@Test
public void testOnClosing()
{
WindowEvent event = createWindowEvent(WindowEvent.WINDOW_CLOSING);
MultifunctionalWindowListener listener = new MultifunctionalWindowListener();
Assert.assertTrue(window.isDisplayable());
listener.windowClosing(event);
Assert.assertTrue(window.isDisplayable());
listener = MultifunctionalWindowListener.createDisposeOnClosingListener();
listener.windowClosing(event);
Assert.assertFalse(window.isDisplayable());
}