1/*
2 * Copyright (c) 2016, 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/*
25 * @test
26 * @bug 8170920
27 * @run main MinimumRcvBufferSize
28 */
29
30import java.nio.channels.*;
31import java.net.*;
32
33public class MinimumRcvBufferSize {
34
35    public static void main(String args[]) throws Exception {
36        boolean error = false;
37        ServerSocketChannel channel = ServerSocketChannel.open();
38        int before = channel.getOption(StandardSocketOptions.SO_RCVBUF);
39        channel.setOption(StandardSocketOptions.SO_RCVBUF, Integer.MAX_VALUE);
40        int after = channel.getOption(StandardSocketOptions.SO_RCVBUF);
41        if (before > after) {
42            System.err.println("Test failed: SO_RCVBUF");
43            error = true;
44        }
45
46        SocketChannel channel1 = SocketChannel.open();
47        before = channel1.getOption(StandardSocketOptions.SO_SNDBUF);
48        channel1.setOption(StandardSocketOptions.SO_SNDBUF, Integer.MAX_VALUE);
49        after = channel1.getOption(StandardSocketOptions.SO_SNDBUF);
50        if (before > after) {
51            System.err.println("Test failed: SO_SNDBUF");
52            error = true;
53        }
54        if (error)
55            throw new RuntimeException("Test failed");
56    }
57}
58