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/* 25 * @test 26 * @bug 7164256 27 * @summary EnumMap.entrySet() returns an entrySet referencing to the cloned instance 28 * @author Diego Belfer 29 */ 30 31import java.util.EnumMap; 32 33public class ProperEntrySetOnClone { 34 public enum Test { 35 ONE, TWO 36 } 37 38 public static void main(String[] args) { 39 EnumMap<Test, String> map1 = new EnumMap<Test, String>(Test.class); 40 map1.put(Test.ONE, "1"); 41 map1.put(Test.TWO, "2"); 42 43 // We need to force creation of the map1.entrySet 44 int size = map1.entrySet().size(); 45 if (size != 2) { 46 throw new RuntimeException( 47 "Invalid size in original map. Expected: 2 was: " + size); 48 } 49 50 EnumMap<Test, String> map2 = map1.clone(); 51 map2.remove(Test.ONE); 52 size = map2.entrySet().size(); 53 if (size != 1) { 54 throw new RuntimeException( 55 "Invalid size in cloned instance. Expected: 1 was: " + size); 56 } 57 } 58} 59