1 /*
   2  * Copyright 2004 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug     4902078
  27  * @summary concurrent modification not detected on 2nd to last iteration
  28  * @author  Josh Bloch
  29  *
  30  * @ignore Bug fix temporarily removed as it uncovered other bugs (4992226)
  31  * @compile -source 1.5 CheckForComodification.java
  32  * @run main CheckForComodification
  33  */
  34 
  35 import java.util.*;
  36 
  37 public class CheckForComodification {
  38     private static final int LENGTH = 10;
  39     public static void main(String[] args) throws Exception {
  40         List<Integer> list = new ArrayList<Integer>();
  41         for (int i = 0; i < LENGTH; i++)
  42             list.add(i);
  43         try {
  44             for (int i : list)
  45                 if (i == LENGTH - 2)
  46                     list.remove(i);
  47         } catch(ConcurrentModificationException e) {
  48             return;
  49         }
  50         throw new RuntimeException("No ConcurrentModificationException");
  51     }
  52 }