1 /*
   2  * Copyright (c) 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25  * @bug 6918861
  26  * @summary SynthSliderUI.uninstallDefaults() is not called when UI is uninstalled
  27  * @author Pavel Porvatov
  28  * @run main bug6918861
  29  */
  30 
  31 import javax.swing.*;
  32 import javax.swing.plaf.synth.SynthLookAndFeel;
  33 import javax.swing.plaf.synth.SynthSliderUI;
  34 
  35 public class bug6918861 {
  36     public static void main(String[] args) throws Exception {
  37         UIManager.setLookAndFeel(new SynthLookAndFeel());
  38 
  39         SwingUtilities.invokeAndWait(new Runnable() {
  40             public void run() {
  41                 JSlider slider = new JSlider();
  42 
  43                 HackedSynthSliderUI ui = new HackedSynthSliderUI(slider);
  44 
  45                 slider.setUI(ui);
  46 
  47                 if (ui.counter != 111) {
  48                     throw new RuntimeException("Some installers of SynthSliderUI weren't invoked");
  49                 }
  50 
  51                 slider.setUI(null);
  52 
  53                 if (ui.counter != 0) {
  54                     throw new RuntimeException("Some uninstallers of SynthSliderUI weren't invoked");
  55                 }
  56             }
  57         });
  58     }
  59 
  60     private static class HackedSynthSliderUI extends SynthSliderUI {
  61         private int counter;
  62 
  63         protected HackedSynthSliderUI(JSlider c) {
  64             super(c);
  65         }
  66 
  67         protected void installDefaults(JSlider slider) {
  68             super.installDefaults(slider);
  69 
  70             counter += 1;
  71         }
  72 
  73         protected void uninstallDefaults(JSlider slider) {
  74             super.uninstallDefaults(slider);
  75 
  76             counter -= 1;
  77         }
  78 
  79         protected void installListeners(JSlider slider) {
  80             super.installListeners(slider);
  81 
  82             counter += 10;
  83         }
  84 
  85         protected void uninstallListeners(JSlider slider) {
  86             super.uninstallListeners(slider);
  87 
  88             counter -= 10;
  89         }
  90 
  91         protected void installKeyboardActions(JSlider slider) {
  92             super.installKeyboardActions(slider);
  93 
  94             counter += 100;
  95         }
  96 
  97         protected void uninstallKeyboardActions(JSlider slider) {
  98             super.uninstallKeyboardActions(slider);
  99 
 100             counter -= 100;
 101         }
 102     }
 103 }