1 /*
   2  * Copyright (c) 2012, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /**
  27  * @test PostEventOrderingTest.java
  28  * @bug 4171596 6699589
  29  * @summary Checks that the posting of events between the PostEventQueue
  30  * @summary and the EventQueue maintains proper ordering.
  31  * @run main PostEventOrderingTest
  32  * @author fredx
  33  */
  34 
  35 import java.awt.*;
  36 import java.awt.event.*;
  37 import sun.awt.AppContext;
  38 import sun.awt.SunToolkit;
  39 
  40 public class PostEventOrderingTest {
  41     static boolean testPassed = true;
  42 
  43     public static void main(String[] args) throws Throwable {
  44         EventQueue q = Toolkit.getDefaultToolkit().getSystemEventQueue();
  45         for (int i = 0; i < 100; i++) {
  46             for (int j = 0; j < 100; j++) {
  47                 q.postEvent(new PostActionEvent());
  48                 for (int k = 0; k < 10; k++) {
  49                     SunToolkit.postEvent(AppContext.getAppContext(), new PostActionEvent());
  50                 }
  51             }
  52             for (int k = 0; k < 100; k++) {
  53                 SunToolkit.postEvent(AppContext.getAppContext(), new PostActionEvent());
  54             }
  55         }
  56 
  57         for (;;) {
  58             Thread.currentThread().sleep(100);
  59             if (q.peekEvent() == null) {
  60                 Thread.currentThread().sleep(100);
  61                 if (q.peekEvent() == null)
  62                     break;
  63             }
  64         }
  65 
  66         if (!testPassed) {
  67             throw new Exception("PostEventOrderingTest FAILED -- events dispatched out of order.");
  68         } else {
  69             System.out.println("PostEventOrderingTest passed!");
  70         }
  71     }
  72 }
  73 
  74 class PostActionEvent extends ActionEvent implements ActiveEvent {
  75     static int counter = 0;
  76     static int mostRecent = -1;
  77 
  78     int myval;
  79 
  80     public PostActionEvent() {
  81         super("", ACTION_PERFORMED, "" + counter);
  82         myval = counter++;
  83     }
  84 
  85     public void dispatch() {
  86         //System.out.println("myval = "+myval+", mostRecent = "+mostRecent+", diff = "+(myval-mostRecent)+".");
  87         if ((myval - mostRecent) != 1)
  88             PostEventOrderingTest.testPassed = false;
  89         mostRecent = myval;
  90     }
  91 }