public void ChangingArgsAreSetCorrectly()
{
LifeCycleButton button = new LifeCycleButton();
Assert.IsNull(button.Handler);
var firstHandler = new HandlerStub();
button.Handler = firstHandler;
Assert.AreEqual(button.LastHandlerChangingEventArgs.NewHandler, firstHandler);
Assert.IsNull(button.LastHandlerChangingEventArgs.OldHandler);
var secondHandler = new HandlerStub();
button.Handler = secondHandler;
Assert.AreEqual(button.LastHandlerChangingEventArgs.OldHandler, firstHandler);
Assert.AreEqual(button.LastHandlerChangingEventArgs.NewHandler, secondHandler);
button.Handler = null;
Assert.AreEqual(button.LastHandlerChangingEventArgs.OldHandler, secondHandler);
Assert.AreEqual(button.LastHandlerChangingEventArgs.NewHandler, null);
Assert.AreEqual(3, button.changing);
Assert.AreEqual(3, button.changed);
}
public void VirtualViewSet()
{
Button button = new Button();
HandlerStub handlerStub = new HandlerStub();
button.Handler = handlerStub;
Assert.IsNotNull(handlerStub.VirtualView);
}