1/* 2 * Copyright (c) 1999, 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/** 25 * @test 26 * @bug 4189896 27 * @summary AbstractList iterators previously checked for co-modification 28 * *after* the set/add/remove operations were performed. 29 */ 30 31import java.util.*; 32 33public class FailFastIterator { 34 public static void main(String[] args) throws Exception { 35 List orig = new ArrayList(100); 36 for (int i=0; i<100; i++) 37 orig.add(new Integer(i)); 38 39 List copy = new ArrayList(orig); 40 try { 41 ListIterator i = copy.listIterator(); 42 i.next(); 43 copy.remove(99); 44 copy.add(new Integer(99)); 45 i.remove(); 46 throw new Exception("remove: iterator didn't fail fast"); 47 } catch (ConcurrentModificationException e) { 48 } 49 if (!copy.equals(orig)) 50 throw new Exception("remove: iterator didn't fail fast enough"); 51 52 try { 53 ListIterator i = copy.listIterator(); 54 i.next(); 55 copy.remove(99); 56 copy.add(new Integer(99)); 57 i.set(new Integer(666)); 58 throw new Exception("set: iterator didn't fail fast"); 59 } catch (ConcurrentModificationException e) { 60 } 61 if (!copy.equals(orig)) 62 throw new Exception("set: iterator didn't fail fast enough"); 63 64 try { 65 ListIterator i = copy.listIterator(); 66 copy.remove(99); 67 copy.add(new Integer(99)); 68 i.add(new Integer(666)); 69 throw new Exception("add: iterator didn't fail fast"); 70 } catch (ConcurrentModificationException e) { 71 } 72 if (!copy.equals(orig)) 73 throw new Exception("add: iterator didn't fail fast enough"); 74 } 75} 76