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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

/*
 * @test
 * @bug 4627806
 * @key headful
 * @summary MetalRootPaneUI calls validate() instead of revalidate()
 * @run main bug4627806
 */

public class bug4627806 {
    private static JFrame frame;

    public static void main(String[] args) throws Exception {
        try {
            UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
            SwingUtilities.invokeAndWait(() -> {
                frame = new JFrame("Test");
                JPanel p = new JPanel();
                JMenuItem c = new JMenuItem();
                p.add(c);
                frame.getContentPane().add(p);
                frame.pack();
                c.getUI().uninstallUI(c);
                JRootPane rootPane = frame.getRootPane();
                rootPane.getUI().uninstallUI(rootPane);
                System.out.println("Test Passed!");
            });
        } finally {
            SwingUtilities.invokeAndWait(() -> {
                if (frame != null) {
                    frame.dispose();
                }
            });
        }
    }
}