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1 | // { dg-do run } | |
2 | // { dg-options "-pthread" } | |
3 | // { dg-require-effective-target c++11 } | |
4 | // { dg-require-effective-target pthread } | |
5 | // { dg-require-gthreads "" } | |
6 | ||
7 | // Copyright (C) 2009-2020 Free Software Foundation, Inc. | |
8 | // | |
9 | // This file is part of the GNU ISO C++ Library. This library is free | |
10 | // software; you can redistribute it and/or modify it under the | |
11 | // terms of the GNU General Public License as published by the | |
12 | // Free Software Foundation; either version 3, or (at your option) | |
13 | // any later version. | |
14 | ||
15 | // This library is distributed in the hope that it will be useful, | |
16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | // GNU General Public License for more details. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License along | |
21 | // with this library; see the file COPYING3. If not see | |
22 | // <http://www.gnu.org/licenses/>. | |
23 | ||
24 | ||
25 | #include <future> | |
26 | #include <chrono> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | std::chrono::system_clock::time_point make_time(int i) | |
30 | { | |
31 | return std::chrono::system_clock::now() + std::chrono::milliseconds(i); | |
32 | } | |
33 | ||
34 | void test01() | |
35 | { | |
36 | std::promise<int> p1; | |
37 | std::shared_future<int> f1(p1.get_future()); | |
38 | std::shared_future<int> f2(f1); | |
39 | ||
40 | auto when = make_time(10); | |
41 | VERIFY( f1.wait_until(make_time(10)) == std::future_status::timeout ); | |
42 | VERIFY( std::chrono::system_clock::now() >= when ); | |
43 | ||
44 | when = make_time(10); | |
45 | VERIFY( f2.wait_until(make_time(10)) == std::future_status::timeout ); | |
46 | VERIFY( std::chrono::system_clock::now() >= when ); | |
47 | ||
48 | p1.set_value(1); | |
49 | ||
50 | when = make_time(100); | |
51 | VERIFY( f1.wait_until(when) == std::future_status::ready ); | |
52 | VERIFY( f2.wait_until(when) == std::future_status::ready ); | |
53 | VERIFY( std::chrono::system_clock::now() < when ); | |
54 | } | |
55 | ||
56 | int main() | |
57 | { | |
58 | test01(); | |
59 | return 0; | |
60 | } |