thread/test/sync/futures/shared_future/copy_assign_pass.cpp
2017-09-17 08:51:10 -04:00

86 lines
1.9 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Copyright (C) 2011 Vicente J. Botet Escriba
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// <boost/thread/future.hpp>
// class shared_future<R>
// shared_future& operator=(const shared_future&);
#define BOOST_THREAD_VERSION 3
#include <boost/thread/future.hpp>
#include <boost/detail/lightweight_test.hpp>
int main()
{
{
typedef int T;
boost::promise<T> p;
boost::shared_future<T> f0((p.get_future()));
boost::shared_future<T> f;
f = f0;
BOOST_TEST(f0.valid());
BOOST_TEST(f.valid());
}
{
typedef int T;
boost::shared_future<T> f0;
boost::shared_future<T> f;
f = f0;
BOOST_TEST(!f0.valid());
BOOST_TEST(!f.valid());
}
{
typedef int& T;
boost::promise<T> p;
boost::shared_future<T> f0((p.get_future()));
boost::shared_future<T> f;
f = f0;
BOOST_TEST(f0.valid());
BOOST_TEST(f.valid());
}
{
typedef int& T;
boost::shared_future<T> f0;
boost::shared_future<T> f;
f = f0;
BOOST_TEST(!f0.valid());
BOOST_TEST(!f.valid());
}
{
typedef void T;
boost::promise<T> p;
boost::shared_future<T> f0((p.get_future()));
boost::shared_future<T> f;
f = f0;
BOOST_TEST(f0.valid());
BOOST_TEST(f.valid());
}
{
typedef void T;
boost::shared_future<T> f0;
boost::shared_future<T> f;
f = f0;
BOOST_TEST(!f0.valid());
BOOST_TEST(!f.valid());
}
return boost::report_errors();
}
//#include "../../../remove_error_code_unused_warning.hpp"