1/* 2 * Copyright (c) 2000, 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 4328748 27 * @summary AbstractMap's clone() method is implemented to 28 * reset AbstractMap's private fields after super.clone() 29 * 30 * @author Konstantin Kladko 31 */ 32 33import java.util.*; 34 35public class AbstractMapClone extends AbstractMap implements Cloneable { 36 37 private Map map = new HashMap(); 38 39 public Set entrySet() { 40 return map.entrySet(); 41 } 42 43 public Object put(Object key, Object value) { 44 return map.put(key, value); 45 } 46 47 public Object clone() { 48 AbstractMapClone clone = null; 49 try { 50 clone = (AbstractMapClone)super.clone(); 51 } catch (CloneNotSupportedException e) { 52 } 53 clone.map = (Map)((HashMap)map).clone(); 54 return clone; 55 } 56 57 public static void main(String[] args) { 58 AbstractMapClone m1 = new AbstractMapClone(); 59 m1.put("1", "1"); 60 Set k1 = m1.keySet(); 61 AbstractMapClone m2 = (AbstractMapClone)m1.clone(); 62 Set k2 = m2.keySet(); 63 m2.put("2","2"); 64 if (k1.equals(k2)) { 65 throw new RuntimeException("AbstractMap.clone() failed."); 66 } 67 } 68} 69