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1 | // { dg-options "-std=gnu++2a" } |
2 | // { dg-do compile { target c++2a } } | |
3 | ||
99dee823 | 4 | // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
03d5044b PP |
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 | // 20.8.4 Class template time_point [time.point] | |
22 | ||
23 | #include <chrono> | |
24 | ||
25 | constexpr bool | |
26 | test_time_point_increment_ops() | |
27 | { | |
28 | using namespace std::chrono; | |
29 | bool ok = true; | |
30 | time_point<local_t, seconds> tp(seconds(1)); | |
31 | ||
32 | ok &= tp.time_since_epoch() == 1s; | |
33 | ok &= (tp++).time_since_epoch() == 1s; | |
34 | ok &= tp.time_since_epoch() == 2s; | |
35 | ok &= (++tp).time_since_epoch() == 3s; | |
36 | ok &= (tp--).time_since_epoch() == 3s; | |
37 | ok &= tp.time_since_epoch() == 2s; | |
38 | ok &= (--tp).time_since_epoch() == 1s; | |
39 | ok &= tp.time_since_epoch() == 1s; | |
40 | return ok; | |
41 | } | |
42 | static_assert(test_time_point_increment_ops()); |