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- //===----------------------------------------------------------------------===//
- //
- // 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 promise<R>
- // void promise<R&>::set_value(R& r);
- #define BOOST_THREAD_VERSION 3
- #include <boost/thread/future.hpp>
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/static_assert.hpp>
- int main()
- {
- {
- typedef int& T;
- int i = 3;
- boost::promise<T> p;
- boost::future<T> f = p.get_future();
- p.set_value(i);
- int& j = f.get();
- BOOST_TEST(j == 3);
- ++i;
- BOOST_TEST(j == 4);
- try
- {
- p.set_value(i);
- BOOST_TEST(false);
- }
- catch (const boost::future_error& e)
- {
- BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
- }
- catch (...)
- {
- BOOST_TEST(false);
- }
- }
- {
- typedef int& T;
- int i = 3;
- boost::promise<T> p;
- boost::future<T> f = p.get_future();
- p.set_value(i);
- int& j = f.get();
- BOOST_TEST(j == 3);
- ++i;
- BOOST_TEST(j == 4);
- try
- {
- p.set_value_deferred(i);
- BOOST_TEST(false);
- }
- catch (const boost::future_error& e)
- {
- BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
- }
- catch (...)
- {
- BOOST_TEST(false);
- }
- }
- {
- typedef int& T;
- int i = 3;
- boost::promise<T> p;
- boost::future<T> f = p.get_future();
- p.set_value_deferred(i);
- BOOST_TEST(!f.is_ready());
- p.notify_deferred();
- int& j = f.get();
- BOOST_TEST(j == 3);
- ++i;
- BOOST_TEST(j == 4);
- try
- {
- p.set_value_deferred(i);
- BOOST_TEST(false);
- }
- catch (const boost::future_error& e)
- {
- BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
- }
- catch (...)
- {
- BOOST_TEST(false);
- }
- }
- {
- typedef int& T;
- int i = 3;
- boost::promise<T> p;
- boost::future<T> f = p.get_future();
- p.set_value_deferred(i);
- BOOST_TEST(!f.is_ready());
- p.notify_deferred();
- int& j = f.get();
- BOOST_TEST(j == 3);
- ++i;
- BOOST_TEST(j == 4);
- try
- {
- p.set_value(i);
- BOOST_TEST(false);
- }
- catch (const boost::future_error& e)
- {
- BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
- }
- catch (...)
- {
- BOOST_TEST(false);
- }
- }
- return boost::report_errors();
- }
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