1 /* 2 * Copyright (c) 2002, 2008, 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 * @bug 4177735 27 * @summary Tests that JColorChooser leaves no threads when disposed 28 * @author Shannon Hickey 29 */ 30 31 import java.awt.Point; 32 import javax.swing.JColorChooser; 33 import javax.swing.JDialog; 34 import javax.swing.SwingUtilities; 35 import javax.swing.colorchooser.AbstractColorChooserPanel; 36 37 public class Test4177735 implements Runnable { 38 private static final long DELAY = 1000L; 39 40 public static void main(String[] args) throws Exception { 41 int hsvIndex = 0; 42 int panelsLength; 43 int finalIndex; 44 JColorChooser chooser = new JColorChooser(); 45 AbstractColorChooserPanel[] panels = chooser.getChooserPanels(); 46 panelsLength = panels.length; 47 48 for(int i = 0; i < panelsLength; i++) { 49 if(panels[i].getDisplayName().equals("HSV")) { 50 hsvIndex = i; 51 } 52 } 53 finalIndex = Math.min(hsvIndex, panelsLength - 1); 54 chooser.setChooserPanels(new AbstractColorChooserPanel[] { panels[finalIndex] }); 55 56 JDialog dialog = show(chooser); 57 pause(DELAY); 58 59 dialog.dispose(); 60 pause(DELAY); 61 62 Test4177735 test = new Test4177735(); 63 SwingUtilities.invokeAndWait(test); 64 if (test.count != 0) { 65 throw new Error("JColorChooser leaves " + test.count + " threads running"); 66 } 67 } 68 69 static JDialog show(JColorChooser chooser) { 70 JDialog dialog = JColorChooser.createDialog(null, null, false, chooser, null, null); 71 dialog.setVisible(true); 72 // block till displayed 73 Point point = null; 74 while (point == null) { 75 try { 76 point = dialog.getLocationOnScreen(); 77 } 78 catch (IllegalStateException exception) { 79 pause(DELAY); 80 } 81 } 82 return dialog; 83 } 84 85 private static void pause(long delay) { 86 try { 87 Thread.sleep(delay); 88 } 89 catch (InterruptedException exception) { 90 } 91 } 92 93 private int count; 94 95 public void run() { 96 ThreadGroup group = Thread.currentThread().getThreadGroup(); 97 Thread[] threads = new Thread[group.activeCount()]; 98 int count = group.enumerate(threads, false); 99 for (int i = 0; i < count; i++) { 100 String name = threads[i].getName(); 101 if ("SyntheticImageGenerator".equals(name)) { // NON-NLS: thread name 102 this.count++; 103 } 104 } 105 } 106 }