public void DispatchCommandDoesNotIncludeInactiveRegisteredCommandInVoting()
{
CompositeCommand activeAwareCommand = new CompositeCommand(true);
MockActiveAwareCommand command = new MockActiveAwareCommand();
activeAwareCommand.RegisterCommand(command);
command.IsValid = true;
command.IsActive = false;
Assert.False(activeAwareCommand.CanExecute(null), "Registered Click is inactive so should not participate in CanExecute vote");
command.IsActive = true;
Assert.True(activeAwareCommand.CanExecute(null));
command.IsValid = false;
Assert.False(activeAwareCommand.CanExecute(null));
}
public void DispatchCommandShouldIgnoreInactiveCommandsInCanExecuteVote()
{
CompositeCommand activeAwareCommand = new CompositeCommand(true);
MockActiveAwareCommand commandOne = new MockActiveAwareCommand() { IsActive = false, IsValid = false };
MockActiveAwareCommand commandTwo = new MockActiveAwareCommand() { IsActive = true, IsValid = true };
activeAwareCommand.RegisterCommand(commandOne);
activeAwareCommand.RegisterCommand(commandTwo);
Assert.True(activeAwareCommand.CanExecute(null));
}
public void UnregisterCommandDisconnectsIsActiveChangedDelegate()
{
CompositeCommand activeAwareCommand = new CompositeCommand(true);
MockActiveAwareCommand commandOne = new MockActiveAwareCommand() { IsActive = true, IsValid = true };
MockActiveAwareCommand commandTwo = new MockActiveAwareCommand() { IsActive = false, IsValid = false };
activeAwareCommand.RegisterCommand(commandOne);
activeAwareCommand.RegisterCommand(commandTwo);
Assert.True(activeAwareCommand.CanExecute(null));
activeAwareCommand.UnregisterCommand(commandOne);
Assert.False(activeAwareCommand.CanExecute(null));
}