CanExecute() public method

public CanExecute ( object parameter ) : bool
parameter object
return bool
 public void CanExecute_ReturnsFalseWhenIsEnabledIsFalse()
 {
     var command = new ActionCommand(_ => { }) { IsEnabled = false };
     Assert.IsFalse(command.CanExecute(null));
 }
 public void CanExecute_IsTrueByDefault()
 {
     var command = new ActionCommand(_ => { });
     Assert.IsTrue(command.CanExecute(null));
 }