public void RegisterSingleHandler()
        {
            var  target     = new MessageMediator();
            bool passedTest = false;

            Action <string> handler = o => passedTest = (o == "Test");

            target.RegisterHandler("test", handler);
            bool hadTarget = target.SendMessage("test", "Test");

            Assert.IsTrue(hadTarget, "Mediator did not return success");
            Assert.IsTrue(passedTest, "Did not receive message");

            target.UnregisterHandler("test", handler);
            Assert.IsFalse(target.SendMessage("test", "Test"));
        }
        public void TestIntParam2()
        {
            var target = new MessageMediator();
            var tc     = new TestCounter();

            target.Register(tc);

            target.RegisterHandler <int>("test6", tc.MessageHandler6);
            bool hadTarget = target.SendMessage(5);

            Assert.IsFalse(hadTarget, "Mediator found unexpected target");

            hadTarget = target.SendMessage("test6", 5);
            Assert.IsTrue(hadTarget, "Mediator did not find target");
            Assert.AreEqual(5, tc.Count);

            target.UnregisterHandler <int>("test6", tc.MessageHandler6);
            target.Unregister(tc);
            Assert.IsFalse(target.SendMessage("test6", 5));
        }