public void TestGetWaitQueueLengthTSE()
 {
     Mutex sync = new Mutex();
     AbstractQueuedSynchronizer.ConditionObject c = (sync.NewCondition());
     try
     {
         sync.GetWaitQueueLength(c);
         ShouldThrow();
     }
     catch (ThreadStateException)
     {
     }
     catch (Exception e)
     {
         UnexpectedException(e);
     }
 }
        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 TestGetWaitQueueLengthNRE()
 {
     Mutex sync = new Mutex();
     try
     {
         sync.GetWaitQueueLength(null);
         ShouldThrow();
     }
     catch (NullReferenceException)
     {
     }
     catch (Exception e)
     {
         UnexpectedException(e);
     }
 }