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// Copyright (C) 2007-8 Anthony Williams
//
// 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)
#define BOOST_THREAD_VERSION 2
#define BOOST_TEST_MODULE Boost.Threads: condition_variable test suite
#include <boost/thread/detail/config.hpp>
#include <boost/thread/condition.hpp>
#include <boost/thread/thread_only.hpp>
#include <boost/test/unit_test.hpp>
#include "./util.inl"
bool fake_predicate()
{
return false;
}
unsigned const timeout_seconds=2;
unsigned const timeout_grace=1;
boost::posix_time::milliseconds const timeout_resolution(100);
void do_test_timed_wait_times_out()
{
boost::condition_variable cond;
boost::mutex m;
boost::posix_time::seconds const delay(timeout_seconds);
boost::unique_lock<boost::mutex> lock(m);
boost::system_time const start=boost::get_system_time();
boost::system_time const timeout=start+delay;
while(cond.timed_wait(lock,timeout)) {}
boost::system_time const end=boost::get_system_time();
BOOST_CHECK((delay-timeout_resolution)<=(end-start));
}
void do_test_timed_wait_with_predicate_times_out()
{
boost::condition_variable cond;
boost::mutex m;
boost::posix_time::seconds const delay(timeout_seconds);
boost::unique_lock<boost::mutex> lock(m);
boost::system_time const start=boost::get_system_time();
boost::system_time const timeout=start+delay;
bool const res=cond.timed_wait(lock,timeout,fake_predicate);
boost::system_time const end=boost::get_system_time();
BOOST_CHECK(!res);
BOOST_CHECK((delay-timeout_resolution)<=(end-start));
}
void do_test_relative_timed_wait_with_predicate_times_out()
{
boost::condition_variable cond;
boost::mutex m;
boost::posix_time::seconds const delay(timeout_seconds);
boost::unique_lock<boost::mutex> lock(m);
boost::system_time const start=boost::get_system_time();
bool const res=cond.timed_wait(lock,delay,fake_predicate);
boost::system_time const end=boost::get_system_time();
BOOST_CHECK(!res);
BOOST_CHECK((delay-timeout_resolution)<=(end-start));
}
void do_test_timed_wait_relative_times_out()
{
boost::condition_variable cond;
boost::mutex m;
boost::posix_time::seconds const delay(timeout_seconds);
boost::unique_lock<boost::mutex> lock(m);
boost::system_time const start=boost::get_system_time();
while(cond.timed_wait(lock,delay)) {}
boost::system_time const end=boost::get_system_time();
BOOST_CHECK((delay-timeout_resolution)<=(end-start));
}
void do_test_cv_any_timed_wait_times_out()
{
boost::condition_variable_any cond;
boost::mutex m;
boost::posix_time::seconds const delay(timeout_seconds);
boost::unique_lock<boost::mutex> lock(m);
boost::system_time const start=boost::get_system_time();
boost::system_time const timeout=start+delay;
while(cond.timed_wait(lock,timeout)) {}
boost::system_time const end=boost::get_system_time();
BOOST_CHECK((delay-timeout_resolution)<=(end-start));
}
void do_test_cv_any_timed_wait_with_predicate_times_out()
{
boost::condition_variable_any cond;
boost::mutex m;
boost::posix_time::seconds const delay(timeout_seconds);
boost::unique_lock<boost::mutex> lock(m);
boost::system_time const start=boost::get_system_time();
boost::system_time const timeout=start+delay;
bool const res=cond.timed_wait(lock,timeout,fake_predicate);
boost::system_time const end=boost::get_system_time();
BOOST_CHECK(!res);
BOOST_CHECK((delay-timeout_resolution)<=(end-start));
}
void do_test_cv_any_relative_timed_wait_with_predicate_times_out()
{
boost::condition_variable_any cond;
boost::mutex m;
boost::posix_time::seconds const delay(timeout_seconds);
boost::unique_lock<boost::mutex> lock(m);
boost::system_time const start=boost::get_system_time();
bool const res=cond.timed_wait(lock,delay,fake_predicate);
boost::system_time const end=boost::get_system_time();
BOOST_CHECK(!res);
BOOST_CHECK((delay-timeout_resolution)<=(end-start));
}
void do_test_cv_any_timed_wait_relative_times_out()
{
boost::condition_variable_any cond;
boost::mutex m;
boost::posix_time::seconds const delay(timeout_seconds);
boost::unique_lock<boost::mutex> lock(m);
boost::system_time const start=boost::get_system_time();
while(cond.timed_wait(lock,delay)) {}
boost::system_time const end=boost::get_system_time();
BOOST_CHECK((delay-timeout_resolution)<=(end-start));
}
BOOST_AUTO_TEST_CASE(test_timed_wait_times_out)
{
timed_test(&do_test_timed_wait_times_out, timeout_seconds+timeout_grace, execution_monitor::use_mutex);
timed_test(&do_test_timed_wait_with_predicate_times_out, timeout_seconds+timeout_grace, execution_monitor::use_mutex);
timed_test(&do_test_relative_timed_wait_with_predicate_times_out, timeout_seconds+timeout_grace, execution_monitor::use_mutex);
timed_test(&do_test_timed_wait_relative_times_out, timeout_seconds+timeout_grace, execution_monitor::use_mutex);
timed_test(&do_test_cv_any_timed_wait_times_out, timeout_seconds+timeout_grace, execution_monitor::use_mutex);
timed_test(&do_test_cv_any_timed_wait_with_predicate_times_out, timeout_seconds+timeout_grace, execution_monitor::use_mutex);
timed_test(&do_test_cv_any_relative_timed_wait_with_predicate_times_out, timeout_seconds+timeout_grace, execution_monitor::use_mutex);
timed_test(&do_test_cv_any_timed_wait_relative_times_out, timeout_seconds+timeout_grace, execution_monitor::use_mutex);
}
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