1 /*
   2  * Copyright (c) 2013, 2015, 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.
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  23 
  24 /*
  25  * @test
  26  * @bug 8012933
  27  * @summary Tests (although somewhat indirectly) that createNewAppContext()
  28  * immediately followed by dispose() works correctly
  29  * @author Leonid Romanov
  30  * @modules java.desktop/sun.awt
  31  */
  32 
  33 import sun.awt.SunToolkit;
  34 import sun.awt.AppContext;
  35 
  36 public class Test8012933 {
  37     private AppContext appContext = null;
  38     final ThreadGroup threadGroup = new ThreadGroup("test thread group");
  39     final Object lock = new Object();
  40     boolean isCreated = false;
  41 
  42     public static void main(String[] args) throws Exception {
  43         SunToolkit.createNewAppContext();
  44         new Test8012933().test();
  45     }
  46 
  47     private void test() throws Exception {
  48         createAppContext();
  49         long startTime = System.currentTimeMillis();
  50         appContext.dispose();
  51         long endTime = System.currentTimeMillis();
  52 
  53         // In case of the bug, calling dispose() when there is no EQ
  54         // dispatch thread running fails to create it, so it takes
  55         // almost 10 sec to return from dispose(), which is spent
  56         // waiting on the notificationLock.
  57         if ((endTime - startTime) > 9000) {
  58             throw new RuntimeException("Returning from dispose() took too much time, probably a bug");
  59         }
  60     }
  61 
  62     private void createAppContext() {
  63         isCreated = false;
  64         final Runnable runnable = new Runnable() {
  65                 public void run() {
  66                     appContext = SunToolkit.createNewAppContext();
  67                     synchronized (lock) {
  68                         isCreated = true;
  69                         lock.notifyAll();
  70                     }
  71                 }
  72             };
  73 
  74         final Thread thread = new Thread(threadGroup, runnable, "creates app context");
  75         synchronized (lock) {
  76             thread.start();
  77             while (!isCreated) {
  78                 try {
  79                     lock.wait();
  80                 } catch (InterruptedException ie) {
  81                     ie.printStackTrace();
  82                 }
  83             }
  84         }
  85 
  86         if (appContext == null) {
  87             throw new RuntimeException("failed to create app context.");
  88         } else {
  89             System.out.println("app context was created.");
  90         }
  91     }
  92 
  93 }