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d1236680 | 1 | // { dg-do run } |
1e42d2f4 | 2 | // { dg-additional-options "-pthread" { target pthread } } |
71c54f8e | 3 | // { dg-require-effective-target c++11 } |
c910ceff | 4 | // { dg-require-gthreads "" } |
c910ceff | 5 | |
99dee823 | 6 | // Copyright (C) 2009-2021 Free Software Foundation, Inc. |
c910ceff 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> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
27 | int& inc(int& i) { ++i; return i; } | |
28 | ||
29 | void test01() | |
30 | { | |
31 | bool test = false; | |
32 | ||
33 | std::packaged_task<void(int&)> p1(inc); | |
34 | ||
35 | int i1 = 0; | |
36 | p1(i1); | |
37 | ||
38 | VERIFY( i1 == 1 ); | |
39 | ||
40 | try | |
41 | { | |
42 | p1(i1); | |
43 | } | |
b3eed6fe | 44 | catch (const std::future_error& e) |
c910ceff | 45 | { |
b3eed6fe | 46 | VERIFY( e.code() == std::future_errc::promise_already_satisfied ); |
c910ceff JW |
47 | test = true; |
48 | } | |
49 | ||
50 | VERIFY( i1 == 1 ); | |
51 | VERIFY( test ); | |
52 | } | |
53 | ||
54 | int main() | |
55 | { | |
56 | test01(); | |
57 | return 0; | |
58 | } |