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/*************************************************************************
/* PipedStreamTest.java -- Tests Piped{Input,Output}Stream'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 PipedStreamTest
{
public static void
main(String[] argv) throws InterruptedException
{
// Set up a reasonable buffer size for this test if one is not already
// specified
String prop = System.getProperty("gnu.java.io.pipe_size");
// if (prop == null)
// System.setProperty("gnu.java.io.pipe_size", "32");
try
{
System.out.println("Started test of PipedInputStream and " +
"PipedOutputStream");
System.out.println("Test 1: Basic piped stream test");
// Set up the thread to write
PipedStreamTestWriter pstw = new PipedStreamTestWriter();
String str = pstw.getStr();
PipedOutputStream pos = pstw.getStream();
// Now set up our reader
PipedInputStream pis = new PipedInputStream();
pis.connect(pos);
new Thread(pstw).start();
byte[] buf = new byte[12];
int bytes_read, total_read = 0;
while((bytes_read = pis.read(buf)) != -1)
{
System.out.print(new String(buf, 0, bytes_read));
System.out.flush();
Thread.sleep(10); // A short delay
total_read += bytes_read;
}
if (total_read == str.length())
System.out.println("PASSED: Basic piped stream test");
else
System.out.println("FAILED: Basic piped stream test");
}
catch (IOException e)
{
System.out.println("FAILED: Basic piped stream test: " + e);
}
}
} // class PipedStreamTest
class PipedStreamTestWriter implements Runnable
{
String str;
StringBufferInputStream sbis;
PipedOutputStream out;
public
PipedStreamTestWriter()
{
str = "I went to work for Andersen Consulting after I graduated\n" +
"from college. They sent me to their training facility in St. Charles,\n" +
"Illinois and tried to teach me COBOL. I didn't want to learn it.\n" +
"The instructors said I had a bad attitude and I got a green sheet\n" +
"which is a nasty note in your file saying what a jerk you are.\n";
sbis = new StringBufferInputStream(str);
out = new PipedOutputStream();
}
public PipedOutputStream
getStream()
{
return(out);
}
public String
getStr()
{
return(str);
}
public void
run()
{
byte[] buf = new byte[32];
int bytes_read;
try
{
int b = sbis.read();
out.write(b);
while ((bytes_read = sbis.read(buf)) != -1)
out.write(buf, 0, bytes_read);
out.close();
}
catch(IOException e)
{
System.out.println("FAILED: Basic piped stream test: " + e);
}
}
}
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