# endif
	# if __cpp_lib_integer_sequence != 201304L
	# error "__cpp_lib_integer_sequence should have the value 201304L in c++20"
	# endif

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

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

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

	# ifndef __cpp_lib_tuples_by_type
	# error "__cpp_lib_tuples_by_type should be defined in c++20"
	# endif
	# if __cpp_lib_tuples_by_type != 201304L
	# error "__cpp_lib_tuples_by_type should have the value 201304L in c++20"
	# endif

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

	#elif TEST_STD_VER == 23

	# ifndef __cpp_lib_as_const
	# error "__cpp_lib_as_const should be defined in c++23"
	# endif
	# if __cpp_lib_as_const != 201510L
	# error "__cpp_lib_as_const should have the value 201510L in c++23"
	# endif

	# ifndef __cpp_lib_constexpr_algorithms
	# error "__cpp_lib_constexpr_algorithms should be defined in c++23"
	# endif
	# if __cpp_lib_constexpr_algorithms != 201806L
	# error "__cpp_lib_constexpr_algorithms should have the value 201806L in c++23"
	# endif

	# ifndef __cpp_lib_constexpr_utility
	# error "__cpp_lib_constexpr_utility should be defined in c++23"
	# endif
	# if __cpp_lib_constexpr_utility != 201811L
	# error "__cpp_lib_constexpr_utility should have the value 201811L in c++23"
	# endif

	# ifndef __cpp_lib_exchange_function
	# error "__cpp_lib_exchange_function should be defined in c++23"
	# endif
	# if __cpp_lib_exchange_function != 201304L
	# error "__cpp_lib_exchange_function should have the value 201304L in c++23"
	# endif

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

	# ifndef __cpp_lib_integer_comparison_functions
	# error "__cpp_lib_integer_comparison_functions should be defined in c++23"
	# endif
	# if __cpp_lib_integer_comparison_functions != 202002L
	# error "__cpp_lib_integer_comparison_functions should have the value 202002L in c++23"
	# endif

	# ifndef __cpp_lib_integer_sequence
	# error "__cpp_lib_integer_sequence should be defined in c++23"
	# endif
	# if __cpp_lib_integer_sequence != 201304L
	# error "__cpp_lib_integer_sequence should have the value 201304L in c++23"
	# endif

	# if !defined(_LIBCPP_VERSION)
	# ifndef __cpp_lib_ranges_zip
	# error "__cpp_lib_ranges_zip should be defined in c++23"
	# endif
	# if __cpp_lib_ranges_zip != 202110L
	# error "__cpp_lib_ranges_zip should have the value 202110L in c++23"
	# endif
	# else // _LIBCPP_VERSION
	# ifdef __cpp_lib_ranges_zip
	# error "__cpp_lib_ranges_zip should not be defined because it is unimplemented in libc++!"
	# endif
	# endif

	# ifndef __cpp_lib_to_underlying
	# error "__cpp_lib_to_underlying should be defined in c++23"
	# endif
	# if __cpp_lib_to_underlying != 202102L
	# error "__cpp_lib_to_underlying should have the value 202102L in c++23"
	# endif

	# if !defined(_LIBCPP_VERSION)
	# ifndef __cpp_lib_tuple_like
	# error "__cpp_lib_tuple_like should be defined in c++23"
	# endif
	# if __cpp_lib_tuple_like != 202207L
	# error "__cpp_lib_tuple_like should have the value 202207L in c++23"
	# endif
	# else // _LIBCPP_VERSION
	# ifdef __cpp_lib_tuple_like
	# error "__cpp_lib_tuple_like should not be defined because it is unimplemented in libc++!"
	# endif
	# endif

	# ifndef __cpp_lib_tuples_by_type
	# error "__cpp_lib_tuples_by_type should be defined in c++23"
	# endif
	# if __cpp_lib_tuples_by_type != 201304L
	# error "__cpp_lib_tuples_by_type should have the value 201304L in c++23"
	# endif

	# ifndef __cpp_lib_unreachable
	# error "__cpp_lib_unreachable should be defined in c++23"
	# endif
	# if __cpp_lib_unreachable != 202202L
	# error "__cpp_lib_unreachable should have the value 202202L in c++23"
	# endif

	#elif TEST_STD_VER > 23

	# ifndef __cpp_lib_as_const
	# error "__cpp_lib_as_const should be defined in c++26"
	# endif
	# if __cpp_lib_as_const != 201510L
	# error "__cpp_lib_as_const should have the value 201510L in c++26"
	# endif

	# ifndef __cpp_lib_constexpr_algorithms
	# error "__cpp_lib_constexpr_algorithms should be defined in c++26"
	# endif
	# if __cpp_lib_constexpr_algorithms != 201806L
	# error "__cpp_lib_constexpr_algorithms should have the value 201806L in c++26"
	# endif

	# ifndef __cpp_lib_constexpr_utility
	# error "__cpp_lib_constexpr_utility should be defined in c++26"
	# endif
	# if __cpp_lib_constexpr_utility != 201811L
	# error "__cpp_lib_constexpr_utility should have the value 201811L in c++26"
	# endif

	# ifndef __cpp_lib_exchange_function
	# error "__cpp_lib_exchange_function should be defined in c++26"
	# endif
	# if __cpp_lib_exchange_function != 201304L
	# error "__cpp_lib_exchange_function should have the value 201304L in c++26"
	# endif

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

	# ifndef __cpp_lib_integer_comparison_functions
	# error "__cpp_lib_integer_comparison_functions should be defined in c++26"
	# endif
	# if __cpp_lib_integer_comparison_functions != 202002L
	# error "__cpp_lib_integer_comparison_functions should have the value 202002L in c++26"
	# endif

	# ifndef __cpp_lib_integer_sequence
	# error "__cpp_lib_integer_sequence should be defined in c++26"
	# endif
	# if __cpp_lib_integer_sequence != 201304L
	# error "__cpp_lib_integer_sequence should have the value 201304L in c++26"
	# endif

	# if !defined(_LIBCPP_VERSION)
	# ifndef __cpp_lib_ranges_zip
	# error "__cpp_lib_ranges_zip should be defined in c++26"
	# endif
	# if __cpp_lib_ranges_zip != 202110L
	# error "__cpp_lib_ranges_zip should have the value 202110L in c++26"
	# endif
	# else // _LIBCPP_VERSION
	# ifdef __cpp_lib_ranges_zip
	# error "__cpp_lib_ranges_zip should not be defined because it is unimplemented in libc++!"
	# endif
	# endif

	# ifndef __cpp_lib_to_underlying
	# error "__cpp_lib_to_underlying should be defined in c++26"
	# endif
	# if __cpp_lib_to_underlying != 202102L
	# error "__cpp_lib_to_underlying should have the value 202102L in c++26"
	# endif

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

	# ifndef __cpp_lib_tuples_by_type
	# error "__cpp_lib_tuples_by_type should be defined in c++26"
	# endif
	# if __cpp_lib_tuples_by_type != 201304L
	# error "__cpp_lib_tuples_by_type should have the value 201304L in c++26"
	# endif

	# ifndef __cpp_lib_unreachable
	# error "__cpp_lib_unreachable should be defined in c++26"
	# endif
	# if __cpp_lib_unreachable != 202202L
	# error "__cpp_lib_unreachable should have the value 202202L in c++26"
	# endif

	#endif // TEST_STD_VER > 23