public void builds_an_instance_with_no_ctor_parameters()
        {
            var creator  = new ActivatorCommandCreator();
            var instance = creator.Create(typeof(NoParamsCommand));

            instance.ShouldBeOfType <NoParamsCommand>();
        }
        public void throws_if_the_ctor_has_parameters()
        {
            var creator = new ActivatorCommandCreator();

            Assert.Throws <MissingMethodException>(() => creator.Create(typeof(ParamsCommand)));
        }