1 /*

     2  * Copyright 2010 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /* @test

    25  * @bug 6953396

    26  * @summary javax.swing.plaf.basic.BasicViewportUI.uninstallDefaults() is not called when UI is uninstalled

    27  * @author Alexander Potochkin

    28  */

    29 

    30 import javax.swing.*;

    31 import javax.swing.plaf.basic.BasicViewportUI;

    32 

    33 public class bug6953396 {

    34     static volatile boolean flag;

    35 

    36     public static void main(String[] args) throws Exception {

    37         SwingUtilities.invokeAndWait(new Runnable() {

    38             @Override

    39             public void run() {

    40                 BasicViewportUI ui = new BasicViewportUI() {

    41 

    42                     @Override

    43                     protected void installDefaults(JComponent c) {

    44                         super.installDefaults(c);

    45                         flag = true;

    46                     }

    47 

    48                     @Override

    49                     protected void uninstallDefaults(JComponent c) {

    50                         super.uninstallDefaults(c);

    51                         flag = false;

    52                     }

    53                 };

    54 

    55                 JViewport viewport = new JViewport();

    56                 viewport.setUI(ui);

    57                 viewport.setUI(null);

    58             }

    59         });

    60         if (flag) {

    61             throw new RuntimeException("uninstallDefaults() hasn't been called");

    62         }

    63     }

    64 }