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