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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/time_point/4.cc
1 // { dg-do compile { target c++20 } }
3 // Copyright (C) 2020-2024 Free Software Foundation, Inc.
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)
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.
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/>.
20 // 20.8.4 Class template time_point [time.point]
25 test_time_point_increment_ops()
27 using namespace std::chrono
;
29 time_point
<local_t
, seconds
> tp(seconds(1));
31 ok
&= tp
.time_since_epoch() == 1s
;
32 ok
&= (tp
++).time_since_epoch() == 1s
;
33 ok
&= tp
.time_since_epoch() == 2s
;
34 ok
&= (++tp
).time_since_epoch() == 3s
;
35 ok
&= (tp
--).time_since_epoch() == 3s
;
36 ok
&= tp
.time_since_epoch() == 2s
;
37 ok
&= (--tp
).time_since_epoch() == 1s
;
38 ok
&= tp
.time_since_epoch() == 1s
;
41 static_assert(test_time_point_increment_ops());