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 31 package test.java.util.EnumMap; 32 33 import java.util.EnumMap; 34 35 public class ProperEntrySetOnClone { 36 public enum Test { 37 ONE, TWO 38 } 39 main(String[] args)40 public static void main(String[] args) { 41 EnumMap<Test, String> map1 = new EnumMap<Test, String>(Test.class); 42 map1.put(Test.ONE, "1"); 43 map1.put(Test.TWO, "2"); 44 45 // We need to force creation of the map1.entrySet 46 int size = map1.entrySet().size(); 47 if (size != 2) { 48 throw new RuntimeException( 49 "Invalid size in original map. Expected: 2 was: " + size); 50 } 51 52 EnumMap<Test, String> map2 = map1.clone(); 53 map2.remove(Test.ONE); 54 size = map2.entrySet().size(); 55 if (size != 1) { 56 throw new RuntimeException( 57 "Invalid size in cloned instance. Expected: 1 was: " + size); 58 } 59 } 60 } 61