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 <chrono>
29#include <testsuite_hooks.h>
30
31void test01()
32{
33  bool test __attribute__((unused)) = true;
34
35  std::promise<int> p1;
36  std::shared_future<int> f1(p1.get_future());
37  std::shared_future<int> f2(f1);
38
39  std::chrono::milliseconds delay(100);
40
41  VERIFY( f1.wait_for(delay) == std::future_status::timeout );
42  VERIFY( f2.wait_for(delay) == std::future_status::timeout );
43
44  p1.set_value(1);
45
46  auto before = std::chrono::system_clock::now();
47  VERIFY( f1.wait_for(delay) == std::future_status::ready );
48  VERIFY( f2.wait_for(delay) == std::future_status::ready );
49  VERIFY( std::chrono::system_clock::now() < (before + 2*delay) );
50}
51
52int main()
53{
54  test01();
55  return 0;
56}
57