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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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 */

/* @test

 * @bug 8198753

 * @summary Test DatagramChannel connect exceptions

 * @library ..

 * @run testng ConnectExceptions

 */

import java.io.*;

import java.net.*;

import java.nio.*;

import java.nio.channels.*;

import org.testng.annotations.AfterTest;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.Test;

import static org.testng.Assert.*;

public class ConnectExceptions {

    static DatagramChannel sndChannel;

    static DatagramChannel rcvChannel;

    static InetSocketAddress sender;

    static InetSocketAddress receiver;

    @BeforeTest

    public static void setup() throws Exception {

        sndChannel = DatagramChannel.open();

        sndChannel.bind(null);

        InetAddress address = InetAddress.getLocalHost();

        if (address.isLoopbackAddress()) {

            address = InetAddress.getLoopbackAddress();

        }

        sender = new InetSocketAddress(address,

            sndChannel.socket().getLocalPort());

        rcvChannel = DatagramChannel.open();

        rcvChannel.bind(null);

        receiver = new InetSocketAddress(address,

            rcvChannel.socket().getLocalPort());

    }

    @Test(expectedExceptions = UnsupportedAddressTypeException.class)

    public static void unsupportedAddressTypeException() throws Exception {

        rcvChannel.connect(sender);

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

    }

    @Test(expectedExceptions = UnresolvedAddressException.class)

    public static void unresolvedAddressException() throws Exception {

        String host = TestUtil.UNRESOLVABLE_HOST;

        InetSocketAddress unresolvable = new InetSocketAddress (host, 37);

        sndChannel.connect(unresolvable);

    }

    @Test(expectedExceptions = AlreadyConnectedException.class)

    public static void alreadyConnectedException() throws Exception {

        sndChannel.connect(receiver);

        InetSocketAddress random = new InetSocketAddress(0);

        sndChannel.connect(random);

    }

    @AfterTest

    public static void cleanup() throws Exception {

        rcvChannel.close();

        sndChannel.close();

    }

}