1// { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
2// { dg-options " -std=gnu++11 -pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } }
3// { dg-options " -std=gnu++11 -pthreads" { target *-*-solaris* } }
4// { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-darwin* } }
5// { dg-require-cstdint "" }
6// { dg-require-gthreads "" }
7// { dg-require-atomic-builtins "" }
8
9// Copyright (C) 2009-2015 Free Software Foundation, Inc.
10//
11// This file is part of the GNU ISO C++ Library.  This library is free
12// software; you can redistribute it and/or modify it under the
13// terms of the GNU General Public License as published by the
14// Free Software Foundation; either version 3, or (at your option)
15// any later version.
16
17// This library is distributed in the hope that it will be useful,
18// but WITHOUT ANY WARRANTY; without even the implied warranty of
19// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20// GNU General Public License for more details.
21
22// You should have received a copy of the GNU General Public License along
23// with this library; see the file COPYING3.  If not see
24// <http://www.gnu.org/licenses/>.
25
26
27#include <future>
28#include <testsuite_hooks.h>
29
30int zero() { return 0; }
31
32void test01()
33{
34  bool test __attribute__((unused)) = true;
35
36  std::packaged_task<int()> p1(zero);
37  std::packaged_task<int()> p2;
38  VERIFY( p1.valid() );
39  VERIFY( !p2.valid() );
40  p1.swap(p2);
41  VERIFY( !p1.valid() );
42  VERIFY( p2.valid() );
43}
44
45int main()
46{
47  test01();
48  return 0;
49}
50