public void TestGetWaitQueueLength()
{
Mutex sync = new Mutex();
AbstractQueuedSynchronizer.ConditionObject c = sync.NewCondition();
Pair data = new Pair(sync, c);
Thread t1 = new Thread(TestGetWaitQueueLengthRunnable1);
Thread t2 = new Thread(TestGetWaitQueueLengthRunnable2);
try
{
t1.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
t2.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
sync.Acquire(1);
Assert.IsTrue(sync.HasWaiters(c));
Assert.AreEqual(2, sync.GetWaitQueueLength(c));
c.SignalAll();
sync.Release(1);
Thread.Sleep(SHORT_DELAY_MS);
sync.Acquire(1);
Assert.IsFalse(sync.HasWaiters(c));
Assert.AreEqual(0, sync.GetWaitQueueLength(c));
sync.Release(1);
t1.Join(SHORT_DELAY_MS);
t2.Join(SHORT_DELAY_MS);
Assert.IsFalse(t1.IsAlive);
Assert.IsFalse(t2.IsAlive);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestAwaitUntilTimeout()
{
Mutex sync = new Mutex();
AbstractQueuedSynchronizer.ConditionObject c = sync.NewCondition();
try
{
sync.Acquire(1);
DateTime deadline = DateTime.Now;
Assert.IsFalse(c.AwaitUntil(deadline.AddSeconds(5)));
sync.Release(1);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestAwait()
{
Mutex sync = new Mutex();
AbstractQueuedSynchronizer.ConditionObject c = sync.NewCondition();
Pair data = new Pair(sync, c);
Thread t = new Thread(TestAwaitRunnable);
try
{
t.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
sync.Acquire(1);
c.Signal();
sync.Release(1);
t.Join(SHORT_DELAY_MS);
Assert.IsFalse(t.IsAlive);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestAcquireInterruptibly1()
{
Mutex sync = new Mutex();
sync.Acquire(1);
Thread t = new Thread(InterruptedSyncRunnable);
try
{
t.Start(sync);
Thread.Sleep(SHORT_DELAY_MS);
t.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
sync.Release(1);
t.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestAwaitTimeout()
{
Mutex sync = new Mutex();
AbstractQueuedSynchronizer.ConditionObject c = sync.NewCondition();
try
{
sync.Acquire(1);
Assert.IsFalse(c.Await(SHORT_DELAY_MS) > 0);
sync.Release(1);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestAcquireTimedTimeout()
{
Mutex sync = new Mutex();
sync.Acquire(1);
Thread t = new Thread(TestAcquireTimedTimeoutRunnable);
try
{
t.Start(sync);
t.Join();
sync.Release(1);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetState()
{
Mutex sync = new Mutex();
sync.Acquire(1);
Assert.IsTrue(sync.AccessIsHeldExclusively());
sync.Release(1);
Assert.IsFalse(sync.AccessIsHeldExclusively());
Thread t = new Thread(TestGetStateRunnable);
try
{
t.Start(sync);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.AccessIsHeldExclusively());
t.Join();
Assert.IsFalse(sync.AccessIsHeldExclusively());
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestThreadInterruptedException2()
{
Mutex sync = new Mutex();
sync.Acquire(1);
Thread t = new Thread(TestThreadInterruptedException2Rannable);
try
{
t.Start(sync);
t.Interrupt();
t.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestTryAcquireWhenSynced()
{
Mutex sync = new Mutex();
sync.Acquire(1);
Thread t = new Thread(TestTryAcquireWhenSyncedRunnable);
try
{
t.Start(sync);
t.Join();
sync.Release(1);
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestGetSharedQueuedThreads()
{
Mutex sync = new Mutex();
Thread t1 = new Thread(InterruptedSyncRunnable);
Thread t2 = new Thread(InterruptibleSyncRunnable);
try {
Assert.IsTrue(sync.SharedQueuedThreads.IsEmpty());
sync.Acquire(1);
Assert.IsTrue(sync.SharedQueuedThreads.IsEmpty());
t1.Start(sync);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.SharedQueuedThreads.IsEmpty());
t2.Start(sync);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.SharedQueuedThreads.IsEmpty());
t1.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.SharedQueuedThreads.IsEmpty());
sync.Release(1);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.SharedQueuedThreads.IsEmpty());
t1.Join();
t2.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestHasContended()
{
Mutex sync = new Mutex();
Thread t1 = new Thread(InterruptedSyncRunnable);
Thread t2 = new Thread(InterruptibleSyncRunnable);
try
{
Assert.IsFalse(sync.HasContended);
sync.Acquire(1);
t1.Start(sync);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.HasContended);
t2.Start(sync);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.HasContended);
t1.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.HasContended);
sync.Release(1);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.HasContended);
t1.Join();
t2.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestGetFirstQueuedThread()
{
Mutex sync = new Mutex();
Thread t1 = new Thread(InterruptedSyncRunnable);
Thread t2 = new Thread(InterruptibleSyncRunnable);
try
{
Assert.IsNull(sync.FirstQueuedThread);
sync.Acquire(1);
t1.Start(sync);
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(t1, sync.FirstQueuedThread);
t2.Start(sync);
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(t1, sync.FirstQueuedThread);
t1.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(t2, sync.FirstQueuedThread);
sync.Release(1);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsNull(sync.FirstQueuedThread);
t1.Join();
t2.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestAcquire()
{
Mutex rl = new Mutex();
rl.Acquire(1);
Assert.IsTrue(rl.AccessIsHeldExclusively());
rl.Release(1);
Assert.IsFalse(rl.AccessIsHeldExclusively());
}
public void TestToString()
{
Mutex sync = new Mutex();
String us = sync.ToString();
Assert.IsTrue(us.IndexOf("State = 0") >= 0);
sync.Acquire(1);
String ls = sync.ToString();
Assert.IsTrue(ls.IndexOf("State = 1") >= 0);
}
