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Diffstat (limited to 'cpp/test/IceUtil/thread/MutexTest.cpp')
-rw-r--r-- | cpp/test/IceUtil/thread/MutexTest.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/cpp/test/IceUtil/thread/MutexTest.cpp b/cpp/test/IceUtil/thread/MutexTest.cpp new file mode 100644 index 00000000000..fd9d121e37a --- /dev/null +++ b/cpp/test/IceUtil/thread/MutexTest.cpp @@ -0,0 +1,161 @@ +// ********************************************************************** +// +// Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved. +// +// This copy of Ice is licensed to you under the terms described in the +// ICE_LICENSE file included in this distribution. +// +// ********************************************************************** + +#include <IceUtil/IceUtil.h> + +#include <MutexTest.h> +#include <TestCommon.h> + +using namespace std; +using namespace IceUtil; + +static const string mutexTestName("mutex"); + +class MutexTestThread : public Thread +{ +public: + + MutexTestThread(Mutex& m) : + _mutex(m), + _tryLock(false) + { + } + + virtual void run() + { + Mutex::TryLock tlock(_mutex); + test(!tlock.acquired()); + + { + Mutex::Lock lock(_tryLockMutex); + _tryLock = true; + } + _tryLockCond.signal(); + + Mutex::Lock lock(_mutex); + } + + void + waitTryLock() + { + Mutex::Lock lock(_tryLockMutex); + while(!_tryLock) + { + _tryLockCond.wait(lock); + } + } + +private: + + Mutex& _mutex; + bool _tryLock; + // + // Use native Condition variable here, not Monitor. + // + Cond _tryLockCond; + Mutex _tryLockMutex; +}; + +typedef Handle<MutexTestThread> MutexTestThreadPtr; + +MutexTest::MutexTest() : + TestBase(mutexTestName) +{ +} + +void +MutexTest::run() +{ + Mutex mutex; + MutexTestThreadPtr t; + ThreadControl control; + + { + Mutex::Lock lock(mutex); + + // LockT testing: + // + + test(lock.acquired()); + + try + { + lock.acquire(); + test(false); + } + catch(const ThreadLockedException&) + { + // Expected + } + + try + { + lock.tryAcquire(); + test(false); + } + catch(const ThreadLockedException&) + { + // Expected + } + + test(lock.acquired()); + lock.release(); + test(!lock.acquired()); + + try + { + lock.release(); + test(false); + } + catch(const ThreadLockedException&) + { + // Expected + } + + Mutex::TryLock lock2(mutex); + try + { + test(lock.tryAcquire() == false); + } + catch(const ThreadLockedException&) + { + } + lock2.release(); + test(lock.tryAcquire() == true); + test(lock.acquired()); + + // Deadlock testing + // + +#if !defined(NDEBUG) && !defined(_WIN32) + try + { + Mutex::Lock lock3(mutex); + test(false); + } + catch(const ThreadLockedException&) + { + // Expected + } +#endif + + // TEST: Start thread, try to acquire the mutex. + t = new MutexTestThread(mutex); + control = t->start(); + + // TEST: Wait until the tryLock has been tested. + t->waitTryLock(); + } + + // + // TEST: Once the mutex has been released, the thread should + // acquire the mutex and then terminate. + // + control.join(); +} |