Apache.NMS.ActiveMQ.Test.SimplePriorityMessageDispatchChannelTest.TestDequeue C# (CSharp) Method

        public void TestDequeue()
        {
            SimplePriorityMessageDispatchChannel channel = new SimplePriorityMessageDispatchChannel();

            MessageDispatch dispatch1 = new MessageDispatch();
            MessageDispatch dispatch2 = new MessageDispatch();
            MessageDispatch dispatch3 = new MessageDispatch();

            Message message1 = new Message();
            Message message2 = new Message();
            Message message3 = new Message();

            message1.Priority = 1;
            message2.Priority = 2;
            message3.Priority = 3;

            dispatch1.Message = message1;
            dispatch2.Message = message2;
            dispatch3.Message = message3;

            channel.Start();
            Assert.IsTrue( channel.Running == true );

            DateTime timeStarted = DateTime.Now;

            Assert.IsTrue( channel.Dequeue(TimeSpan.FromMilliseconds(1000)) == null );

            DateTime timeFinished = DateTime.Now;

            TimeSpan elapsed = timeFinished - timeStarted;
            Assert.IsTrue( elapsed.TotalMilliseconds >= 999 );

            channel.Enqueue( dispatch1 );
            channel.Enqueue( dispatch2 );
            channel.Enqueue( dispatch3 );
            Assert.IsTrue( channel.Empty == false );
            Assert.IsTrue( channel.Count == 3 );
            Assert.IsTrue( channel.Dequeue( TimeSpan.FromMilliseconds(Timeout.Infinite) ) == dispatch3 );
            Assert.IsTrue( channel.Dequeue( TimeSpan.Zero ) == dispatch2 );
            Assert.IsTrue( channel.Dequeue( TimeSpan.FromMilliseconds(1000) ) == dispatch1 );

            Assert.IsTrue( channel.Count == 0 );
            Assert.IsTrue( channel.Empty == true );
        }