1 /*

     2  * Copyright (c) 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.

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    23 

    24 /* @test

    25  * @bug 8198753

    26  * @summary Test DatagramChannel connect exceptions

    27  * @library ..

    28  * @run testng ConnectExceptions

    29  */

    30 

    31 import java.io.*;

    32 import java.net.*;

    33 import java.nio.*;

    34 import java.nio.channels.*;

    35 import org.testng.annotations.AfterTest;

    36 import org.testng.annotations.BeforeTest;

    37 import org.testng.annotations.Test;

    38 import static org.testng.Assert.*;

    39 

    40 public class ConnectExceptions {

    41     static DatagramChannel sndChannel;

    42     static DatagramChannel rcvChannel;

    43     static InetSocketAddress sender;

    44     static InetSocketAddress receiver;

    45 

    46     @BeforeTest

    47     public static void setup() throws Exception {

    48         sndChannel = DatagramChannel.open();

    49         sndChannel.bind(null);

    50         InetAddress address = InetAddress.getLocalHost();

    51         if (address.isLoopbackAddress()) {

    52             address = InetAddress.getLoopbackAddress();

    53         }

    54         sender = new InetSocketAddress(address,

    55             sndChannel.socket().getLocalPort());

    56 

    57         rcvChannel = DatagramChannel.open();

    58         rcvChannel.bind(null);

    59         receiver = new InetSocketAddress(address,

    60             rcvChannel.socket().getLocalPort());

    61     }

    62 

    63     @Test(expectedExceptions = UnsupportedAddressTypeException.class)

    64     public static void unsupportedAddressTypeException() throws Exception {

    65         rcvChannel.connect(sender);

    66         sndChannel.connect(new SocketAddress() {});

    67     }

    68 

    69     @Test(expectedExceptions = UnresolvedAddressException.class)

    70     public static void unresolvedAddressException() throws Exception {

    71         String host = TestUtil.UNRESOLVABLE_HOST;

    72         InetSocketAddress unresolvable = new InetSocketAddress (host, 37);

    73         sndChannel.connect(unresolvable);

    74     }

    75 

    76     @Test(expectedExceptions = AlreadyConnectedException.class)

    77     public static void alreadyConnectedException() throws Exception {

    78         sndChannel.connect(receiver);

    79         InetSocketAddress random = new InetSocketAddress(0);

    80         sndChannel.connect(random);

    81     }

    82 

    83     @AfterTest

    84     public static void cleanup() throws Exception {

    85         rcvChannel.close();

    86         sndChannel.close();

    87     }

    88 }