1/*
2 * Copyright (c) 2001, 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 * @summary Ensure that serialization invokes writeReplace/readResolve methods
26 *          on dynamic proxies, just as with normal objects.
27 */
28
29import java.io.*;
30import java.lang.reflect.*;
31
32public class Test implements InvocationHandler, Serializable {
33
34    static ClassLoader loader = Test.class.getClassLoader();
35
36    public Object invoke(Object proxy, Method method, Object[] args)
37        throws Throwable
38    {
39        String methName = method.getName();
40        if (methName.equals("writeReplace")) {
41            return Proxy.newProxyInstance(
42                loader, new Class[] { ReadResolve.class }, this);
43        } else if (methName.equals("readResolve")) {
44            return Proxy.newProxyInstance(
45                loader, new Class[] { Resolved.class }, this);
46        } else if (method.getDeclaringClass() == Object.class) {
47            return method.invoke(this, args);
48        } else {
49            throw new Error();
50        }
51    }
52
53    public static void main(String[] args) throws Exception {
54        ByteArrayOutputStream bout = new ByteArrayOutputStream();
55        ObjectOutputStream oout = new ObjectOutputStream(bout);
56        oout.writeObject(Proxy.newProxyInstance(
57            loader, new Class[] { WriteReplace.class }, new Test()));
58        oout.close();
59        ObjectInputStream oin = new ObjectInputStream(
60            new ByteArrayInputStream(bout.toByteArray()));
61        if (!(oin.readObject() instanceof Resolved)) {
62            throw new Error();
63        }
64    }
65}
66