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52066eae | 1 | // { dg-do run { target c++11 } } |
15e38d0d | 2 | |
99dee823 | 3 | // Copyright (C) 2008-2021 Free Software Foundation, Inc. |
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4 | // |
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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
15e38d0d CF |
9 | // any later version. |
10 | ||
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. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
15e38d0d CF |
19 | |
20 | // 20.8.4 Class template time_point [time.point] | |
21 | ||
22 | #include <chrono> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | // 20.8.4.3 time_point arithmetic [time.point.arithmetic] | |
26 | void | |
27 | test01() | |
28 | { | |
15e38d0d CF |
29 | using namespace std::chrono; |
30 | ||
31 | time_point<system_clock> t1, t2; | |
32 | t1 += seconds(1); | |
33 | VERIFY(t2.time_since_epoch() + seconds(1) == t1.time_since_epoch()); | |
34 | ||
35 | t1 -= std::chrono::seconds(1); | |
36 | VERIFY(t2.time_since_epoch() == t1.time_since_epoch()); | |
37 | } | |
38 | ||
39 | // 20.8.4.5 time_point non-member arithmetic [time.point.nonmember] | |
40 | void | |
41 | test02() | |
42 | { | |
15e38d0d CF |
43 | using namespace std::chrono; |
44 | ||
45 | time_point<system_clock> t1; | |
46 | time_point<system_clock> t2(t1 + seconds(1)); | |
47 | VERIFY(t2.time_since_epoch() == t1.time_since_epoch() + seconds(1)); | |
48 | ||
49 | time_point<system_clock> t3(seconds(1) + t1); | |
50 | VERIFY(t3.time_since_epoch() == t1.time_since_epoch() + seconds(1)); | |
51 | ||
52 | time_point<system_clock> t4(seconds(1)); | |
53 | time_point<system_clock> t5(seconds(2)); | |
54 | ||
55 | time_point<system_clock> t6(t5 - seconds(1)); | |
56 | VERIFY(t6.time_since_epoch() == t4.time_since_epoch()); | |
57 | ||
58 | time_point<system_clock> t7(t5 - t4); | |
59 | VERIFY(t7.time_since_epoch() == t4.time_since_epoch()); | |
60 | } | |
61 | ||
62 | int | |
63 | main() | |
64 | { | |
65 | test01(); | |
66 | test02(); | |
67 | return 0; | |
68 | } |