133 lines
2.9 KiB
C++
133 lines
2.9 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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// void promise<R&>::set_value(R& r);
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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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#include <boost/static_assert.hpp>
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int main()
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{
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{
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typedef int& T;
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int i = 3;
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boost::promise<T> p;
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boost::future<T> f = p.get_future();
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p.set_value(i);
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int& j = f.get();
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BOOST_TEST(j == 3);
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++i;
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BOOST_TEST(j == 4);
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try
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{
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p.set_value(i);
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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::promise_already_satisfied));
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}
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catch (...)
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{
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BOOST_TEST(false);
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}
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}
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{
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typedef int& T;
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int i = 3;
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boost::promise<T> p;
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boost::future<T> f = p.get_future();
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p.set_value(i);
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int& j = f.get();
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BOOST_TEST(j == 3);
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++i;
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BOOST_TEST(j == 4);
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try
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{
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p.set_value_deferred(i);
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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::promise_already_satisfied));
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}
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catch (...)
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{
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BOOST_TEST(false);
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}
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}
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{
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typedef int& T;
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int i = 3;
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boost::promise<T> p;
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boost::future<T> f = p.get_future();
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p.set_value_deferred(i);
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BOOST_TEST(!f.is_ready());
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p.notify_deferred();
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int& j = f.get();
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BOOST_TEST(j == 3);
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++i;
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BOOST_TEST(j == 4);
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try
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{
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p.set_value_deferred(i);
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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::promise_already_satisfied));
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}
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catch (...)
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{
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BOOST_TEST(false);
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}
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}
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{
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typedef int& T;
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int i = 3;
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boost::promise<T> p;
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boost::future<T> f = p.get_future();
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p.set_value_deferred(i);
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BOOST_TEST(!f.is_ready());
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p.notify_deferred();
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int& j = f.get();
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BOOST_TEST(j == 3);
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++i;
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BOOST_TEST(j == 4);
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try
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{
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p.set_value(i);
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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::promise_already_satisfied));
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}
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catch (...)
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{
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BOOST_TEST(false);
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}
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}
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return boost::report_errors();
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}
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