1 /* 2 * Copyright (c) 2017, 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 8182577 27 * @summary Verifies if moving focus via custom ButtonModel causes crash 28 * @key headful 29 * @run main DefaultButtonModelCrashTest 30 */ 31 32 import java.awt.BorderLayout; 33 import java.awt.Container; 34 import java.awt.Point; 35 import java.awt.Robot; 36 import java.awt.event.KeyEvent; 37 import javax.swing.ButtonModel; 38 import javax.swing.DefaultButtonModel; 39 import javax.swing.JCheckBox; 40 import javax.swing.JComponent; 41 import javax.swing.JFrame; 42 import javax.swing.JPanel; 43 import javax.swing.JTextField; 44 import javax.swing.SwingUtilities; 45 46 public class DefaultButtonModelCrashTest { 47 private JFrame frame = null; 48 private JPanel panel; 49 private volatile Point p = null; 50 51 public static void main(String[] args) throws Exception { 52 new DefaultButtonModelCrashTest(); 53 } 54 55 public DefaultButtonModelCrashTest() throws Exception { 56 try { 57 Robot robot = new Robot(); 58 robot.setAutoDelay(200); 59 SwingUtilities.invokeAndWait(() -> go()); 60 robot.waitForIdle(); 61 robot.keyPress(KeyEvent.VK_TAB); 62 robot.keyRelease(KeyEvent.VK_TAB); 63 robot.delay(100); 64 robot.keyPress(KeyEvent.VK_TAB); 65 robot.keyRelease(KeyEvent.VK_TAB); 66 } finally { 67 if (frame != null) { SwingUtilities.invokeAndWait(()->frame.dispose()); } 68 } 69 } 70 71 private void go() { 72 73 frame = new JFrame(); 74 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 75 Container contentPane = frame.getContentPane(); 76 ButtonModel model = new DefaultButtonModel(); 77 78 JCheckBox check = new JCheckBox("a bit broken"); 79 check.setModel(model); 80 panel = new JPanel(new BorderLayout()); 81 panel.add(new JTextField("Press Tab (twice?)"), BorderLayout.NORTH); 82 panel.add(check); 83 contentPane.add(panel); 84 frame.setLocationRelativeTo(null); 85 frame.pack(); 86 frame.setVisible(true); 87 } 88 }