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

/* BufferedReaderTest.java -- Tests BufferedReader'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 BufferedReaderTest extends CharArrayReader

{

// Hehe.  We override CharArrayReader.markSupported() in order to return

// false so that we can test BufferedReader's handling of mark/reset in

// both the case where the underlying stream does and does not support

// mark/reset

public boolean

markSupported()

{

  return(false);

}

public

BufferedReaderTest(char[] buf)

{

  super(buf);

}

public static int

marktest(Reader ins) throws IOException

{

  BufferedReader br = new BufferedReader(ins, 15);

  int chars_read;

  int total_read = 0;

  char[] buf = new char[12];

  chars_read = br.read(buf);

  total_read += chars_read;

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

  chars_read = br.read(buf);

  total_read += chars_read;

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

  br.mark(75);

  br.read();

  br.read(buf);

  br.read(buf);

  br.read(buf);

  br.reset();

  chars_read = br.read(buf);

  total_read += chars_read;

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

  br.mark(555);

  chars_read = br.read(buf);

  total_read += chars_read;

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

  br.reset();

  br.read(buf);

  chars_read = br.read(buf);

  total_read += chars_read;

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

  chars_read = br.read(buf);

  total_read += chars_read;

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

  br.mark(14);

  br.read(buf);

  br.reset();

  chars_read = br.read(buf);

  total_read += chars_read;

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

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

    {

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

      total_read += chars_read;

    }

  return(total_read);

}

public static void

main(String[] argv)

{

  System.out.println("Started test of BufferedReader");

  try

    {

      System.out.println("Test 1: Simple Read Test");

      String str = "My 5th grade teacher was named Mr. Thompson.  Terry\n" +

        "George Thompson to be precise.  He had these sideburns like\n" +

        "Isaac Asimov's, only uglier.  One time he had a contest and said\n" +

        "that if any kid who could lift 50lbs worth of weights on a barbell\n" +

        "all the way over their head, he would shave it off.  Nobody could\n" +

        "though.  One time I guess I made a comment about how stupid his\n" +

        "sideburns worked and he not only kicked me out of class, he called\n" +

        "my mother.  Jerk.\n";

      StringReader sr = new StringReader(str);

      BufferedReader br = new BufferedReader(sr, 15);

      char[] buf = new char[12];

      int chars_read;

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

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

      br.close();

      System.out.println("PASSED: Simple Read Test");

    }

  catch (IOException e)

    {

      System.out.println("FAILED: Simple Read Test: " + e);

    }

  try

    {

      System.out.println("Test 2: First mark/reset Test");

      String str = "Growing up in a rural area brings such delights.  One\n" +

        "time my uncle called me up and asked me to come over and help him\n" +

        "out with something.  Since he lived right across the field, I\n" +

        "walked right over.  Turned out he wanted me to come down to the\n" +

        "barn and help him castrate a calf.  Oh, that was fun.  Not.\n";

      StringReader sr = new StringReader(str);

//      BufferedReader br = new BufferedReader(sr);

      int total_read = marktest(sr);

      if (total_read == str.length())

        System.out.println("PASSED: First mark/reset Test");

      else

        System.out.println("FAILED: First mark/reset Test");

    }

  catch (IOException e)

    {

      System.out.println("FAILED: First mark/reset Test: " + e);

    }

  try

    {

      System.out.println("Test 3: Second mark/reset Test");

      String str = "Growing up we heated our house with a wood stove.  That\n" +

        "thing could pump out some BTU's, let me tell you.  No matter how\n" +

        "cold it got outside, it was always warm inside.  Of course the\n" +

        "downside is that somebody had to chop the wood for the stove. That\n" +

        "somebody was me.  I was slave labor.  My uncle would go back and\n" +

        "chain saw up dead trees and I would load the wood in wagons and\n" +

        "split it with a maul. Somehow my no account brother always seemed\n" +

        "to get out of having to work.\n";

      char[] buf = new char[str.length()];

      str.getChars(0, str.length(), buf, 0);

      BufferedReaderTest brt = new BufferedReaderTest(buf);

//      BufferedReader br = new BufferedReader(car);

      int total_read = marktest(brt);

      if (total_read == str.length())

        System.out.println("PASSED: Second mark/reset Test");

      else

        System.out.println("FAILED: Second mark/reset Test");

    }

  catch (IOException e)

    {

      System.out.println("FAILED: Second mark/reset Test: " + e);

    }

  System.out.println("Finished test of BufferedReader");

} // main

} // class BufferedReaderTest