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