135 lines
3.5 KiB
Java
135 lines
3.5 KiB
Java
/*************************************************************************
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/* PipedStreamTest.java -- Tests Piped{Input,Output}Stream's
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/*
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/* Copyright (c) 1998 Free Software Foundation, Inc.
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/* Written by Aaron M. Renn (arenn@urbanophile.com)
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/*
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/* This program is free software; you can redistribute it and/or modify
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/* it under the terms of the GNU General Public License as published
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/* by the Free Software Foundation, either version 2 of the License, or
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/* (at your option) any later version.
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/*
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/* This program is distributed in the hope that it will be useful, but
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/* WITHOUT ANY WARRANTY; without even the implied warranty of
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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/* GNU General Public License for more details.
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/*
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/* You should have received a copy of the GNU General Public License
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/* along with this program; if not, write to the Free Software Foundation
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/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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/*************************************************************************/
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import java.io.*;
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public class PipedStreamTest
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{
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public static void
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main(String[] argv) throws InterruptedException
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{
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// Set up a reasonable buffer size for this test if one is not already
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// specified
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String prop = System.getProperty("gnu.java.io.pipe_size");
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// if (prop == null)
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// System.setProperty("gnu.java.io.pipe_size", "32");
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try
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{
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System.out.println("Started test of PipedInputStream and " +
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"PipedOutputStream");
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System.out.println("Test 1: Basic piped stream test");
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// Set up the thread to write
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PipedStreamTestWriter pstw = new PipedStreamTestWriter();
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String str = pstw.getStr();
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PipedOutputStream pos = pstw.getStream();
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// Now set up our reader
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PipedInputStream pis = new PipedInputStream();
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pis.connect(pos);
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new Thread(pstw).start();
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byte[] buf = new byte[12];
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int bytes_read, total_read = 0;
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while((bytes_read = pis.read(buf)) != -1)
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{
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System.out.print(new String(buf, 0, bytes_read));
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System.out.flush();
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Thread.sleep(10); // A short delay
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total_read += bytes_read;
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}
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if (total_read == str.length())
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System.out.println("PASSED: Basic piped stream test");
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else
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System.out.println("FAILED: Basic piped stream test");
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}
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catch (IOException e)
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{
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System.out.println("FAILED: Basic piped stream test: " + e);
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}
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}
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} // class PipedStreamTest
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class PipedStreamTestWriter implements Runnable
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{
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String str;
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StringBufferInputStream sbis;
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PipedOutputStream out;
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public
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PipedStreamTestWriter()
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{
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str = "I went to work for Andersen Consulting after I graduated\n" +
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"from college. They sent me to their training facility in St. Charles,\n" +
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"Illinois and tried to teach me COBOL. I didn't want to learn it.\n" +
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"The instructors said I had a bad attitude and I got a green sheet\n" +
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"which is a nasty note in your file saying what a jerk you are.\n";
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sbis = new StringBufferInputStream(str);
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out = new PipedOutputStream();
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}
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public PipedOutputStream
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getStream()
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{
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return(out);
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}
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public String
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getStr()
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{
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return(str);
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}
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public void
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run()
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{
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byte[] buf = new byte[32];
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int bytes_read;
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try
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{
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int b = sbis.read();
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out.write(b);
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while ((bytes_read = sbis.read(buf)) != -1)
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out.write(buf, 0, bytes_read);
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out.close();
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}
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catch(IOException e)
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{
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System.out.println("FAILED: Basic piped stream test: " + e);
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}
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}
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}
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