public virtual void TestFull()
{
SinkQueue <int> q = new SinkQueue <int>(1);
q.Enqueue(1);
Assert.True("should drop", !q.Enqueue(2));
Assert.Equal("element", 1, (int)q.Dequeue());
q.Enqueue(3);
q.Consume(new _Consumer_114());
Assert.Equal("queue size", 0, q.Size());
}
public virtual void TestCommon()
{
SinkQueue <int> q = new SinkQueue <int>(2);
q.Enqueue(1);
Assert.Equal("queue front", 1, (int)q.Front());
Assert.Equal("queue back", 1, (int)q.Back());
Assert.Equal("element", 1, (int)q.Dequeue());
Assert.True("should enqueue", q.Enqueue(2));
q.Consume(new _Consumer_50());
Assert.True("should enqueue", q.Enqueue(3));
Assert.Equal("element", 3, (int)q.Dequeue());
Assert.Equal("queue size", 0, q.Size());
Assert.Equal("queue front", null, q.Front());
Assert.Equal("queue back", null, q.Back());
}
public virtual void TestConsumeAll()
{
int capacity = 64;
// arbitrary
SinkQueue <int> q = new SinkQueue <int>(capacity);
for (int i = 0; i < capacity; ++i)
{
Assert.True("should enqueue", q.Enqueue(i));
}
Assert.True("should not enqueue", !q.Enqueue(capacity));
Runnable trigger = Org.Mockito.Mockito.Mock <Runnable>();
q.ConsumeAll(new _Consumer_136(trigger));
Org.Mockito.Mockito.Verify(trigger, Org.Mockito.Mockito.Times(capacity)).Run();
}
public virtual void TestConcurrentConsumers()
{
SinkQueue <int> q = NewSleepingConsumerQueue(2, 1);
Assert.True("should enqueue", q.Enqueue(2));
Assert.Equal("queue back", 2, (int)q.Back());
Assert.True("should drop", !q.Enqueue(3));
// should not block
ShouldThrowCME(new _Fun_206(q));
ShouldThrowCME(new _Fun_211(q));
ShouldThrowCME(new _Fun_216(q));
ShouldThrowCME(new _Fun_221(q));
// The queue should still be in consistent state after all the exceptions
Assert.Equal("queue size", 2, q.Size());
Assert.Equal("queue front", 1, (int)q.Front());
Assert.Equal("queue back", 2, (int)q.Back());
}
/// <exception cref="System.Exception"/>
private void TestEmptyBlocking(int awhile)
{
SinkQueue <int> q = new SinkQueue <int>(2);
Runnable trigger = Org.Mockito.Mockito.Mock <Runnable>();
// try consuming emtpy equeue and blocking
Thread t = new _Thread_75(q, trigger);
t.Start();
// Should work with or without sleep
if (awhile > 0)
{
Thread.Sleep(awhile);
}
q.Enqueue(1);
q.Enqueue(2);
t.Join();
Org.Mockito.Mockito.Verify(trigger).Run();
}
public virtual void TestHangingConsumer()
{
SinkQueue <int> q = NewSleepingConsumerQueue(2, 1, 2);
Assert.Equal("queue back", 2, (int)q.Back());
Assert.True("should drop", !q.Enqueue(3));
// should not block
Assert.Equal("queue size", 2, q.Size());
Assert.Equal("queue head", 1, (int)q.Front());
Assert.Equal("queue back", 2, (int)q.Back());
}
public virtual void TestClear()
{
SinkQueue <int> q = new SinkQueue <int>(128);
for (int i = 0; i < q.Capacity() + 97; ++i)
{
q.Enqueue(i);
}
Assert.Equal("queue size", q.Capacity(), q.Size());
q.Clear();
Assert.Equal("queue size", 0, q.Size());
}
public virtual void TestConsumerException()
{
SinkQueue <int> q = new SinkQueue <int>(1);
RuntimeException ex = new RuntimeException("expected");
q.Enqueue(1);
try
{
q.Consume(new _Consumer_157(ex));
}
catch (Exception expected)
{
NUnit.Framework.Assert.AreSame("consumer exception", ex, expected);
}
// The queue should be in consistent state after exception
Assert.Equal("queue size", 1, q.Size());
Assert.Equal("element", 1, (int)q.Dequeue());
}
/// <exception cref="System.Exception"/>
private SinkQueue <int> NewSleepingConsumerQueue(int capacity, params int[] values
)
{
SinkQueue <int> q = new SinkQueue <int>(capacity);
foreach (int i in values)
{
q.Enqueue(i);
}
CountDownLatch barrier = new CountDownLatch(1);
Thread t = new _Thread_251(q, barrier);
// causes failure without barrier
// a long time
t.SetName("Sleeping consumer");
t.SetDaemon(true);
// so jvm can exit
t.Start();
barrier.Await();
Log.Debug("Returning new sleeping consumer queue");
return(q);
}