public void UnregisterCommandShouldRaiseCanExecuteEvent() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommandOne = new TestCommand(); multiCommand.RegisterCommand(testCommandOne); multiCommand.CanExecuteChangedRaised = false; multiCommand.UnregisterCommand(testCommandOne); Assert.IsTrue(multiCommand.CanExecuteChangedRaised); }
public void UnregisterCommandDisconnectsCanExecuteChangedDelegate() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommandOne = new TestCommand() { CanExecuteValue = true }; multiCommand.RegisterCommand(testCommandOne); multiCommand.UnregisterCommand(testCommandOne); multiCommand.CanExecuteChangedRaised = false; testCommandOne.FireCanExecuteChanged(); Assert.IsFalse(multiCommand.CanExecuteChangedRaised); }
public void UnregisterCommandRemovesFromExecuteDelegation() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommandOne = new TestCommand() { CanExecuteValue = true }; multiCommand.RegisterCommand(testCommandOne); multiCommand.UnregisterCommand(testCommandOne); Assert.IsFalse(testCommandOne.ExecuteCalled); multiCommand.Execute(null); Assert.IsFalse(testCommandOne.ExecuteCalled); }