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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) 2009-2018 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>
int& inc(int& i) { ++i; return i; }
void test01()
{
bool test = false;
std::packaged_task<void(int&)> p1(inc);
int i1 = 0;
p1(i1);
VERIFY( i1 == 1 );
try
{
p1(i1);
}
catch (const std::future_error& e)
{
VERIFY( e.code() == std::future_errc::promise_already_satisfied );
test = true;
}
VERIFY( i1 == 1 );
VERIFY( test );
}
int main()
{
test01();
return 0;
}
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