GladNet.Message.RequestMessage.Peek C# (CSharp) Method

		public int? Peek()
		{
			lock (syncObj)
			{
				if (_routingCodeStack == null)
					return null;
				else
					if (_routingCodeStack.Count != 0)
					return _routingCodeStack.Peek();
				else
					return null;
			}
		}

        public static void Test_Event_Message_Routing_Stack_Has_Pushed_Values()
        {
            //arrange
            Mock<PacketPayload> packet = new Mock<PacketPayload>(MockBehavior.Strict);
            RequestMessage message = new RequestMessage(packet.Object);

            //act
            message.Push(5);
            message.Push(4);
            message.Push(3);

            //assert
            Assert.NotNull(message.Peek());
            Assert.True(message.isMessageRoutable);

            Assert.AreEqual(3, message.Pop());
            Assert.AreEqual(4, message.Pop());
            Assert.AreEqual(5, message.Pop());

            Assert.IsNull(message.Peek());
            Assert.IsFalse(message.isMessageRoutable); //shouldn't be able to rout
        }