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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) 2010-2021 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 | ||
b3eed6fe JW |
27 | struct sum { |
28 | typedef int result_type; | |
29 | int operator()(int i, int& j, const int& k) { return i + j + k; } | |
30 | }; | |
31 | ||
c910ceff JW |
32 | void test01() |
33 | { | |
b3eed6fe | 34 | using namespace std; |
c910ceff | 35 | |
b3eed6fe JW |
36 | int a = 1; |
37 | int b = 10; | |
38 | int c = 100; | |
faa00511 | 39 | future<int> f1 = async(launch::async|launch::deferred, sum(), a, ref(b), cref(c)); |
b3eed6fe | 40 | future<int> f2 = async(sum(), a, ref(b), cref(c)); |
c910ceff | 41 | |
b3eed6fe JW |
42 | VERIFY( f1.valid() ); |
43 | VERIFY( f2.valid() ); | |
44 | int r1 = f1.get(); | |
45 | int r2 = f2.get(); | |
46 | VERIFY( r1 == r2 ); | |
c910ceff JW |
47 | } |
48 | ||
49 | int main() | |
50 | { | |
51 | test01(); | |
52 | return 0; | |
53 | } |