Quelle  Test6660049.java

/*
 * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @key headful
 * @bug 6660049 6849518
 * @summary Tests the Region initialization
 * @author Sergey Malenkov
 * @modules java.desktop/sun.awt
 */

import sun.awt.SunToolkit;

import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.SwingUtilities;
import javax.swing.plaf.synth.Region;
import javax.swing.plaf.synth.SynthLookAndFeel;

public class Test6660049 implements Runnable {
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Test6660049(
                javax.swing.JButton.class,
                javax.swing.JCheckBox.class,
                javax.swing.JCheckBoxMenuItem.class,
                javax.swing.JColorChooser.class,
                javax.swing.JComboBox.class,
                javax.swing.JDesktopPane.class,
                javax.swing.JEditorPane.class,
                javax.swing.JFileChooser.class,
                javax.swing.JFormattedTextField.class,
                javax.swing.JInternalFrame.class,
                javax.swing.JLabel.class,
                javax.swing.JList.class,
                javax.swing.JMenu.class,
                javax.swing.JMenuBar.class,
                javax.swing.JMenuItem.class,
                javax.swing.JOptionPane.class,
                javax.swing.JPanel.class,
                javax.swing.JPasswordField.class,
                javax.swing.JPopupMenu.class,
                javax.swing.JProgressBar.class,
                javax.swing.JRadioButton.class,
                javax.swing.JRadioButtonMenuItem.class,
                javax.swing.JRootPane.class,
                javax.swing.JScrollBar.class,
                javax.swing.JScrollPane.class,
                javax.swing.JSeparator.class,
                javax.swing.JSlider.class,
                javax.swing.JSpinner.class,
                javax.swing.JSplitPane.class,
                javax.swing.JTabbedPane.class,
                javax.swing.JTable.class,
                javax.swing.JTextArea.class,
                javax.swing.JTextField.class,
                javax.swing.JTextPane.class,
                javax.swing.JToggleButton.class,
                javax.swing.JToolBar.class,
                javax.swing.JToolTip.class,
                javax.swing.JTree.class,
                javax.swing.JViewport.class,
                javax.swing.table.JTableHeader.class));
    }

    private final Class<? extends JComponent>[] types;
    private final Region region;

    private Test6660049(Class<? extends JComponent>... types) {
        this.types = types;
        run();

        this.region = new Region("Button", "ButtonUI", true) {
            @Override
            public String getName() {
                throw new Error("6660049: exploit is available");
            }
        };
    }

    public void run() {
        if (this.region != null) {
            SunToolkit.createNewAppContext();
        }
        for (Class<? extends JComponent> type : this.types) {
            Region region = getRegion(type);
            if (region == null) {
                throw new Error("6849518: region is not initialized");
            }
        }
        getRegion(JButton.class).getName();
    }

    private static Region getRegion(Class<? extends JComponent> type) {
        try {
            return SynthLookAndFeel.getRegion(type.newInstance());
        }
        catch (IllegalAccessException exception) {
            throw new Error("unexpected exception", exception);
        }
        catch (InstantiationException exception) {
            throw new Error("unexpected exception", exception);
        }
    }
}