1 // { dg-do run }
2 // { dg-additional-options "-pthread" { target pthread } }
3 // { dg-require-effective-target c++11 }
4 // { dg-require-gthreads "" }
5
6 // Copyright (C) 2009-2021 Free Software Foundation, Inc.
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
odd(unsigned i)27 bool odd(unsigned i) { return i%2; }
28
test01()29 void test01()
30 {
31 bool test = false;
32
33 std::packaged_task<bool(unsigned)> p1(odd);
34
35 p1(5);
36
37 try
38 {
39 p1(4);
40 }
41 catch (const std::future_error& e)
42 {
43 VERIFY( e.code() == std::future_errc::promise_already_satisfied );
44 test = true;
45 }
46
47 VERIFY( test );
48 }
49
main()50 int main()
51 {
52 test01();
53 return 0;
54 }
55