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. 22 */ 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 }