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final Component c = new JButton(); c.setVisible(true); c.setEnabled(true); c.setFocusable(true); c.addNotify(); assertTrue(new DefaultFocusTraversalPolicy().accept(c)); } }
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public class HeadlessTest extends TestCase { public void testJButton(){ JButton jb = new JButton(); jb.addNotify(); } public void testJPanel(){ JPanel jp = new JPanel(); jp.addNotify();