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// { dg-do run }
// { dg-options "-pthread" }
// { dg-require-effective-target c++11 }
// { dg-require-effective-target pthread }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// Copyright (C) 2010-2017 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()
{
using namespace std;
int a = 1;
int b = 10;
int c = 100;
future<int> f1 = async(launch::async|launch::deferred, sum(), a, ref(b), cref(c));
future<int> f2 = async(sum(), a, ref(b), cref(c));
VERIFY( f1.valid() );
VERIFY( f2.valid() );
int r1 = f1.get();
int r2 = f2.get();
VERIFY( r1 == r2 );
}
int main()
{
test01();
return 0;
}
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