public void Returns_True_If_Type_Registered()
            {
                var registry = new SimpleTypeRegistry();

                registry.Register(typeof(IEmptyInteface), typeof(ConcreteClassImplementingEmptyInterface));

                Assert.True(registry.Contains(typeof(IEmptyInteface)));
            }
            public void Returns_False_When_Registry_Is_Empty()
            {
                var registry = new SimpleTypeRegistry();

                Assert.False(registry.Contains(typeof(System.String)));
            }