jdk-24/jdk/test/java/net/Socket/asyncClose/Socket_getInputStream_read.java

/*
 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * 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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * Tests that a thread blocked in Socket.getInputStream().read()
 * throws a SocketException if the socket is asynchronously closed.
 */
import java.net.*;
import java.io.*;

public class Socket_getInputStream_read extends AsyncCloseTest implements Runnable {
    Socket s;
    int timeout = 0;

    public Socket_getInputStream_read() {
    }

    public Socket_getInputStream_read(int timeout) {
        this.timeout = timeout;
    }

    public String description() {
        String s = "Socket.getInputStream().read()";
        if (timeout > 0) {
            s += " (with timeout)";
        }
        return s;
    }

    public void run() {
        InputStream in;

        try {
            in = s.getInputStream();
            if (timeout > 0) {
                s.setSoTimeout(timeout);
            }
        } catch (Exception e) {
            failed(e.getMessage());
            return;
        }

        try {
            int n = in.read();
            failed("getInptuStream().read() returned unexpectly!!");
        } catch (SocketException se) {
            closed();
        } catch (Exception e) {
            failed(e.getMessage());
        }
    }

    public boolean go() throws Exception {

        ServerSocket ss = new ServerSocket(0);

        InetAddress lh = InetAddress.getLocalHost();
        s = new Socket();
        s.connect( new InetSocketAddress(lh, ss.getLocalPort()) );

        Socket s2 = ss.accept();

        Thread thr = new Thread(this);
        thr.start();

        Thread.currentThread().sleep(1000);

        s.close();

        Thread.currentThread().sleep(1000);

        if (isClosed()) {
            return true;
        } else {
            failed("getInputStream().read() wasn't preempted");
            return false;
        }

    }
}