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 /*
  25  * @test
  26  * @key headful
  27  * @bug 6918861
  28  * @summary SynthSliderUI.uninstallDefaults() is not called when UI is uninstalled
  29  * @author Pavel Porvatov
  30  * @run main bug6918861
  31  */
  32 
  33 import javax.swing.*;
  34 import javax.swing.plaf.synth.SynthLookAndFeel;
  35 import javax.swing.plaf.synth.SynthSliderUI;
  36 
  37 public class bug6918861 {
  38     public static void main(String[] args) throws Exception {
  39         UIManager.setLookAndFeel(new SynthLookAndFeel());
  40 
  41         SwingUtilities.invokeAndWait(new Runnable() {
  42             public void run() {
  43                 JSlider slider = new JSlider();
  44 
  45                 HackedSynthSliderUI ui = new HackedSynthSliderUI(slider);
  46 
  47                 slider.setUI(ui);
  48 
  49                 if (ui.counter != 111) {
  50                     throw new RuntimeException("Some installers of SynthSliderUI weren't invoked");
  51                 }
  52 
  53                 slider.setUI(null);
  54 
  55                 if (ui.counter != 0) {
  56                     throw new RuntimeException("Some uninstallers of SynthSliderUI weren't invoked");
  57                 }
  58             }
  59         });
  60     }
  61 
  62     private static class HackedSynthSliderUI extends SynthSliderUI {
  63         private int counter;
  64 
  65         protected HackedSynthSliderUI(JSlider c) {
  66             super(c);
  67         }
  68 
  69         protected void installDefaults(JSlider slider) {
  70             super.installDefaults(slider);
  71 
  72             counter += 1;
  73         }
  74 
  75         protected void uninstallDefaults(JSlider slider) {
  76             super.uninstallDefaults(slider);
  77 
  78             counter -= 1;
  79         }
  80 
  81         protected void installListeners(JSlider slider) {
  82             super.installListeners(slider);
  83 
  84             counter += 10;
  85         }
  86 
  87         protected void uninstallListeners(JSlider slider) {
  88             super.uninstallListeners(slider);
  89 
  90             counter -= 10;
  91         }
  92 
  93         protected void installKeyboardActions(JSlider slider) {
  94             super.installKeyboardActions(slider);
  95 
  96             counter += 100;
  97         }
  98 
  99         protected void uninstallKeyboardActions(JSlider slider) {
 100             super.uninstallKeyboardActions(slider);
 101 
 102             counter -= 100;
 103         }
 104     }
 105 }