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