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 *
26 * @bug 4408755
27 *
28 * @summary This tests wether it's possible to get some informations
29 * out of a closed socket. This is for backward compatibility purposes.
30 */
31
32import java.net.*;
33
34public class TestClose {
35
36    public static void main(String[] args) throws Exception {
37        ServerSocket ss;
38        Socket s;
39        InetAddress ad1, ad2;
40        int port1, port2, serverport;
41
42        ss = new ServerSocket(0);
43        serverport = ss.getLocalPort();
44        s = new Socket("localhost", serverport);
45        s.close();
46        ss.close();
47        ad1 = ss.getInetAddress();
48        if (ad1 == null)
49            throw new RuntimeException("ServerSocket.getInetAddress() returned null");
50        port1 = ss.getLocalPort();
51        if (port1 != serverport)
52            throw new RuntimeException("ServerSocket.getLocalPort() returned the wrong value");
53        ad2 = s.getInetAddress();
54        if (ad2 == null)
55            throw new RuntimeException("Socket.getInetAddress() returned null");
56        port2 = s.getPort();
57        if (port2 != serverport)
58            throw new RuntimeException("Socket.getPort() returned wrong value");
59        ad2 = s.getLocalAddress();
60        if (ad2 == null)
61            throw new RuntimeException("Socket.getLocalAddress() returned null");
62        port2 = s.getLocalPort();
63        if (port2 == -1)
64            throw new RuntimeException("Socket.getLocalPort returned -1");
65    }
66}
67