public void ChangingSelectedDotColourRaisesPropertyChangedEvent()
{
var propertyName = string.Empty;
_mainWindowViewModel.PropertyChanged += (_, e) => propertyName = e.PropertyName;
_mainWindowViewModel.SelectedDotColour = _mainWindowViewModel.DotColours[10];
DispatcherTestHelper.ProcessWorkItems(DispatcherPriority.Background);
Assert.That(propertyName, Is.EqualTo("SelectedDotColour"));
}
public void ExecutingTheClearCommandRaisesCanExecuteChangedOnTheSolveCommand()
{
var wasRaised = false;
_mainWindowViewModel.SolveCommand.CanExecuteChanged += (_, __) => wasRaised = true;
_mainWindowViewModel.ClearCommand.Execute(null);
DispatcherTestHelper.ProcessWorkItems(DispatcherPriority.Background);
Assert.That(wasRaised, Is.True, "Expected the mainWindowViewModel.SolveCommand.CanExecuteChanged event to have been raised");
Assert.That(_mainWindowViewModel.SolveCommand.CanExecute(null), Is.False, "Expected mainWindowViewModel.SolveCommand.CanExecute() to return false");
}
public void ChangingStatusMessageRaisesPropertyChangedEvent()
{
const string expectedPropertyName = "StatusMessage";
var propertyName = string.Empty;
_mainWindowViewModel.PropertyChanged += (_, e) =>
{ if (e.PropertyName == expectedPropertyName)
{
propertyName = e.PropertyName;
}
};
_mainWindowViewModel.SelectedGridChangedCommand.Execute(null);
DispatcherTestHelper.ProcessWorkItems(DispatcherPriority.Background);
Assert.That(propertyName, Is.EqualTo(expectedPropertyName));
}
