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37d13ae6 | 1 | // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* powerpc-ibm-aix* } } |
71c54f8e JW |
2 | // { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* powerpc-ibm-aix* } } |
3 | // { dg-require-effective-target c++11 } | |
c910ceff JW |
4 | // { dg-require-cstdint "" } |
5 | // { dg-require-gthreads "" } | |
6 | // { dg-require-atomic-builtins "" } | |
7 | ||
818ab71a | 8 | // Copyright (C) 2009-2016 Free Software Foundation, Inc. |
c910ceff JW |
9 | // |
10 | // This file is part of the GNU ISO C++ Library. This library is free | |
11 | // software; you can redistribute it and/or modify it under the | |
12 | // terms of the GNU General Public License as published by the | |
13 | // Free Software Foundation; either version 3, or (at your option) | |
14 | // any later version. | |
15 | ||
16 | // This library is distributed in the hope that it will be useful, | |
17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | // GNU General Public License for more details. | |
20 | ||
21 | // You should have received a copy of the GNU General Public License along | |
22 | // with this library; see the file COPYING3. If not see | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
25 | ||
26 | #include <future> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | int& inc(int& i) { return ++i; } | |
30 | ||
31 | void test01() | |
32 | { | |
33 | bool test __attribute__((unused)) = true; | |
34 | ||
35 | std::packaged_task<int&(int&)> p1(inc); | |
b3eed6fe | 36 | std::future<int&> f1 = p1.get_future(); |
c910ceff | 37 | |
488b3e65 | 38 | std::chrono::milliseconds delay(1); |
b3eed6fe | 39 | VERIFY( f1.valid() ); |
488b3e65 | 40 | VERIFY( f1.wait_for(delay) == std::future_status::timeout ); |
c910ceff JW |
41 | |
42 | int i1 = 0; | |
43 | ||
44 | p1(i1); | |
45 | ||
46 | int& i2 = f1.get(); | |
47 | ||
48 | VERIFY( &i1 == &i2 ); | |
49 | VERIFY( i1 == 1 ); | |
50 | } | |
51 | ||
52 | int main() | |
53 | { | |
54 | test01(); | |
55 | return 0; | |
56 | } |