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// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
// { 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 Free Software Foundation
//
// 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/>.
// 30.6.6 Class template future [futures.unique_future]
#include <future>
#include <testsuite_hooks.h>
// This test verifies behaviour which is encouraged by a non-normative note,
// but not required.
void
test01()
{
bool test __attribute__((unused)) = true;
std::promise<int> p;
std::future<int> f = p.get_future();
p.set_value(0);
f.get();
try
{
f.get();
VERIFY( false );
}
catch (std::future_error& e)
{
VERIFY( e.code() == std::future_errc::no_state );
}
}
void
test02()
{
bool test __attribute__((unused)) = true;
std::promise<int&> p;
std::future<int&> f = p.get_future();
int i = 0;
p.set_value(i);
f.get();
try
{
f.get();
VERIFY( false );
}
catch (std::future_error& e)
{
VERIFY( e.code() == std::future_errc::no_state );
}
}
void
test03()
{
bool test __attribute__((unused)) = true;
std::promise<void> p;
std::future<void> f = p.get_future();
p.set_value();
f.get();
try
{
f.get();
VERIFY( false );
}
catch (std::future_error& e)
{
VERIFY( e.code() == std::future_errc::no_state );
}
}
int main()
{
test01();
test02();
test03();
return 0;
}
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