Test.java revision 2362:00cd9dc3c2b5 
1/*
2 * Copyright (c) 2003, 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/* @test
25 * @bug 4838379
26 * @summary Verify that serialization of enum constant arrays functions
27 *          properly.
28 */
29
30import java.io.*;
31import java.util.Arrays;
32
33enum Foo { klaatu, barada { int i = 1; }, nikto }
34
35public class Test {
36    public static void main(String[] args) throws Exception {
37        ByteArrayOutputStream bout = new ByteArrayOutputStream();
38        ObjectOutputStream oout = new ObjectOutputStream(bout);
39        Foo[] fa = Foo.values();
40        Object[] oa = Arrays.asList(fa).toArray();
41        oout.writeObject(oa);
42        oout.writeObject(fa);
43        oout.close();
44        ObjectInputStream oin = new ObjectInputStream(
45            new ByteArrayInputStream(bout.toByteArray()));
46        Object[] oa2 = (Object[]) oin.readObject();
47        if (!elementsIdentical(oa, oa2)) {
48            throw new Error("arrays differ: " +
49                Arrays.asList(oa) + ", " + Arrays.asList(oa2));
50        }
51        Foo[] fa2 = (Foo[]) oin.readObject();
52        if (!elementsIdentical(fa, fa2)) {
53            throw new Error("arrays differ: " +
54                Arrays.asList(fa) + ", " + Arrays.asList(fa2));
55        }
56    }
57
58    static boolean elementsIdentical(Object[] a1, Object[] a2) {
59        if (a1.length != a2.length) {
60            return false;
61        }
62        for (int i = 0; i < a1.length; i++) {
63            if (a1[i] != a2[i]) {
64                return false;
65            }
66        }
67        return true;
68    }
69}
70