gcc/libjava/classpath/test/java.io/ByteArrayInputStreamTest.java
Tom Tromey f911ba985a Initial revision
From-SVN: r102074
2005-07-16 00:30:23 +00:00

174 lines
5.1 KiB
Java

/*************************************************************************
/* ByteArrayInputStreamTest.java -- Test ByteArrayInputStream'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 ByteArrayInputStreamTest extends ByteArrayInputStream
{
public
ByteArrayInputStreamTest(byte[] b)
{
super(b);
}
public static void
main(String[] argv)
{
System.out.println("Starting test of ByteArrayInputStream.");
System.out.flush();
String str = "My sophomore year of college I moved out of the dorms. I\n" +
"moved in with three friends into a brand new townhouse in east\n" +
"Bloomington at 771 Woodbridge Drive. To this day that was the\n" +
"nicest place I've ever lived.\n";
byte[] str_bytes = str.getBytes();
System.out.println("Test 1: Protected Variables");
ByteArrayInputStreamTest bais = new ByteArrayInputStreamTest(str_bytes);
byte[] read_buf = new byte[12];
try
{
bais.read(read_buf);
bais.mark(0);
boolean passed = true;
if (bais.mark != read_buf.length)
{
passed = false;
System.out.println("The mark variable is wrong. Expected " +
read_buf.length + " and got " + bais.mark);
}
bais.read(read_buf);
if (bais.pos != (read_buf.length * 2))
{
passed = false;
System.out.println("The pos variable is wrong. Expected 24 and got " +
bais.pos);
}
if (bais.count != str_bytes.length)
{
passed = false;
System.out.println("The count variable is wrong. Expected " +
str_bytes.length + " and got " + bais.pos);
}
if (bais.buf != str_bytes)
{
passed = false;
System.out.println("The buf variable is not correct");
}
if (passed)
System.out.println("PASSED: Protected Variables Test");
else
System.out.println("FAILED: Protected Variables Test");
}
catch (IOException e)
{
System.out.println("FAILED: Protected Variables Test: " + e);
}
System.out.println("Test 2: Simple Read Test");
bais = new ByteArrayInputStreamTest(str_bytes);
try
{
int bytes_read, total_read = 0;
while ((bytes_read = bais.read(read_buf, 0, read_buf.length)) != -1)
{
System.out.print(new String(read_buf, 0, bytes_read));
total_read += bytes_read;
}
bais.close();
if (total_read == str.length())
System.out.println("PASSED: Simple Read Test");
else
System.out.println("FAILED: Simple Read Test");
}
catch (IOException e)
{
System.out.println("FAILED: Simple Read Test: " + e);
}
System.out.println("Test 3: mark/reset/available/skip test");
bais = new ByteArrayInputStreamTest(str_bytes);
try
{
boolean passed = true;
bais.read(read_buf);
if (bais.available() != (str_bytes.length - read_buf.length))
{
passed = false;
System.out.println("available() reported " + bais.available() +
" and " + (str_bytes.length - read_buf.length) +
" was expected");
}
if (bais.skip(5) != 5)
{
passed = false;
System.out.println("skip() didn't work");
}
if (bais.available() != (str_bytes.length - (read_buf.length + 5)))
{
passed = false;
System.out.println("skip() lied");
}
if (!bais.markSupported())
{
passed = false;
System.out.println("markSupported() should have returned true but returned false");
}
bais.mark(0);
int availsave = bais.available();
bais.read();
bais.reset();
if (bais.available() != availsave)
{
passed = false;
System.out.println("mark/reset failed to work");
}
if (passed)
System.out.println("PASSED: mark/reset/available/skip test");
else
System.out.println("FAILED: mark/reset/available/skip test");
}
catch(IOException e)
{
System.out.println("FAILED: mark/reset/available/skip test: " + e);
}
System.out.println("Finished ByteArrayInputStream test");
}
}