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/*************************************************************************
/* MarkRest.java -- Tests BufferedReader mark/reset functionality
/*
/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
/*************************************************************************/
// Tags: JDK1.1
package gnu.testlet.java.io.BufferedReader;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.io.*;
public class MarkReset extends CharArrayReader implements Testlet
{
// 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
MarkReset(char[] buf)
{
super(buf);
}
// Constructor for test suite
public
MarkReset()
{
super(new char[1]);
}
public static int
marktest(Reader ins, TestHarness harness) 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;
harness.debug(new String(buf, 0, chars_read), false);
chars_read = br.read(buf);
total_read += chars_read;
harness.debug(new String(buf, 0, chars_read), false);
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;
harness.debug(new String(buf, 0, chars_read), false);
br.mark(555);
chars_read = br.read(buf);
total_read += chars_read;
harness.debug(new String(buf, 0, chars_read), false);
br.reset();
br.read(buf);
chars_read = br.read(buf);
total_read += chars_read;
harness.debug(new String(buf, 0, chars_read), false);
chars_read = br.read(buf);
total_read += chars_read;
harness.debug(new String(buf, 0, chars_read), false);
br.mark(14);
br.read(buf);
br.reset();
chars_read = br.read(buf);
total_read += chars_read;
harness.debug(new String(buf, 0, chars_read), false);
while ((chars_read = br.read(buf)) != -1)
{
harness.debug(new String(buf, 0, chars_read), false);
total_read += chars_read;
}
return(total_read);
}
public void
test(TestHarness harness)
{
try
{
harness.debug("First mark/reset test series");
harness.debug("Underlying reader supports mark/reset");
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(br, harness);
harness.check(total_read, str.length(), "total_read");
}
catch (IOException e)
{
harness.debug(e);
harness.check(false);
}
try
{
harness.debug("Second mark/reset test series");
harness.debug("Underlying reader does not support mark/reset");
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);
MarkReset mr = new MarkReset(buf);
BufferedReader br = new BufferedReader(mr);
int total_read = marktest(br, harness);
harness.check(total_read, str.length(), "total_read");
}
catch (IOException e)
{
harness.debug(e);
harness.check(false);
}
} // main
} // class MarkReset
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