1 files changed, 111 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..6d9433e125c
--- /dev/null
+++ b/cpp/test/IceUtil/thread/MutexTest.cpp
@@ -0,0 +1,111 @@
+// **********************************************************************
+//
+// Copyright (c) 2001
+// MutableRealms, Inc.
+// Huntsville, AL, USA
+//
+// All Rights Reserved
+//
+// **********************************************************************
+
+#include <IceUtil/IceUtil.h>
+
+#include <MutexTest.h>
+#include <TestCommon.h>
+
+using namespace std;
+using namespace IceUtil;
+
+static const std::string mutexTestName("mutex");
+
+class MutexTestThread : public Thread
+{
+public:
+    
+    MutexTestThread(Mutex& m) :
+	_mutex(m),
+	_trylock(false)
+    {
+    }
+
+    virtual void run()
+    {
+	try
+	{
+	    Mutex::TryLock lock(_mutex);
+	    test(false);
+	}
+	catch(const LockedException&)
+	{
+	    // Expected
+	}
+
+	_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);
+	
+	// TEST: TryLock
+	try
+	{
+	    Mutex::TryLock lock(mutex);
+	    test(false);
+	}
+	catch(const LockedException&)
+	{
+	    // Expected
+	}
+	
+	// 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();
+}