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/*************************************************************************

/* PipedReaderWriterTest.java -- Tests Piped{Reader,Writers}'s

/*

/* Copyright (c) 1998 Free Software Foundation, Inc.

/* Written by Aaron M. Renn (arenn@urbanophile.com)

/*

/* This program is free software; you can redistribute it and/or modify

/* it under the terms of the GNU General Public License as published

/* by the Free Software Foundation, either version 2 of the License, or

/* (at your option) any later version.

/*

/* This program 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 for more details.

/*

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

/* along with this program; if not, write to the Free Software Foundation

/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA

/*************************************************************************/

import java.io.*;

public class PipedReaderWriterTest

{

public static void

main(String[] argv) throws InterruptedException

{

  // Set up a reasonable buffer size for this test if one is not already

  // specified

  String prop = System.getProperty("gnu.java.io.pipe_size");

//  if (prop == null)

//    System.setProperty("gnu.java.io.pipe_size", "32");

  try

    {

      System.out.println("Started test of PipedReader and PipedWriter");

      System.out.println("Test 1: Basic pipe test");

      // Set up the thread to write

      PipedTestWriter ptw = new PipedTestWriter();

      String str = ptw.getStr();

      PipedWriter pw = ptw.getWriter();

      // Now set up our reader

      PipedReader pr = new PipedReader();

      pr.connect(pw);

      new Thread(ptw).start();

      char[] buf = new char[12];

      int chars_read, total_read = 0;

      while((chars_read = pr.read(buf)) != -1)

        {

          System.out.print(new String(buf, 0, chars_read));

          System.out.flush();

          Thread.sleep(10); // A short delay

          total_read += chars_read;

        }

      if (total_read == str.length())

        System.out.println("PASSED: Basic pipe test");

      else

        System.out.println("FAILED: Basic pipe test");

    }

  catch (IOException e)

    {

      System.out.println("FAILED: Basic pipe test: " + e);

    }

}

} // class PipedReaderWriterTest

class PipedTestWriter implements Runnable

{

String str;

StringReader sbr;

PipedWriter out;

public

PipedTestWriter()

{

  str = "In college, there was a tradition going for a while that people\n" +

    "would get together and hang out at Showalter Fountain - in the center\n" +

    "of Indiana University's campus - around midnight.  It was mostly folks\n" +

    "from the computer lab and just people who liked to use the Forum\n" +

    "bbs system on the VAX.  IU pulled the plug on the Forum after I left\n" +

    "despite its huge popularity.  Now they claim they are just giving\n" +

    "students what they want by cutting deals to make the campus all\n" +

    "Microsoft.\n";

  sbr = new StringReader(str);

  out = new PipedWriter();

}

public PipedWriter

getWriter()

{

  return(out);

}

public String

getStr()

{

  return(str);

}

public void

run()

{

  char[] buf = new char[32];

  int chars_read;

  try

    {

      int b = sbr.read();

      out.write(b);

      while ((chars_read = sbr.read(buf)) != -1)

        out.write(buf, 0, chars_read);

      out.close();

    }

  catch(IOException e)

    {

      System.out.println("FAILED: Basic pipe test: " + e);

    }

}

} // PipedTestWriter