public void Property_Changed_Registered() { IKeyForm form = MockRepository.GenerateMock <IKeyForm>(); IKey obj = MockRepository.GenerateMock <IKey>(); IMainPanel panel = MockRepository.GenerateMock <IMainPanel>(); //var presenter = new KeyPresenter(panel, form); //presenter.AttachToModel(obj); obj.AssertWasCalled(o => o.PropertyChanged += null, c => c.IgnoreArguments()); }