Subversion Repositories scarts

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

/* PushbackReaderTest.java -- Tests PushbackReader's of course

/*

/* 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 PushbackReaderTest extends PushbackReader

{

public

PushbackReaderTest(Reader r, int size)

{

  super(r, size);

}

public static void

main(String[] argv)

{

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

  String str = "I used to idolize my older cousin Kurt.  I wanted to be\n" +

    "just like him when I was a kid.  (Now we are as different as night\n" +

    "and day - but still like each other).  One thing he did for a while\n" +

    "was set traps for foxes thinking he would make money off sellnig furs.\n" +

    "Now I never saw a fox in all my years of Southern Indiana.  That\n" +

    "didn't deter us.  One time we went out in the middle of winter to\n" +

    "check our traps.  It was freezing and I stepped onto a frozen over\n" +

    "stream. The ice broke and I got my foot soak.  Despite the fact that\n" +

    "it made me look like a girl, I turned around and went straight home.\n" +

    "Good thing too since I couldn't even feel my foot by the time I got\n" +

    "there.\n";

  System.out.println("Test 1: Basic Unread Tests");

  try

    {

      PushbackReaderTest prt = new PushbackReaderTest(

        new StringReader(str), 15);

      char[] read_buf1 = new char[12];

      char[] read_buf2 = new char[12];

      boolean passed = true;

      prt.read(read_buf1);

      prt.unread(read_buf1);

      prt.read(read_buf2);

      for (int i = 0; i < read_buf1.length; i++)

        {

          if (read_buf1[i] != read_buf2[i])

            passed = false;

        }

      prt.unread(read_buf2, 1, read_buf2.length - 1);

      prt.unread(read_buf2[0]);

      int chars_read, total_read = 0;

      while ((chars_read = prt.read(read_buf1)) != -1)

        {

          System.out.print(new String(read_buf1, 0, chars_read));

          total_read += chars_read;

        }

      if (total_read != str.length())

        passed = false;

      if (passed)

        System.out.println("PASSED: Basic Unread Tests");

      else

        System.out.println("FAILED: Basic Unread Tests");

    }

  catch(IOException e)

    {

      System.out.println("FAILED: Basic Unread Tests: " + e);

    }

  System.out.println("Test 3: Buffer Overflow Test");

  try

    {

      PushbackReaderTest prt = new PushbackReaderTest(

        new StringReader(str), 10);

      char[] read_buf = new char[12];

      prt.read(read_buf);

      prt.unread(read_buf);

      System.out.println("FAILED: Buffer Overflow Test");

    }

  catch(IOException e)

    {

      System.out.println("PASSED: Buffer Overflow Test: " + e);

    }

  System.out.println("Finished tests of PushbackReader");

} // main

} // class PushbackReaderTest