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 value = 99; 31 32void test01() 33{ 34 bool test __attribute__((unused)) = true; 35 36 std::promise<int> p1; 37 const std::shared_future<int> f1(p1.get_future()); 38 std::shared_future<int> f2(f1); 39 40 p1.set_value(value); 41 VERIFY( f1.get() == value ); 42 VERIFY( f2.get() == value ); 43} 44 45void test02() 46{ 47 bool test __attribute__((unused)) = true; 48 49 std::promise<int&> p1; 50 const std::shared_future<int&> f1(p1.get_future()); 51 std::shared_future<int&> f2(f1); 52 53 p1.set_value(value); 54 VERIFY( &f1.get() == &value ); 55 VERIFY( &f2.get() == &value ); 56} 57 58void test03() 59{ 60 bool test __attribute__((unused)) = true; 61 62 std::promise<void> p1; 63 const std::shared_future<void> f1(p1.get_future()); 64 std::shared_future<void> f2(f1); 65 66 p1.set_value(); 67 f1.get(); 68 f2.get(); 69} 70 71int main() 72{ 73 test01(); 74 test02(); 75 test03(); 76 77 return 0; 78} 79