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Copy pathtest_mutex.cpp
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348 lines (284 loc) · 9.11 KB
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// Copyright (C) 2001-2003
// William E. Kempf
//
// 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: mutex test suite
#include <boost/thread/detail/config.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/lock_types.hpp>
#include <boost/thread/thread_only.hpp>
#include <boost/thread/recursive_mutex.hpp>
#include <boost/thread/thread_time.hpp>
#include <boost/thread/condition.hpp>
#include <boost/bind/bind.hpp>
#define BOOST_TEST_MODULE Boost.Threads: mutex test suite
#include <boost/test/unit_test.hpp>
#define DEFAULT_EXECUTION_MONITOR_TYPE execution_monitor::use_sleep_only
#include "./util.inl"
const unsigned int max_wait_attempts = 10u;
template <typename M>
struct test_lock
{
typedef M mutex_type;
typedef typename M::scoped_lock lock_type;
void operator()()
{
mutex_type mutex;
boost::condition condition;
// Test the lock's constructors.
{
lock_type lock(mutex, boost::defer_lock);
BOOST_CHECK(!lock);
}
lock_type lock(mutex);
BOOST_CHECK(lock ? true : false);
// Construct and initialize an xtime for a fast time out.
boost::xtime xt = delay(0, 100);
// Test the lock and the mutex with condition variables.
// No one is going to notify this condition variable. We expect it to
// usually time out. It may occasionally return true due to a spurious wakeup.
bool wait_result = true;
for (unsigned int attempt = 0u; wait_result && attempt < max_wait_attempts; ++attempt)
wait_result = condition.timed_wait(lock, xt);
BOOST_CHECK(!wait_result);
BOOST_CHECK(lock ? true : false);
// Test the lock and unlock methods.
lock.unlock();
BOOST_CHECK(!lock);
lock.lock();
BOOST_CHECK(lock ? true : false);
}
};
template <typename M>
struct test_trylock
{
typedef M mutex_type;
typedef typename M::scoped_try_lock try_lock_type;
void operator()()
{
mutex_type mutex;
boost::condition condition;
// Test the lock's constructors.
{
try_lock_type lock(mutex);
BOOST_CHECK(lock ? true : false);
}
{
try_lock_type lock(mutex, boost::defer_lock);
BOOST_CHECK(!lock);
}
try_lock_type lock(mutex);
BOOST_CHECK(lock ? true : false);
// Construct and initialize an xtime for a fast time out.
boost::xtime xt = delay(0, 100);
// Test the lock and the mutex with condition variables.
// No one is going to notify this condition variable. We expect it to
// usually time out. It may occasionally return true due to a spurious wakeup.
bool wait_result = true;
for (unsigned int attempt = 0u; wait_result && attempt < max_wait_attempts; ++attempt)
wait_result = condition.timed_wait(lock, xt);
BOOST_CHECK(!wait_result);
BOOST_CHECK(lock ? true : false);
// Test the lock, unlock and trylock methods.
lock.unlock();
BOOST_CHECK(!lock);
lock.lock();
BOOST_CHECK(lock ? true : false);
lock.unlock();
BOOST_CHECK(!lock);
BOOST_CHECK(lock.try_lock());
BOOST_CHECK(lock ? true : false);
}
};
template<typename Mutex>
struct test_lock_times_out_if_other_thread_has_lock
{
typedef boost::unique_lock<Mutex> Lock;
Mutex m;
boost::mutex done_mutex;
bool done;
bool locked;
boost::condition_variable done_cond;
test_lock_times_out_if_other_thread_has_lock():
done(false),locked(false)
{}
void locking_thread()
{
Lock lock(m,boost::defer_lock);
lock.timed_lock(boost::posix_time::milliseconds(50));
boost::lock_guard<boost::mutex> lk(done_mutex);
locked=lock.owns_lock();
done=true;
done_cond.notify_one();
}
void locking_thread_through_constructor()
{
Lock lock(m,boost::posix_time::milliseconds(50));
boost::lock_guard<boost::mutex> lk(done_mutex);
locked=lock.owns_lock();
done=true;
done_cond.notify_one();
}
bool is_done() const
{
return done;
}
typedef test_lock_times_out_if_other_thread_has_lock<Mutex> this_type;
void do_test(void (this_type::*test_func)())
{
Lock lock(m);
locked=false;
done=false;
boost::thread t(test_func,this);
try
{
{
boost::unique_lock<boost::mutex> lk(done_mutex);
BOOST_CHECK(done_cond.timed_wait(lk,boost::posix_time::seconds(2),
boost::bind(&this_type::is_done,this)));
BOOST_CHECK(!locked);
}
lock.unlock();
t.join();
}
catch(...)
