tests/kaffe/PipeTest.java

   1 /**
   2  * Test case for PR#690.
   3  * The read method of java.io.PipedInputStream has no 'early out'.
   4  *
   5  * @author Win van Velthoven <ftu@fi.uu.nl>
   6  */
   7 import java.io.*;
   8 class PipeTest extends Thread
   9 {
  10         PipedInputStream in;
  11         PipedOutputStream out;
  12
  13         InputStreamReader isr;
  14         OutputStreamWriter osw;
  15
  16         BufferedReader br;
  17         PrintWriter pw;
  18
  19         PipeTest() throws IOException
  20         {
  21                 in = new PipedInputStream();
  22                 isr = new InputStreamReader(in);
  23                 br  = new BufferedReader(isr);
  24                 out = new PipedOutputStream(in);
  25                 osw = new OutputStreamWriter(out);
  26                 pw  = new PrintWriter(osw,true);
  27         }
  28
  29         public void run()
  30         {
  31            try
  32            {
  33                 String line = br.readLine();
  34                 System.out.println(line);
  35            } catch(IOException _) {}
  36         }
  37
  38         public static void main(String[] args)  throws IOException
  39         {
  40            PipeTest t = new PipeTest();
  41            t.start();
  42            t.pw.println("PipeTest");
  43         }
  44 }
  45 /* Expected Output:
  46 PipeTest
  47 */