1/*
2 * Copyright (c) 2002, 2010, 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 4645302
26 * @summary Socket with OP_WRITE would get selected only once
27 * @author kladko
28 */
29
30import java.nio.channels.Selector;
31import java.nio.channels.SelectionKey;
32import java.nio.channels.SocketChannel;
33
34public class SelectWrite {
35
36    public static void main(String[] argv) throws Exception {
37        try (ByteServer server = new ByteServer();
38             SocketChannel sc = SocketChannel.open(server.address())) {
39
40            server.acceptConnection();
41
42            try (Selector sel = Selector.open()) {
43                sc.configureBlocking(false);
44                sc.register(sel, SelectionKey.OP_WRITE);
45                sel.select();
46                sel.selectedKeys().clear();
47                if (sel.select() == 0) {
48                    throw new Exception("Select returned zero");
49                }
50            }
51        }
52    }
53
54}
55