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// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } }
// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2010-2013 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <future>
#include <testsuite_hooks.h>
struct sum {
typedef int result_type;
int operator()(int i, int& j, const int& k) { return i + j + k; }
};
void test01()
{
bool test __attribute__((unused)) = true;
using namespace std;
int a = 1;
int b = 1;
int c = 1;
future<int> f1 = async(launch::deferred, sum(), a, ref(b), cref(c));
a = 0;
b = 10;
c = 100;
const std::chrono::seconds delay(10);
const auto then = std::chrono::system_clock::now() + delay;
VERIFY( f1.valid() );
// timed waiting functions should return 'deferred' immediately
VERIFY( f1.wait_until(then) == std::future_status::deferred );
VERIFY( f1.wait_for(delay) == std::future_status::deferred );
VERIFY( std::chrono::system_clock::now() < then );
f1.wait();
VERIFY( f1.valid() );
// timed waiting functions should return 'ready' immediately
VERIFY( f1.wait_until(then) == std::future_status::ready );
VERIFY( f1.wait_for(delay) == std::future_status::ready );
VERIFY( std::chrono::system_clock::now() < then );
VERIFY( f1.get() == 111 );
VERIFY( !f1.valid() );
}
int main()
{
test01();
return 0;
}
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