1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// WARNING: This test was generated by generate_feature_test_macro_components.py
10// and should not be edited manually.
11//
12// clang-format off
13
14// <cstdlib>
15
16// Test the feature test macros defined by <cstdlib>
17
18/* Constant Value
19 __cpp_lib_constexpr_cmath 202202L [C++23]
20*/
21
22#include <cstdlib>
23#include "test_macros.h"
24
25#if TEST_STD_VER < 14
26
27# ifdef __cpp_lib_constexpr_cmath
28# error "__cpp_lib_constexpr_cmath should not be defined before c++23"
29# endif
30
31#elif TEST_STD_VER == 14
32
33# ifdef __cpp_lib_constexpr_cmath
34# error "__cpp_lib_constexpr_cmath should not be defined before c++23"
35# endif
36
37#elif TEST_STD_VER == 17
38
39# ifdef __cpp_lib_constexpr_cmath
40# error "__cpp_lib_constexpr_cmath should not be defined before c++23"
41# endif
42
43#elif TEST_STD_VER == 20
44
45# ifdef __cpp_lib_constexpr_cmath
46# error "__cpp_lib_constexpr_cmath should not be defined before c++23"
47# endif
48
49#elif TEST_STD_VER == 23
50
51# if !defined(_LIBCPP_VERSION)
52# ifndef __cpp_lib_constexpr_cmath
53# error "__cpp_lib_constexpr_cmath should be defined in c++23"
54# endif
55# if __cpp_lib_constexpr_cmath != 202202L
56# error "__cpp_lib_constexpr_cmath should have the value 202202L in c++23"
57# endif
58# else // _LIBCPP_VERSION
59# ifdef __cpp_lib_constexpr_cmath
60# error "__cpp_lib_constexpr_cmath should not be defined because it is unimplemented in libc++!"
61# endif
62# endif
63
64#elif TEST_STD_VER > 23
65
66# if !defined(_LIBCPP_VERSION)
67# ifndef __cpp_lib_constexpr_cmath
68# error "__cpp_lib_constexpr_cmath should be defined in c++26"
69# endif
70# if __cpp_lib_constexpr_cmath != 202202L
71# error "__cpp_lib_constexpr_cmath should have the value 202202L in c++26"
72# endif
73# else // _LIBCPP_VERSION
74# ifdef __cpp_lib_constexpr_cmath
75# error "__cpp_lib_constexpr_cmath should not be defined because it is unimplemented in libc++!"
76# endif
77# endif
78
79#endif // TEST_STD_VER > 23
80
81

source code of libcxx/test/std/language.support/support.limits/support.limits.general/cstdlib.version.compile.pass.cpp