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// { dg-do run }
// { dg-options "-pthread" }
// { dg-require-effective-target c++11 }
// { dg-require-effective-target pthread }
// { dg-require-gthreads "" }
// Copyright (C) 2010-2018 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>
void test01()
{
std::shared_future<int> f0;
VERIFY( !f0.valid() );
std::promise<int> p1;
std::shared_future<int> f1(p1.get_future());
std::shared_future<int> f2(f1);
VERIFY( f1.valid() );
VERIFY( f2.valid() );
p1.set_value(1);
VERIFY( f1.valid() );
VERIFY( f2.valid() );
f1 = std::move(f0);
VERIFY( !f0.valid() );
VERIFY( !f1.valid() );
VERIFY( f2.valid() );
}
int main()
{
test01();
return 0;
}
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