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1 | // { dg-do compile { target c++20 } } | |
2 | ||
3 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. | |
4 | // | |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <thread> | |
21 | ||
22 | template<typename Expected, typename T> | |
23 | struct check_type | |
24 | : std::false_type | |
25 | { }; | |
26 | ||
27 | template<typename Expected> | |
28 | struct check_type<Expected, Expected> | |
29 | : std::true_type | |
30 | { }; | |
31 | ||
32 | void test01() | |
33 | { | |
34 | // thread::id operators | |
35 | std::thread::id id1; | |
36 | std::thread::id id2; | |
37 | ||
38 | static_assert( check_type<bool, decltype(id1 == id2)>{} ); | |
39 | static_assert( check_type<bool, decltype(id1 != id2)>{} ); | |
40 | static_assert( check_type<bool, decltype(id1 < id2)>{} ); | |
41 | static_assert( check_type<bool, decltype(id1 > id2)>{} ); | |
42 | static_assert( check_type<bool, decltype(id1 >= id2)>{} ); | |
43 | static_assert( check_type<bool, decltype(id1 <= id2)>{} ); | |
44 | ||
45 | static_assert( check_type<std::strong_ordering, decltype(id1 <=> id2)>{} ); | |
46 | } |