/*
* Class under test for void iconifyFrame(JInternalFrame)
*/
public void testIconifyFrame() {
frame.setUI(ui);
JDesktopPane desktop = new JDesktopPane();
desktop.setSize(new Dimension(100, 200));
desktop.add(frame);
ui.iconifyFrame(frame);
assertTrue("iconified", desktop.isAncestorOf(frame.getDesktopIcon()));
}