1 /*
   2  * Copyright (c) 2009, 2010, 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 4913324
  27   @author Oleg Sukhodolsky: area=eventqueue
  28   @run main/timeout=30 PushPopTest
  29 */
  30 
  31 import java.awt.*;
  32 import java.awt.event.*;
  33 import java.util.EmptyStackException;
  34 import sun.awt.SunToolkit;
  35 
  36 public class PushPopTest {
  37 
  38     public static Frame frame;
  39     public static void main(String[] args) {
  40         frame = new Frame("");
  41         frame.pack();
  42 
  43         Runnable dummy = new Runnable() {
  44                 public void run() {
  45                     System.err.println("Dummy is here.");
  46                     System.err.flush();
  47                 }
  48             };
  49         EventQueue seq = Toolkit.getDefaultToolkit().getSystemEventQueue();
  50         MyEventQueue1 eq1 = new MyEventQueue1();
  51         MyEventQueue2 eq2 = new MyEventQueue2();
  52         EventQueue.invokeLater(dummy);
  53 
  54         seq.push(eq1);
  55         EventQueue.invokeLater(dummy);
  56 
  57         eq1.push(eq2);
  58         EventQueue.invokeLater(dummy);
  59         Runnable runnable = new Runnable() {
  60                 public void run() {
  61                     System.err.println("Dummy from SunToolkit");
  62                     System.err.flush();
  63                 }
  64             };
  65         InvocationEvent ie = new InvocationEvent(eq2, runnable, null, false);
  66 //        System.err.println(ie);
  67         SunToolkit.postEvent(SunToolkit.targetToAppContext(frame), ie);
  68         eq1.pop();
  69         frame.dispose();
  70     }
  71 }
  72 
  73 class MyEventQueue1 extends EventQueue {
  74 
  75     public void pop() {
  76         super.pop();
  77     }
  78 }
  79 
  80 class MyEventQueue2 extends EventQueue {
  81 
  82     protected void pop() {
  83         System.err.println("pop2()");
  84         Thread.dumpStack();
  85         try {
  86             EventQueue.invokeAndWait(new Runnable() {
  87                     public void run() {
  88                         Runnable runnable = new Runnable() {
  89                                 public void run() {
  90                                     System.err.println("Dummy from pop");
  91                                     System.err.flush();
  92                                 }
  93                              };
  94                         InvocationEvent ie = new InvocationEvent(MyEventQueue2.this, runnable, null, false);
  95                         SunToolkit.postEvent(SunToolkit.targetToAppContext(PushPopTest.frame), ie);
  96                         postEvent(ie);
  97                     }
  98                 });
  99         } catch (InterruptedException ie) {
 100             ie.printStackTrace();
 101         } catch (java.lang.reflect.InvocationTargetException ie) {
 102             ie.printStackTrace();
 103         }
 104         super.pop();
 105     }
 106 }