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// Copyright (C) 2013 Tim Blechmann
//
// 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)
#include <boost/core/lightweight_test.hpp>
#include <boost/bind.hpp>
#include <boost/chrono.hpp>
#include <boost/thread/thread.hpp>
#include <boost/sync/events.hpp>
#include <boost/sync/support/boost_chrono.hpp>
#include <boost/typeof/typeof.hpp>
void test_event_post_wait()
{
boost::sync::manual_reset_event ev;
ev.set();
ev.wait();
BOOST_TEST( ev.try_wait() == true );
ev.reset();
BOOST_TEST( ev.try_wait() == false );
}
void test_event_post_try_wait()
{
boost::sync::manual_reset_event ev;
BOOST_TEST( ev.try_wait() == false );
ev.set();
BOOST_TEST( ev.try_wait() == true );
}
void test_event_post_wait_autoreset()
{
boost::sync::auto_reset_event ev;
ev.post();
BOOST_TEST( ev.try_wait() == true );
BOOST_TEST( ev.try_wait() == false );
}
void test_event_reset()
{
boost::sync::manual_reset_event ev;
BOOST_TEST( ev.try_wait() == false );
ev.set();
BOOST_TEST( ev.try_wait() == true );
ev.reset();
BOOST_TEST( ev.try_wait() == false );
}
inline void post_event(boost::sync::manual_reset_event& evt)
{
evt.set();
}
inline void post_event(boost::sync::auto_reset_event& evt)
{
evt.post();
}
template <typename EventType>
struct event_wait_and_post_test
{
void run()
{
boost::thread post_thread(boost::bind(&event_wait_and_post_test::wait_and_post, this));
ev_.wait();
}
void wait_and_post()
{
boost::this_thread::sleep_for(boost::chrono::seconds(1));
(post_event)(ev_);
}
EventType ev_;
boost::thread thread_;
};
void test_event_wait_and_post()
{
event_wait_and_post_test<boost::sync::manual_reset_event> test;
test.run();
}
void test_event_wait_and_post_autoreset()
{
event_wait_and_post_test<boost::sync::auto_reset_event> test;
test.run();
}
void test_event_wait_for()
{
using namespace boost;
boost::sync::manual_reset_event ev;
BOOST_AUTO(start, chrono::system_clock::now());
BOOST_TEST( ev.try_wait() == false );
BOOST_TEST(!ev.wait_for(chrono::milliseconds(500)));
BOOST_TEST( ev.try_wait() == false );
BOOST_AUTO(end, chrono::system_clock::now());
BOOST_AUTO(wait_time, end - start);
// guessing!
BOOST_TEST( wait_time > chrono::milliseconds(450) );
BOOST_TEST( wait_time < chrono::milliseconds(1000) );
ev.set();
BOOST_TEST(ev.wait_for(chrono::milliseconds(500)));
}
void test_event_wait_until()
{
using namespace boost;
boost::sync::manual_reset_event ev;
{
BOOST_AUTO(now, chrono::system_clock::now());
BOOST_AUTO(timeout, now + chrono::milliseconds(500));
BOOST_TEST(!ev.wait_until(timeout));
BOOST_AUTO(end, chrono::system_clock::now());
BOOST_AUTO(timeout_delta, end - timeout);
// guessing!
BOOST_TEST( timeout_delta > chrono::milliseconds(-400) );
BOOST_TEST( timeout_delta < chrono::milliseconds(400) );
}
ev.set();
{
BOOST_AUTO(start, chrono::system_clock::now());
BOOST_AUTO(timeout, start + chrono::milliseconds(500));
BOOST_TEST(ev.wait_until(timeout));
BOOST_AUTO(end, chrono::system_clock::now());
// guessing!
BOOST_TEST( (end - start) < chrono::milliseconds(100) );
}
}
int main()
{
test_event_post_wait();
test_event_post_try_wait();
test_event_post_wait_autoreset();
test_event_reset();
test_event_wait_and_post();
test_event_wait_and_post_autoreset();
test_event_wait_for();
test_event_wait_until();
return boost::report_errors();
}
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