1 /*

     2  * Copyright (c) 2002, 2018, 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 4737146 4750573

    26  * @summary Test if isConnectable returns true after connected

    27  * @library .. /test/lib

    28  * @build jdk.test.lib.Utils TestServers

    29  * @run main IsConnectable

    30  */

    31 

    32 import java.net.*;

    33 import java.nio.channels.*;

    34 import java.nio.channels.spi.SelectorProvider;

    35 import java.util.*;

    36 

    37 public class IsConnectable {

    38 

    39     static void test(TestServers.DayTimeServer daytimeServer) throws Exception {

    40         InetSocketAddress isa

    41             = new InetSocketAddress(daytimeServer.getAddress(),

    42                                     daytimeServer.getPort());

    43         SocketChannel sc = SocketChannel.open();

    44         sc.configureBlocking(false);

    45         final boolean immediatelyConnected = sc.connect(isa);

    46 

    47         Selector selector = SelectorProvider.provider().openSelector();

    48         try {

    49             SelectionKey key = sc.register(selector, SelectionKey.OP_CONNECT);

    50             int keysAdded = selector.select();

    51             if (keysAdded > 0) {

    52                 boolean result = sc.finishConnect();

    53                 if (result) {

    54                     keysAdded = selector.select(5000);

    55                     // 4750573: keysAdded should not be incremented when op is dropped

    56                     // from a key already in the selected key set

    57                     if (keysAdded > 0)

    58                         throw new Exception("Test failed: 4750573 detected");

    59                     Set<SelectionKey> sel = selector.selectedKeys();

    60                     Iterator<SelectionKey> i = sel.iterator();

    61                     SelectionKey sk = i.next();

    62                     // 4737146: isConnectable should be false while connected

    63                     if (sk.isConnectable())

    64                         throw new Exception("Test failed: 4737146 detected");

    65                 }

    66             } else {

    67                 if (!immediatelyConnected) {

    68                     throw new Exception("Select failed");

    69                 } else {

    70                     System.out.println("IsConnectable couldn't be fully tested for "

    71                             + System.getProperty("os.name"));

    72                 }

    73             }

    74         } finally {

    75             sc.close();

    76             selector.close();

    77         }

    78     }

    79 

    80     public static void main(String[] args) throws Exception {

    81         try (TestServers.DayTimeServer daytimeServer

    82                 = TestServers.DayTimeServer.startNewServer(100)) {

    83             test(daytimeServer);

    84         }

    85     }

    86 

    87 }