65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// Copyright (C) 2011 Vicente J. Botet Escriba
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// <boost/thread/future.hpp>
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// class promise<R>
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// future<R> get_future();
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#define BOOST_THREAD_VERSION 3
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#include <boost/thread/future.hpp>
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#include <boost/detail/lightweight_test.hpp>
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int main()
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{
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{
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boost::promise<double> p;
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boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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p.set_value(105.5);
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BOOST_TEST(f.get() == 105.5);
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}
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{
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boost::promise<double> p;
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boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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try
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{
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f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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BOOST_TEST(false);
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}
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catch (const boost::future_error& e)
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{
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BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::future_already_retrieved));
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}
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}
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{
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boost::promise<double> p;
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boost::promise<double> p0 = boost::move(p);
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try
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{
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boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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BOOST_TEST(false);
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}
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catch (const boost::future_error& e)
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{
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BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::no_state));
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}
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}
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return boost::report_errors();
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}
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