1 /* 2 * Copyright (c) 2011, 2014, 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 * @test 25 * @bug 6578666 26 * @summary REGRESSION: Exception occurs when updateUI for JTree is triggered by KeyEvent 27 * @run main bug6578666 28 * @author Alexander Potochkin 29 */ 30 31 import javax.swing.*; 32 import java.awt.*; 33 import java.awt.event.KeyAdapter; 34 import java.awt.event.KeyEvent; 35 36 public class bug6578666 { 37 38 private static JTree tree; 39 40 private static void createGui() { 41 final JFrame frame = new JFrame(); 42 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 43 44 tree = new JTree(); 45 frame.add(tree); 46 47 tree.addKeyListener(new KeyAdapter() { 48 public void keyPressed(KeyEvent e) { 49 tree.updateUI(); 50 } 51 }); 52 53 frame.setSize(200, 200); 54 frame.setLocationRelativeTo(null); 55 frame.setVisible(true); 56 } 57 58 public static void main(String[] args) throws Exception { 59 Robot robot = new Robot(); 60 robot.setAutoDelay(10); 61 62 SwingUtilities.invokeAndWait(new Runnable() { 63 public void run() { 64 bug6578666.createGui(); 65 } 66 }); 67 68 robot.waitForIdle(); 69 70 tree.requestFocus(); 71 robot.waitForIdle(); 72 73 robot.keyPress(KeyEvent.VK_SPACE); 74 robot.keyRelease(KeyEvent.VK_SPACE); 75 robot.waitForIdle(); 76 robot.keyPress(KeyEvent.VK_SPACE); 77 robot.keyRelease(KeyEvent.VK_SPACE); 78 79 } 80 }