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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/time_point/2.cc
1 // { dg-options "-std=gnu++0x" }
2 // { dg-require-cstdint "" }
4 // Copyright (C) 2008-2013 Free Software Foundation, Inc.
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)
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.
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/>.
21 // 20.8.4 Class template time_point [time.point]
24 #include <testsuite_hooks.h>
26 // 20.8.4.3 time_point arithmetic [time.point.arithmetic]
30 bool test
__attribute__((unused
)) = true;
31 using namespace std::chrono
;
33 time_point
<system_clock
> t1
, t2
;
35 VERIFY(t2
.time_since_epoch() + seconds(1) == t1
.time_since_epoch());
37 t1
-= std::chrono::seconds(1);
38 VERIFY(t2
.time_since_epoch() == t1
.time_since_epoch());
41 // 20.8.4.5 time_point non-member arithmetic [time.point.nonmember]
45 bool test
__attribute__((unused
)) = true;
46 using namespace std::chrono
;
48 time_point
<system_clock
> t1
;
49 time_point
<system_clock
> t2(t1
+ seconds(1));
50 VERIFY(t2
.time_since_epoch() == t1
.time_since_epoch() + seconds(1));
52 time_point
<system_clock
> t3(seconds(1) + t1
);
53 VERIFY(t3
.time_since_epoch() == t1
.time_since_epoch() + seconds(1));
55 time_point
<system_clock
> t4(seconds(1));
56 time_point
<system_clock
> t5(seconds(2));
58 time_point
<system_clock
> t6(t5
- seconds(1));
59 VERIFY(t6
.time_since_epoch() == t4
.time_since_epoch());
61 time_point
<system_clock
> t7(t5
- t4
);
62 VERIFY(t7
.time_since_epoch() == t4
.time_since_epoch());