/*

 * Copyright (c) 1997, 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.

 */

/* @test

   @summary Stochastic test of LineNumberReader

 */

import java.io.*;

public class LineNumbers {

    static String enc = "UTF8";

    static String inEnc;

    static String outEnc;

    static int limit = 500;

    public static void main(String[] args) throws Exception {

        PrintWriter log

            = new PrintWriter(new OutputStreamWriter(System.err), true);

        if (inEnc == null)

            inEnc = enc;

        if (outEnc == null)

            outEnc = enc;

        PipedOutputStream co = new PipedOutputStream();

        PipedInputStream ci = new PipedInputStream(co);

        BufferedWriter w = new BufferedWriter(new OutputStreamWriter(co, outEnc));

        LineNumberReader r = new LineNumberReader(new InputStreamReader(ci, inEnc));

        Thread t1 = new Thread(new RandomLineSource(w, limit));

        Thread t2 = new Thread(new LineNumberSink(r, limit, log));

        t1.start();

        t2.start();

        t1.join();

        t2.join();

    }

}

class LineNumberSink implements Runnable {

    LineNumberReader r;

    int limit;

    PrintWriter log;

    LineNumberSink(LineNumberReader r, int limit, PrintWriter log) {

        this.r = r;

        this.limit = limit;

        this.log = log;

    }

    public void run() {

        String s;

        int n = 0;

        try {

            while ((s = r.readLine()) != null) {

                n++;

                int ln = r.getLineNumber();

                log.println("[" + ln + "] " + s.length());

                log.println(s);

                if (log.checkError())

                    log.println("Conversion errors"); /* #### */

                if (n != ln)

                    throw new RuntimeException("Line number mismatch: Expected " + n + ", got " + ln);

            }

            if (n != limit)

                throw new RuntimeException("Incorrect line count");

        }

        catch (IOException x) {

            throw new RuntimeException(x.toString());

        }

        log.println(n + " lines read");

    }

}