Java example source code file (bug6559589.java)

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Java - Java tags/keywords

gui, jscrollpane, listeners, metallookandfeel, runnable, runtimeexception, swing

The bug6559589.java Java example source code

/*
 * Copyright (c) 2010, 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
 * @bug 6559589
 * @summary Memory leak in JScrollPane.updateUI()
 * @author Alexander Potochkin
 * @run main bug6559589
 */

import javax.swing.*;
import javax.swing.plaf.metal.MetalLookAndFeel;

public class bug6559589 {

    private static void createGui() {
        JScrollPane sp = new JScrollPane();
        int listenerCount = sp.getPropertyChangeListeners().length;
        sp.updateUI();
        if(listenerCount != sp.getPropertyChangeListeners().length) {
            throw new RuntimeException("Listeners' leak");
        }
    }

    public static void main(String[] args) throws Exception {
        UIManager.setLookAndFeel(new MetalLookAndFeel());
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                bug6559589.createGui();
            }
        });
    }
}