public void TestGetWaitQueueLength()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
Pair data = new Pair(locker, 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);
locker.Lock();
Assert.IsTrue(locker.HasWaiters(c));
Assert.AreEqual(2, locker.GetWaitQueueLength(c));
c.SignalAll();
locker.UnLock();
Thread.Sleep(SHORT_DELAY_MS);
locker.Lock();
Assert.IsFalse(locker.HasWaiters(c));
Assert.AreEqual(0, locker.GetWaitQueueLength(c));
locker.UnLock();
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 TestHasWaitersNRE()
{
ReentrantLock locker = new ReentrantLock();
try
{
locker.HasWaiters(null);
ShouldThrow();
}
catch (NullReferenceException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasWaitersTSE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
try
{
locker.HasWaiters(c);
ShouldThrow();
}
catch (ThreadStateException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
private void TestGetWaitQueueLengthRunnable2(Object state)
{
Pair data = state as Pair;
ReentrantLock locker = data.first as ReentrantLock;
Condition c = data.second as Condition;
try
{
locker.Lock();
ThreadAssertTrue(locker.HasWaiters(c));
ThreadAssertEquals(1, locker.GetWaitQueueLength(c));
c.Await();
locker.UnLock();
}
catch (ThreadInterruptedException e)
{
ThreadUnexpectedException(e);
}
}
public void TestHasWaitersIAE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
ReentrantLock locker2 = new ReentrantLock();
try
{
locker2.HasWaiters(c);
ShouldThrow();
}
catch (ArgumentException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetWaitQueueLength()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
Pair data = new Pair(locker, 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);
locker.Lock();
Assert.IsTrue(locker.HasWaiters(c));
Assert.AreEqual(2, locker.GetWaitQueueLength(c));
c.SignalAll();
locker.UnLock();
Thread.Sleep(SHORT_DELAY_MS);
locker.Lock();
Assert.IsFalse(locker.HasWaiters(c));
Assert.AreEqual(0, locker.GetWaitQueueLength(c));
locker.UnLock();
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 TestHasWaitersTSE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
try
{
locker.HasWaiters(c);
ShouldThrow();
}
catch (ThreadStateException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasWaitersIAE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
ReentrantLock locker2 = new ReentrantLock();
try
{
locker2.HasWaiters(c);
ShouldThrow();
}
catch (ArgumentException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasWaitersNRE()
{
ReentrantLock locker = new ReentrantLock();
try
{
locker.HasWaiters(null);
ShouldThrow();
}
catch (NullReferenceException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
