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 33 package test.java.util.AbstractMap; 34 35 import java.util.AbstractMap; 36 import java.util.HashMap; 37 import java.util.Map; 38 import java.util.Set; 39 40 public class AbstractMapClone extends AbstractMap implements Cloneable { 41 42 private Map map = new HashMap(); 43 entrySet()44 public Set entrySet() { 45 return map.entrySet(); 46 } 47 put(Object key, Object value)48 public Object put(Object key, Object value) { 49 return map.put(key, value); 50 } 51 clone()52 public Object clone() { 53 final AbstractMapClone clone; 54 try { 55 clone = (AbstractMapClone)super.clone(); 56 } catch (CloneNotSupportedException e) { 57 throw new AssertionError(e); 58 } 59 clone.map = (Map)((HashMap)map).clone(); 60 return clone; 61 } 62 main(String[] args)63 public static void main(String[] args) { 64 AbstractMapClone m1 = new AbstractMapClone(); 65 m1.put("1", "1"); 66 Set k1 = m1.keySet(); 67 AbstractMapClone m2 = (AbstractMapClone)m1.clone(); 68 Set k2 = m2.keySet(); 69 m2.put("2","2"); 70 if (k1.equals(k2)) { 71 throw new RuntimeException("AbstractMap.clone() failed."); 72 } 73 } 74 } 75