| // { dg-options "-std=gnu++2a" } |
| // { dg-do compile { target c++2a } } |
| |
| // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // 20.8.4 Class template time_point [time.point] |
| |
| #include <chrono> |
| |
| constexpr bool |
| test_time_point_increment_ops() |
| { |
| using namespace std::chrono; |
| bool ok = true; |
| time_point<local_t, seconds> tp(seconds(1)); |
| |
| ok &= tp.time_since_epoch() == 1s; |
| ok &= (tp++).time_since_epoch() == 1s; |
| ok &= tp.time_since_epoch() == 2s; |
| ok &= (++tp).time_since_epoch() == 3s; |
| ok &= (tp--).time_since_epoch() == 3s; |
| ok &= tp.time_since_epoch() == 2s; |
| ok &= (--tp).time_since_epoch() == 1s; |
| ok &= tp.time_since_epoch() == 1s; |
| return ok; |
| } |
| static_assert(test_time_point_increment_ops()); |