1 /*
2  * Copyright (c) 2011, 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  * Portions Copyright (c) 2011 IBM Corporation
26  */
27 
28 /*
29  * @test
30  * @bug 6312706
31  * @summary A serialized EnumMap can be successfully de-serialized.
32  * @author Neil Richards <neil.richards@ngmr.net>, <neil_richards@uk.ibm.com>
33  */
34 package test.java.util.EnumMap;
35 
36 import java.io.ByteArrayInputStream;
37 import java.io.ByteArrayOutputStream;
38 import java.io.ObjectInputStream;
39 import java.io.ObjectOutputStream;
40 import java.util.EnumMap;
41 
42 import org.testng.Assert;
43 import org.testng.annotations.Test;
44 
45 public class SimpleSerialization {
46     private enum TestEnum { e00, e01, e02, e03, e04, e05, e06, e07 }
47 
48     @Test
testSimpleSerialization()49     public void testSimpleSerialization() throws Exception {
50         final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);
51 
52         enumMap.put(TestEnum.e01, TestEnum.e01.name());
53         enumMap.put(TestEnum.e04, TestEnum.e04.name());
54         enumMap.put(TestEnum.e05, TestEnum.e05.name());
55 
56         final ByteArrayOutputStream baos = new ByteArrayOutputStream();
57         final ObjectOutputStream oos = new ObjectOutputStream(baos);
58 
59         oos.writeObject(enumMap);
60         oos.close();
61 
62         final byte[] data = baos.toByteArray();
63         final ByteArrayInputStream bais = new ByteArrayInputStream(data);
64         final ObjectInputStream ois = new ObjectInputStream(bais);
65 
66         final Object deserializedObject = ois.readObject();
67         ois.close();
68 
69         Assert.assertTrue(enumMap.equals(deserializedObject));
70     }
71 }