thread/test/sync/futures/future/share_pass.cpp

85 lines
2.2 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 future<R>
// shared_future<R> share() &&;
#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::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
boost::shared_future<T> sf = f0.share();
boost::shared_future<T> f = sf;
BOOST_TEST(!f0.valid());
BOOST_TEST(f.valid());
}
{
typedef int T;
boost::future<T> f0;
boost::shared_future<T> sf = f0.share();
boost::shared_future<T> f = sf;
BOOST_TEST(!f0.valid());
BOOST_TEST(!f.valid());
}
{
typedef int& T;
boost::promise<T> p;
boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
boost::shared_future<T> sf = f0.share();
boost::shared_future<T> f = sf;
BOOST_TEST(!f0.valid());
BOOST_TEST(f.valid());
}
{
typedef int& T;
boost::future<T> f0;
boost::shared_future<T> sf = f0.share();
boost::shared_future<T> f = sf;
BOOST_TEST(!f0.valid());
BOOST_TEST(!f.valid());
}
{
typedef void T;
boost::promise<T> p;
boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
boost::shared_future<T> sf = f0.share();
boost::shared_future<T> f = sf;
BOOST_TEST(!f0.valid());
BOOST_TEST(f.valid());
}
{
typedef void T;
boost::future<T> f0;
boost::shared_future<T> sf = f0.share();
boost::shared_future<T> f = sf;
BOOST_TEST(!f0.valid());
BOOST_TEST(!f.valid());
}
return boost::report_errors();
}