1/*
2 * Copyright (c) 1999, 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 4174797
26 * @summary Ensure that ObjectInputStream can set final fields.
27 */
28
29import java.io.*;
30
31class Foo implements Serializable {
32    final int i;
33
34    Foo(int i) {
35        this.i = i;
36    }
37
38    public boolean equals(Object obj) {
39        if (! (obj instanceof Foo))
40            return false;
41        Foo f = (Foo) obj;
42        return (i == f.i);
43    }
44}
45
46public class FinalFields {
47    public static void main(String[] args) throws Exception {
48        ByteArrayOutputStream bout;
49        ByteArrayInputStream bin;
50        ObjectOutputStream oout;
51        ObjectInputStream oin;
52        Foo f1, f2, f1copy, f2copy;
53
54        bout = new ByteArrayOutputStream();
55        oout = new ObjectOutputStream(bout);
56        f1 = new Foo(1);
57        f2 = new Foo(2);
58
59        oout.writeObject(f1);
60        oout.writeObject(f2);
61        oout.flush();
62
63        bin = new ByteArrayInputStream(bout.toByteArray());
64        oin = new ObjectInputStream(bin);
65        f1copy = (Foo) oin.readObject();
66        f2copy = (Foo) oin.readObject();
67
68        if (! (f1.equals(f1copy) && f2.equals(f2copy)))
69            throw new Error("copies don't match originals");
70    }
71}
72