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- // Copyright (C) 2001-2003
- // William E. Kempf
- //
- // Copyright Frank Mori Hess 2009
- //
- // Use, modification and
- // distribution is subject to 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)
- // This is a simplified/modified version of libs/thread/test/test_mutex.cpp
- // added to test boost::signals2::mutex.
- // For more information, see http://www.boost.org
- // note boost/test/minimal.hpp can cause windows.h to get included, which
- // can screw up our checks of _WIN32_WINNT if it is included
- // after boost/signals2/mutex.hpp. Frank Hess 2009-03-07.
- #include <boost/test/minimal.hpp>
- #include <boost/bind.hpp>
- #include <boost/signals2/dummy_mutex.hpp>
- #include <boost/signals2/mutex.hpp>
- #include <boost/thread/locks.hpp>
- #include <boost/thread/mutex.hpp>
- #include <boost/thread/thread.hpp>
- #include <boost/thread/thread_time.hpp>
- #include <boost/thread/condition.hpp>
- class execution_monitor
- {
- public:
- execution_monitor(int secs)
- : done(false), m_secs(secs) { }
- void start()
- {
- boost::mutex::scoped_lock lock(mutex);
- done = false;
- }
- void finish()
- {
- boost::mutex::scoped_lock lock(mutex);
- done = true;
- cond.notify_one();
- }
- bool wait()
- {
- boost::posix_time::time_duration timeout = boost::posix_time::seconds(m_secs);
- boost::mutex::scoped_lock lock(mutex);
- while (!done) {
- if (!cond.timed_wait(lock, timeout))
- break;
- }
- return done;
- }
- private:
- boost::mutex mutex;
- boost::condition cond;
- bool done;
- int m_secs;
- };
- template <typename F>
- class indirect_adapter
- {
- public:
- indirect_adapter(F func, execution_monitor& monitor)
- : m_func(func), m_monitor(monitor) { }
- void operator()() const
- {
- try
- {
- boost::thread thrd(m_func);
- thrd.join();
- }
- catch (...)
- {
- m_monitor.finish();
- throw;
- }
- m_monitor.finish();
- }
- private:
- F m_func;
- execution_monitor& m_monitor;
- void operator=(indirect_adapter&);
- };
- template <typename F>
- void timed_test(F func, int secs)
- {
- execution_monitor monitor(secs);
- indirect_adapter<F> ifunc(func, monitor);
- monitor.start();
- boost::thread thrd(ifunc);
- BOOST_REQUIRE(monitor.wait()); // Timed test didn't complete in time, possible deadlock
- }
- template <typename M>
- struct test_lock
- {
- typedef M mutex_type;
- typedef typename boost::unique_lock<M> 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 a fast time out.
- boost::posix_time::time_duration timeout = 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 to
- // time out.
- BOOST_CHECK(!condition.timed_wait(lock, timeout));
- 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 boost::unique_lock<M> lock_type;
- void operator()()
- {
- mutex_type mutex;
- boost::condition condition;
- // Test the lock's constructors.
- {
- lock_type lock(mutex, boost::try_to_lock);
- BOOST_CHECK(lock ? true : false);
- }
- {
- lock_type lock(mutex, boost::defer_lock);
- BOOST_CHECK(!lock);
- }
- lock_type lock(mutex, boost::try_to_lock);
- BOOST_CHECK(lock ? true : false);
- // Construct a fast time out.
- boost::posix_time::time_duration timeout = 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 to
- // time out.
- BOOST_CHECK(!condition.timed_wait(lock, timeout));
- 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_exclusion
- {
- typedef boost::unique_lock<Mutex> Lock;
- Mutex m;
- boost::mutex done_mutex;
- bool done;
- bool locked;
- boost::condition_variable done_cond;
- test_lock_exclusion():
- done(false),locked(false)
- {}
- void locking_thread()
- {
- Lock lock(m);
- 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_exclusion<Mutex> this_type;
- void do_test(void (this_type::*test_func)())
- {
- Lock lock(m);
- {
- boost::lock_guard<boost::mutex> lk(done_mutex);
- locked=false;
- }
- done=false;
- boost::thread t(test_func,this);
- try
- {
- {
- boost::mutex::scoped_lock lk(done_mutex);
- BOOST_CHECK(!done_cond.timed_wait(lk, boost::posix_time::seconds(1),
- boost::bind(&this_type::is_done,this)));
- }
- lock.unlock();
- {
- boost::mutex::scoped_lock lk(done_mutex);
- BOOST_CHECK(done_cond.timed_wait(lk, boost::posix_time::seconds(1),
- boost::bind(&this_type::is_done,this)));
- }
- t.join();
- BOOST_CHECK(locked);
- }
- catch(...)
- {
- lock.unlock();
- t.join();
- throw;
- }
- }
- void operator()()
- {
- do_test(&this_type::locking_thread);
- }
- };
- void do_test_mutex()
- {
- test_lock<boost::signals2::mutex>()();
- // try_lock not supported on old versions of windows
- #if !defined(BOOST_HAS_WINTHREADS) || (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0400))
- test_trylock<boost::signals2::mutex>()();
- #endif
- test_lock_exclusion<boost::signals2::mutex>()();
- }
- void test_mutex()
- {
- timed_test(&do_test_mutex, 3);
- }
- void do_test_dummy_mutex()
- {
- test_lock<boost::signals2::dummy_mutex>()();
- test_trylock<boost::signals2::dummy_mutex>()();
- }
- void test_dummy_mutex()
- {
- timed_test(&do_test_dummy_mutex, 2);
- }
- int test_main(int, char*[])
- {
- test_mutex();
- test_dummy_mutex();
- return 0;
- }
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