public void TestPeek()
{
MessageDispatchChannel channel = new MessageDispatchChannel();
MessageDispatch dispatch1 = new MessageDispatch();
MessageDispatch dispatch2 = new MessageDispatch();
Assert.IsTrue(channel.Empty == true);
Assert.IsTrue(channel.Count == 0);
channel.EnqueueFirst(dispatch1);
Assert.IsTrue(channel.Empty == false);
Assert.IsTrue(channel.Count == 1);
channel.EnqueueFirst(dispatch2);
Assert.IsTrue(channel.Empty == false);
Assert.IsTrue(channel.Count == 2);
Assert.IsTrue(channel.Peek() == null);
channel.Start();
Assert.IsTrue(channel.Peek() == dispatch2);
Assert.IsTrue(channel.DequeueNoWait() == dispatch2);
Assert.IsTrue(channel.Peek() == dispatch1);
Assert.IsTrue(channel.DequeueNoWait() == dispatch1);
}