{
lock.unlock();
t.join();
throw;
}
}
void operator()()
{
do_test(&this_type::locking_thread);
do_test(&this_type::locking_thread_through_constructor);
}
};
template <typename M>
struct test_timedlock
{
typedef M mutex_type;
typedef typename M::scoped_timed_lock timed_lock_type;
static bool fake_predicate()
{
return false;
}
void operator()()
{
test_lock_times_out_if_other_thread_has_lock<mutex_type>()();
mutex_type mutex;
boost::condition condition;
// Test the lock's constructors.
{
// Construct and initialize an xtime for a fast time out.
boost::system_time xt = boost::get_system_time()+boost::posix_time::milliseconds(100);
timed_lock_type lock(mutex, xt);
BOOST_CHECK(lock ? true : false);
}
{
timed_lock_type lock(mutex, boost::defer_lock);
BOOST_CHECK(!lock);
}
timed_lock_type lock(mutex);
BOOST_CHECK(lock ? true : false);
// Construct and initialize an xtime for a fast time out.
boost::system_time timeout = boost::get_system_time()+boost::posix_time::milliseconds(100);
// Test the lock and the mutex with condition variables.
// No one is going to notify this condition variable. We expect it to
// time out. Spurious wakeups should be handled by means of the predicate.
BOOST_CHECK(!condition.timed_wait(lock, timeout, fake_predicate));
BOOST_CHECK(lock ? true : false);
boost::system_time now=boost::get_system_time();
boost::posix_time::milliseconds const timeout_resolution(20);
BOOST_CHECK((timeout-timeout_resolution)<now);
// Test the lock, unlock and timedlock methods.
lock.unlock();
BOOST_CHECK(!lock);
lock.lock();
BOOST_CHECK(lock ? true : false);
lock.unlock();
BOOST_CHECK(!lock);
boost::system_time class="pl-c1">boost::get_system_time()+boost::posix_time::milliseconds(100);
BOOST_CHECK(lock.timed_lock(target));
BOOST_CHECK(lock ? true : false);
lock.unlock();
BOOST_CHECK(!lock);
BOOST_CHECK(mutex.timed_lock(boost::posix_time::milliseconds(100)));
mutex.unlock();
BOOST_CHECK(lock.timed_lock(boost::posix_time::milliseconds(100)));
BOOST_CHECK(lock ? true : false);
lock.unlock();
BOOST_CHECK(!lock);
}
};
template <typename M>
struct test_recursive_lock
{
typedef M mutex_type;
typedef typename M::scoped_lock lock_type;
void operator()()
{
mutex_type mx;
lock_type lock1(mx);
lock_type lock2(mx);
}
};
void do_test_mutex()
{
test_lock<boost::mutex>()();
}
BOOST_AUTO_TEST_CASE(test_mutex)
{
timed_test(&do_test_mutex, 3);
}
void do_test_try_mutex()
{
test_lock<boost::try_mutex>()();
test_trylock<boost::try_mutex>()();
}
BOOST_AUTO_TEST_CASE(test_try_mutex)
{
timed_test(&do_test_try_mutex, 3);
}
void do_test_timed_mutex()
{
test_lock<boost::timed_mutex>()();
test_trylock<boost::timed_mutex>()();
test_timedlock<boost::timed_mutex>()();
}
BOOST_AUTO_TEST_CASE(test_timed_mutex)
{
timed_test(&do_test_timed_mutex, 3);
}
void do_test_recursive_mutex()
{
test_lock<boost::recursive_mutex>()();
test_recursive_lock<boost::recursive_mutex>()();
}
BOOST_AUTO_TEST_CASE(test_recursive_mutex)
{
timed_test(&do_test_recursive_mutex, 3);
}
void do_test_recursive_try_mutex()
{
test_lock<boost::recursive_try_mutex>()();
test_trylock<boost::recursive_try_mutex>()();
test_recursive_lock<boost::recursive_try_mutex>()();
}
BOOST_AUTO_TEST_CASE(test_recursive_try_mutex)
{
timed_test(&do_test_recursive_try_mutex, 3);
}
void do_test_recursive_timed_mutex()
{
test_lock<boost::recursive_timed_mutex>()();
test_trylock<boost::recursive_timed_mutex>()();
test_timedlock<boost::recursive_timed_mutex>()();
test_recursive_lock<boost::recursive_timed_mutex>()();
}
BOOST_AUTO_TEST_CASE(test_recursive_timed_mutex)
{
timed_test(&do_test_recursive_timed_mutex, 3);
}