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.

     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 /* @test

    25    @bug 7146146

    26    @summary Deadlock between subclass of AbstractDocument and UndoManager

    27    @author Pavel Porvatov

    28 */

    29 

    30 import javax.swing.text.BadLocationException;

    31 import javax.swing.text.PlainDocument;

    32 import javax.swing.text.StringContent;

    33 import javax.swing.undo.UndoManager;

    34 

    35 public class bug7146146 {

    36     public static void main(String[] args) throws Exception {

    37         for (int i = 0; i < 1000; i++) {

    38             System.out.print("Iteration " + i);

    39 

    40             test();

    41 

    42             System.out.print(" passed");

    43         }

    44     }

    45 

    46     private static void test() throws Exception {

    47         final PlainDocument doc = new PlainDocument(new StringContent());

    48         final UndoManager undoManager = new UndoManager();

    49 

    50         doc.addUndoableEditListener(undoManager);

    51         doc.insertString(0, "<Test 1>", null);

    52 

    53         Thread t1 = new Thread("Thread 1") {

    54             @Override

    55             public void run() {

    56                 try {

    57                     doc.insertString(0, "<Test 2>", null);

    58                 } catch (BadLocationException e) {

    59                     throw new RuntimeException(e);

    60                 }

    61             }

    62         };

    63 

    64         Thread t2 = new Thread("Thread 2") {

    65             @Override

    66             public void run() {

    67                 undoManager.undo();

    68             }

    69         };

    70 

    71         t1.start();

    72         t2.start();

    73 

    74         t1.join();

    75         t2.join();

    76     }

    77 }