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91004436 JW |
1 | // { dg-do run } |
2 | // { dg-additional-options "-pthread" { target pthread } } | |
3 | // { dg-require-effective-target c++11 } | |
4 | // { dg-require-gthreads "" } | |
5 | ||
99dee823 | 6 | // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
91004436 JW |
7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
12 | // any later version. | |
13 | ||
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | ||
19 | // You should have received a copy of the GNU General Public License along | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | ||
24 | #include <future> | |
5e6a4315 | 25 | #include <thread> |
91004436 JW |
26 | #include <chrono> |
27 | #include <climits> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | namespace chrono = std::chrono; | |
31 | ||
32 | void test01() | |
33 | { | |
34 | std::future<void> fut = std::async(std::launch::async, [] { | |
35 | std::this_thread::sleep_for(chrono::seconds(4)); | |
36 | }); | |
37 | ||
38 | // A time in the distant future, but which overflows 32-bit time_t: | |
39 | auto then = chrono::system_clock::now() + chrono::seconds(UINT_MAX + 2LL); | |
40 | auto status = fut.wait_until(then); | |
41 | // The wait_until call should have waited for the result to be ready. | |
42 | // If converting the time_point to time_t overflows, it will timeout. | |
43 | VERIFY(status == std::future_status::ready); | |
44 | } | |
45 | ||
46 | int main() | |
47 | { | |
48 | test01(); | |
49 | } |