1 /*
   2  * Copyright (c) 2013, 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 import java.util.logging.Logger;
  24 import sun.awt.AppContext;
  25 import sun.awt.SunToolkit;
  26 
  27 
  28 /**
  29  * @test
  30  * @bug 8026404
  31  * @summary checks that calling getLogger() from a Thread whose ThreadGroup is
  32  *          a child of the main root group doesn't throw an exception.
  33  * @build TestMainAppContext
  34  * @run main/othervm TestMainAppContext
  35  * @author danielfuchs
  36  */
  37 public class TestMainAppContext {
  38 
  39     static volatile Throwable thrown = null;
  40 
  41     public static void main(String... args) throws Exception {
  42         ThreadGroup rootTG = Thread.currentThread().getThreadGroup();
  43         while (rootTG.getParent() != null) {
  44             rootTG = rootTG.getParent();
  45         }
  46 
  47         ThreadGroup tg = new ThreadGroup(rootTG, "FakeApplet");
  48         final Thread t1 = new Thread(tg, "createNewAppContext") {
  49             @Override
  50             public void run() {
  51                 try {
  52                     AppContext context = SunToolkit.createNewAppContext();
  53                 } catch(Throwable t) {
  54                     thrown = t;
  55                 }
  56             }
  57         };
  58         t1.start();
  59         t1.join();
  60         if (thrown != null) {
  61             throw new RuntimeException("Unexpected exception: " + thrown, thrown);
  62         }
  63         Thread t2 = new Thread(tg, "BugDetector") {
  64 
  65             @Override
  66             public void run() {
  67                 try {
  68                     Logger.getLogger("foo").info("Done");
  69                 } catch (Throwable x) {
  70                     thrown = x;
  71                 }
  72             }
  73 
  74         };
  75 
  76         System.setSecurityManager(new SecurityManager());
  77         t2.start();
  78         t2.join();
  79         if (thrown != null) {
  80             throw new RuntimeException("Test failed: " + thrown, thrown);
  81         }
  82 
  83     }
  84 
  85 }