jdk/test/java/net/Socket/asyncClose/BrokenPipe.java
author duke
Sat, 01 Dec 2007 00:00:00 +0000
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/*
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 * Copyright 2001 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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/*
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 * @test 1.1 01/09/19
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 * @bug 4511404
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 * @summary Check that a broken pipe error doesn't throw an exception
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 *          indicating the socket is closed.
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 */
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import java.io.*;
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import java.net.*;
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public class BrokenPipe {
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    private static class Closer implements Runnable {
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        private final Socket s;
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        Closer(Socket s) {
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            this.s = s;
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        }
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        public void run() {
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            try {
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                /* gives time for 'write' to block */
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                Thread.sleep(5000);
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                s.close();
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            } catch (Exception e) {
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                e.printStackTrace();
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            }
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        }
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    }
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    public static void main(String[] args) throws Exception {
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        ServerSocket ss = new ServerSocket(0);
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        Socket client = new Socket(InetAddress.getLocalHost(),
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                                   ss.getLocalPort());
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        Socket server = ss.accept();
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        ss.close();
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        new Thread(new Closer(server)).start();
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        try {
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            client.getOutputStream().write(new byte[1000000]);
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        } catch (IOException ioe) {
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            /*
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             * Check that the exception text doesn't indicate the
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             * socket is closed. In tiger we should be able to
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             * replace this by catching a more specific exception.
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             */
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            String text = ioe.getMessage();
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            if (text.toLowerCase().indexOf("closed") >= 0) {
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                throw ioe;
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            }
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        }
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        server.close();
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    }
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}