1/*
2 * Copyright (c) 2002, 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 4337857
26 *
27 * @clean Write Read A B
28 * @compile Write.java
29 * @run main Write
30 * @clean Write Read A B
31 * @compile Read.java
32 * @run main Read
33 *
34 * @summary Verify that custom serialization methods declared with incorrect
35 *          return types are not invoked.
36 */
37
38import java.io.*;
39
40class B implements Serializable {
41    private static final long serialVersionUID = 0L;
42
43    static boolean writeObjectCalled;
44    static boolean writeReplaceCalled;
45
46    private Object writeObject(ObjectOutputStream out) throws IOException {
47        writeObjectCalled = true;
48        out.defaultWriteObject();
49        return null;
50    }
51
52    private B writeReplace() throws ObjectStreamException {
53        writeReplaceCalled = true;
54        return this;
55    }
56}
57
58public class Write {
59    public static void main(String[] args) throws Exception {
60        ObjectOutputStream oout =
61            new ObjectOutputStream(new FileOutputStream("tmp.ser"));
62        oout.writeObject(new B());
63        oout.close();
64
65        if (B.writeObjectCalled) {
66            throw new Error("writeObject with wrong return type called");
67        } else if (B.writeReplaceCalled) {
68            throw new Error("writeReplace with wrong return type called");
69        }
70    }
71}
72