1 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-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 *-*-rtems* *-*-darwin* } }
5 // { dg-require-cstdint "" }
6 // { dg-require-gthreads "" }
7 // { dg-require-atomic-builtins "" }
8 
9 // Copyright (C) 2009-2016 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 
make_time(int i)31 std::chrono::system_clock::time_point make_time(int i)
32 {
33   return std::chrono::system_clock::now() + std::chrono::milliseconds(i);
34 }
35 
test01()36 void test01()
37 {
38   bool test __attribute__((unused)) = true;
39 
40   std::promise<int> p1;
41   std::future<int> f1(p1.get_future());
42 
43   auto when = make_time(10);
44   VERIFY( f1.wait_until(when) == std::future_status::timeout );
45   VERIFY( std::chrono::system_clock::now() >= when );
46 
47   p1.set_value(1);
48 
49   when = make_time(100);
50   VERIFY( f1.wait_until(when) == std::future_status::ready );
51   VERIFY( std::chrono::system_clock::now() < when );
52 }
53 
main()54 int main()
55 {
56   test01();
57   return 0;
58 }
59