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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 */

/* @test
 * @bug 8195160
 * @summary Unit test for socket channels
 * @summary This tests whether it's possible to get some informations
 *          out of a closed socket. This is for backward compatibility
 *          purposes.
 * @requires (os.family == "linux")
 * @library .. /test/lib
 * @build RsocketTest
 * @run main/othervm -Djava.net.preferIPv4Stack=true TestClose
 */
import java.net.*;
import jdk.net.Sockets;

public class TestClose implements Runnable {

    static ServerSocket ss;
    static Socket s;
    static InetAddress ia;
    static int serverport;

    public static void main(String[] args) throws Exception {
        if (!RsocketTest.isRsocketAvailable())
            return;

        InetAddress ad1, ad2;
        int port1, port2;

        ia = InetAddress.getLocalHost();
        ss = Sockets.openRdmaServerSocket();
        ss.bind(new InetSocketAddress(ia, 0));
        serverport = ss.getLocalPort();

        s = Sockets.openRdmaSocket();
        Thread t = new Thread(new TestClose());
        t.start();

        Socket s2 = ss.accept();
        s.close();
        s2.close();
        ss.close();

        ad1 = ss.getInetAddress();
        if (ad1 == null)
            throw new RuntimeException("ServerSocket.getInetAddress() returned null");
        port1 = ss.getLocalPort();
        if (port1 != serverport)
            throw new RuntimeException("ServerSocket.getLocalPort() returned the wrong value");
        ad2 = s.getInetAddress();
        if (ad2 == null)
            throw new RuntimeException("Socket.getInetAddress() returned null");
        port2 = s.getPort();
        if (port2 != serverport)
            throw new RuntimeException("Socket.getPort() returned wrong value");
        ad2 = s.getLocalAddress();
        if (ad2 == null)
            throw new RuntimeException("Socket.getLocalAddress() returned null");
        port2 = s.getLocalPort();
        if (port2 == -1)
            throw new RuntimeException("Socket.getLocalPort returned -1");
    }

    public void run() {
        try {
            s.connect(new InetSocketAddress(ia, serverport));
        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException("Test Failed");
        }
    }
}