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 * @bug 4402227
26 * @summary Verify that ObjectStreamClass.lookup() functions properly
27 *          for interfaces.
28 */
29
30import java.io.*;
31
32interface Foo extends Serializable {
33    static final long serialVersionUID = 0xCAFE;
34}
35
36interface Bar extends Externalizable {
37    static final long serialVersionUID = 0xBABE;
38}
39
40interface Gub {
41}
42
43public class LookupInterfaceDesc {
44    public static void main(String[] args) throws Exception {
45        ObjectStreamClass desc = ObjectStreamClass.lookup(Foo.class);
46        if ((desc.getSerialVersionUID() != Foo.serialVersionUID) ||
47            (desc.getFields().length != 0))
48        {
49            throw new Error();
50        }
51
52        desc = ObjectStreamClass.lookup(Bar.class);
53        if ((desc.getSerialVersionUID() != Bar.serialVersionUID) ||
54            (desc.getFields().length != 0))
55        {
56            throw new Error();
57        }
58
59        if (ObjectStreamClass.lookup(Gub.class) != null) {
60            throw new Error();
61        }
62    }
63}
64