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27c17177 JW |
1 | // { dg-options "-std=gnu++2a" } |
2 | // { dg-do run { target c++2a } } | |
3 | ||
83ffe9cd | 4 | // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
27c17177 JW |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <chrono> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | // C++20 27.6.6 Comparisons [time.point.comparisons] | |
25 | ||
26 | void | |
27 | test01() | |
28 | { | |
29 | using namespace std::chrono; | |
30 | ||
31 | auto ns = system_clock::now(); | |
32 | auto s = time_point_cast<seconds>(ns + seconds(2)); | |
33 | ||
34 | VERIFY( s != ns ); | |
35 | VERIFY( std::is_lt(ns <=> s) ); | |
36 | } | |
37 | ||
38 | int main() | |
39 | { | |
40 | test01(); | |
41 | } |