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a945c346 | 1 | // Copyright (C) 2016-2024 Free Software Foundation, Inc. |
387edf83 JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
6458742a | 18 | // { dg-do compile { target c++17 } } |
387edf83 JW |
19 | |
20 | #include <atomic> | |
21 | ||
22 | using std::atomic; | |
23 | ||
24 | template<typename T> | |
25 | constexpr bool check(int macro) | |
26 | { | |
27 | return std::atomic<T>::is_always_lock_free == (macro == 2); | |
28 | } | |
29 | ||
30 | static_assert( check<bool>(ATOMIC_BOOL_LOCK_FREE) ); | |
31 | static_assert( check<char>(ATOMIC_CHAR_LOCK_FREE) ); | |
32 | static_assert( check<signed char>(ATOMIC_CHAR_LOCK_FREE) ); | |
33 | static_assert( check<unsigned char>(ATOMIC_CHAR_LOCK_FREE) ); | |
34 | static_assert( check<int>(ATOMIC_INT_LOCK_FREE) ); | |
35 | static_assert( check<unsigned int>(ATOMIC_INT_LOCK_FREE) ); | |
36 | static_assert( check<long>(ATOMIC_LONG_LOCK_FREE) ); | |
37 | static_assert( check<unsigned long>(ATOMIC_LONG_LOCK_FREE) ); | |
38 | static_assert( check<long long>(ATOMIC_LLONG_LOCK_FREE) ); | |
39 | static_assert( check<unsigned long long>(ATOMIC_LLONG_LOCK_FREE) ); | |
40 | static_assert( check<wchar_t>(ATOMIC_WCHAR_T_LOCK_FREE) ); | |
59019b42 TH |
41 | #ifdef _GLIBCXX_USE_CHAR8_T |
42 | static_assert( check<char8_t>(ATOMIC_CHAR8_T_LOCK_FREE) ); | |
43 | #endif | |
387edf83 JW |
44 | static_assert( check<char16_t>(ATOMIC_CHAR16_T_LOCK_FREE) ); |
45 | static_assert( check<char32_t>(ATOMIC_CHAR32_T_LOCK_FREE) ); |