1 /*
   2  * Copyright (c) 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 8165555
  28  * @summary VM crash after creating Robot second time and accessing key codes in
  29  *          single JVM mode.
  30  * @run main RobotCrash
  31  */
  32 import java.awt.Frame;
  33 import java.awt.Robot;
  34 import java.awt.event.KeyEvent;
  35 import javax.swing.SwingUtilities;
  36 
  37 public class RobotCrash implements Runnable {
  38 
  39     private static Frame frame;
  40 
  41     public void createRobot() throws Exception {
  42 
  43         SwingUtilities.invokeAndWait(new Runnable() {
  44             @Override
  45             public void run() {
  46                 frame = new Frame();
  47                 frame.setSize(300, 300);
  48                 frame.setVisible(true);
  49             }
  50         });
  51 
  52         Robot robot = new Robot();
  53         robot.keyPress(KeyEvent.VK_ENTER);
  54         robot.waitForIdle();
  55         robot.keyRelease(KeyEvent.VK_ENTER);
  56         robot.waitForIdle();
  57         
  58         SwingUtilities.invokeAndWait(new Runnable() {
  59             @Override
  60             public void run() {
  61                 frame.dispose();
  62             }
  63         });
  64     }
  65 
  66     @Override
  67     public void run() {
  68         try {
  69             createRobot();
  70         } catch (Exception e) {
  71         }
  72     }
  73 
  74     public static void main(String[] args) throws Exception {
  75         Thread t1 = new Thread(new RobotCrash());
  76         t1.start();
  77         t1.join();
  78         Thread t2 = new Thread(new RobotCrash());
  79         t2.start();
  80         t2.join();
  81     }
  82 }