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author | Aaron M. Renn <arenn@urbanophile.com> | 1998-08-02 00:40:14 +0000 |
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committer | Aaron M. Renn <arenn@urbanophile.com> | 1998-08-02 00:40:14 +0000 |
commit | a8ffef5b2767ef3d4848ee6498d0502c0908193f (patch) | |
tree | 85d9907ff6c5d50920d5e65bf1c63b7e2e81d11f /test/java.io/PipedReaderWriterTest.java | |
parent | 82f129735a99b3fbf0b72c2e45d1282dcae23694 (diff) | |
download | classpath-a8ffef5b2767ef3d4848ee6498d0502c0908193f.tar.gz |
Initial Checkin
Diffstat (limited to 'test/java.io/PipedReaderWriterTest.java')
-rw-r--r-- | test/java.io/PipedReaderWriterTest.java | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/test/java.io/PipedReaderWriterTest.java b/test/java.io/PipedReaderWriterTest.java new file mode 100644 index 000000000..92b496cd3 --- /dev/null +++ b/test/java.io/PipedReaderWriterTest.java @@ -0,0 +1,136 @@ +/************************************************************************* +/* PipedReaderWriterTest.java -- Tests Piped{Reader,Writers}'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., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA +/*************************************************************************/ + +import java.io.*; + +public class PipedReaderWriterTest +{ + +public static void +main(String[] argv) +{ + // 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 PipedReader and PipedWriter"); + + System.out.println("Test 1: Basic pipe test"); + + // Set up the thread to write + PipedTestWriter ptw = new PipedTestWriter(); + String str = ptw.getStr(); + PipedWriter pw = ptw.getWriter(); + + // Now set up our reader + PipedReader pr = new PipedReader(); + pr.connect(pw); + new Thread(ptw).start(); + + char[] buf = new char[12]; + int chars_read, total_read = 0; + while((chars_read = pr.read(buf)) != -1) + { + System.out.print(new String(buf, 0, chars_read)); + System.out.flush(); + System.gc(); // A short delay + total_read += chars_read; + } + + if (total_read == str.length()) + System.out.println("PASSED: Basic pipe test"); + else + System.out.println("FAILED: Basic pipe test"); + } + catch (IOException e) + { + System.out.println("FAILED: Basic pipe test: " + e); + } +} + +} // class PipedReaderWriterTest + +class PipedTestWriter implements Runnable +{ + +String str; +StringReader sbr; +PipedWriter out; + +public +PipedTestWriter() +{ + str = "In college, there was a tradition going for a while that people\n" + + "would get together and hang out at Showalter Fountain - in the center\n" + + "of Indiana University's campus - around midnight. It was mostly folks\n" + + "from the computer lab and just people who liked to use the Forum\n" + + "bbs system on the VAX. IU pulled the plug on the Forum after I left\n" + + "despite its huge popularity. Now they claim they are just giving\n" + + "students what they want by cutting deals to make the campus all\n" + + "Microsoft.\n"; + + sbr = new StringReader(str); + + out = new PipedWriter(); +} + +public PipedWriter +getWriter() +{ + return(out); +} + +public String +getStr() +{ + return(str); +} + +public void +run() +{ + char[] buf = new char[32]; + + int chars_read; + + try + { + int b = sbr.read(); + out.write(b); + + while ((chars_read = sbr.read(buf)) != -1) + out.write(buf, 0, chars_read); + + out.close(); + } + catch(IOException e) + { + System.out.println("FAILED: Basic pipe test: " + e); + } + +} + +} // PipedTestWriter + |