1 /* 2 * Copyright (c) 2013, 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 * @summary JVM crash if the frame is disposed in DropTargetListener 27 * @key headful 28 * @author Petr Pchelko 29 * @library ../../regtesthelpers 30 * @build Util 31 * @compile DisposeFrameOnDragTest.java 32 * @run main/othervm DisposeFrameOnDragTest 33 */ 34 import java.awt.AWTException; 35 import java.awt.Point; 36 import java.awt.Robot; 37 import java.awt.dnd.DropTargetAdapter; 38 import java.awt.dnd.DropTargetDragEvent; 39 import java.awt.dnd.DropTargetDropEvent; 40 import java.awt.event.InputEvent; 41 import java.lang.reflect.InvocationTargetException; 42 import java.util.TooManyListenersException; 43 import javax.swing.JFrame; 44 import javax.swing.JTextArea; 45 import javax.swing.SwingUtilities; 46 import test.java.awt.regtesthelpers.Util; 47 48 public class DisposeFrameOnDragTest { 49 50 private static JTextArea textArea; 51 52 public static void main(String[] args) throws Throwable { 53 54 SwingUtilities.invokeAndWait(new Runnable() { 55 @Override 56 public void run() { 57 constructTestUI(); 58 } 59 }); 60 61 Robot testRobot = null; 62 try { 63 testRobot = new Robot(); 64 } catch(AWTException ex) { 65 throw new RuntimeException("Error while creating Robot"); 66 } 67 68 Util.waitForIdle(testRobot); 69 70 Point loc = textArea.getLocationOnScreen(); 71 Util.drag(testRobot, 72 new Point((int) loc.x + 3, (int) loc.y + 3), 73 new Point((int) loc.x + 40, (int) loc.y + 40), 74 InputEvent.BUTTON1_MASK); 75 76 Util.waitForIdle(testRobot); 77 78 testRobot.delay(200); 79 } 80 81 private static void constructTestUI() { 82 final JFrame frame = new JFrame("Test frame"); 83 textArea = new JTextArea("Drag Me!"); 84 try { 85 textArea.getDropTarget().addDropTargetListener(new DropTargetAdapter() { 86 @Override 87 public void drop(DropTargetDropEvent dtde) { 88 //IGNORE 89 } 90 91 @Override 92 public void dragOver(DropTargetDragEvent dtde) { 93 frame.dispose(); 94 } 95 }); 96 } catch (TooManyListenersException ex) { 97 throw new RuntimeException(ex); 98 } 99 textArea.setSize(100, 100); 100 textArea.setDragEnabled(true); 101 textArea.select(0, textArea.getText().length()); 102 frame.add(textArea); 103 frame.setBounds(100, 100, 100, 100); 104 frame.setVisible(true); 105 } 106 }