1 /*
   2  * Copyright (c) 2002, 2016, 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.
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  23 
  24 /*
  25  * @test
  26  * @key headful
  27  * @bug 4177735
  28  * @summary Tests that JColorChooser leaves no threads when disposed
  29  * @author Shannon Hickey
  30  */
  31 
  32 import java.awt.Point;
  33 import javax.swing.JColorChooser;
  34 import javax.swing.JDialog;
  35 import javax.swing.SwingUtilities;
  36 import javax.swing.colorchooser.AbstractColorChooserPanel;
  37 
  38 public class Test4177735 implements Runnable {
  39     private static final long DELAY = 1000L;
  40 
  41     public static void main(String[] args) throws Exception {
  42         int hsvIndex = 0;
  43         int panelsLength;
  44         int finalIndex;
  45         JColorChooser chooser = new JColorChooser();
  46         AbstractColorChooserPanel[] panels = chooser.getChooserPanels();
  47         panelsLength = panels.length;
  48 
  49         for(int i = 0; i < panelsLength; i++) {
  50             if(panels[i].getDisplayName().equals("HSV")) {
  51                 hsvIndex = i;
  52             }
  53         }
  54         finalIndex = Math.min(hsvIndex, panelsLength - 1);
  55         chooser.setChooserPanels(new AbstractColorChooserPanel[] { panels[finalIndex] });
  56 
  57         JDialog dialog = show(chooser);
  58         pause(DELAY);
  59 
  60         dialog.dispose();
  61         pause(DELAY);
  62 
  63         Test4177735 test = new Test4177735();
  64         SwingUtilities.invokeAndWait(test);
  65         if (test.count != 0) {
  66             throw new Error("JColorChooser leaves " + test.count + " threads running");
  67         }
  68     }
  69 
  70     static JDialog show(JColorChooser chooser) {
  71         JDialog dialog = JColorChooser.createDialog(null, null, false, chooser, null, null);
  72         dialog.setVisible(true);
  73         // block till displayed
  74         Point point = null;
  75         while (point == null) {
  76             try {
  77                 point = dialog.getLocationOnScreen();
  78             }
  79             catch (IllegalStateException exception) {
  80                 pause(DELAY);
  81             }
  82         }
  83         return dialog;
  84     }
  85 
  86     private static void pause(long delay) {
  87         try {
  88             Thread.sleep(delay);
  89         }
  90         catch (InterruptedException exception) {
  91         }
  92     }
  93 
  94     private int count;
  95 
  96     public void run() {
  97         ThreadGroup group = Thread.currentThread().getThreadGroup();
  98         Thread[] threads = new Thread[group.activeCount()];
  99         int count = group.enumerate(threads, false);
 100         for (int i = 0; i < count; i++) {
 101             String name = threads[i].getName();
 102             if ("SyntheticImageGenerator".equals(name)) { // NON-NLS: thread name
 103                 this.count++;
 104             }
 105         }
 106     }
 107 }