public void TestPeek() { FifoMessageDispatchChannel channel = new FifoMessageDispatchChannel(); 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 ); }