public void RegisterACommandShouldRaiseCanExecuteEvent() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommand = new TestCommand(); multiCommand.RegisterCommand(new TestCommand()); Assert.True(multiCommand.CanExecuteChangedRaised); }
public void CanExecuteShouldReturnTrueIfAllRegistrantsTrue() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommandOne = new TestCommand() { CanExecuteValue = true }; TestCommand testCommandTwo = new TestCommand() { CanExecuteValue = true }; multiCommand.RegisterCommand(testCommandOne); multiCommand.RegisterCommand(testCommandTwo); Assert.True(multiCommand.CanExecute(null)); }
public void ShouldDelegateCanExecuteToSingleRegistrant() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommand = new TestCommand(); multiCommand.RegisterCommand(testCommand); Assert.False(testCommand.CanExecuteCalled); multiCommand.CanExecute(null); Assert.True(testCommand.CanExecuteCalled); }
public void ShouldDelegateCanExecuteToMultipleRegistrants() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommandOne = new TestCommand(); TestCommand testCommandTwo = new TestCommand(); multiCommand.RegisterCommand(testCommandOne); multiCommand.RegisterCommand(testCommandTwo); Assert.False(testCommandOne.CanExecuteCalled); Assert.False(testCommandTwo.CanExecuteCalled); multiCommand.CanExecute(null); Assert.True(testCommandOne.CanExecuteCalled); Assert.True(testCommandTwo.CanExecuteCalled); }
public void ShouldGetRegisteredCommands() { var firstCommand = new TestCommand(); var secondCommand = new TestCommand(); var compositeCommand = new CompositeCommand(); compositeCommand.RegisterCommand(firstCommand); compositeCommand.RegisterCommand(secondCommand); var commands = compositeCommand.RegisteredCommands; Assert.True(commands.Count > 0); }
public void RegisteringCommandTwiceThrows() { Assert.Throws<InvalidOperationException>(() => { var compositeCommand = new CompositeCommand(); var duplicateCommand = new TestCommand(); compositeCommand.RegisterCommand(duplicateCommand); compositeCommand.RegisterCommand(duplicateCommand); }); }
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.False(multiCommand.CanExecuteChangedRaised); }
public void UnregisterCommandShouldRaiseCanExecuteEvent() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommandOne = new TestCommand(); multiCommand.RegisterCommand(testCommandOne); multiCommand.CanExecuteChangedRaised = false; multiCommand.UnregisterCommand(testCommandOne); Assert.True(multiCommand.CanExecuteChangedRaised); }
public void UnregisterCommandRemovesFromExecuteDelegation() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommandOne = new TestCommand() { CanExecuteValue = true }; multiCommand.RegisterCommand(testCommandOne); multiCommand.UnregisterCommand(testCommandOne); Assert.False(testCommandOne.ExecuteCalled); multiCommand.Execute(null); Assert.False(testCommandOne.ExecuteCalled); }
public void ShouldReraiseCanExecuteChangedEventAfterCollect() { TestableCompositeCommand multiCommand = new TestableCompositeCommand(); TestCommand testCommandOne = new TestCommand() { CanExecuteValue = true }; Assert.False(multiCommand.CanExecuteChangedRaised); multiCommand.RegisterCommand(testCommandOne); multiCommand.CanExecuteChangedRaised = false; GC.Collect(); testCommandOne.FireCanExecuteChanged(); Assert.True(multiCommand.CanExecuteChangedRaised); }
public void RegisteringCommandTwiceThrows() { var compositeCommand = new CompositeCommand(); var duplicateCommand = new TestCommand(); compositeCommand.RegisterCommand(duplicateCommand); compositeCommand.RegisterCommand(duplicateCommand); }