Examples of java.io.PipedInputStream.available()

java.io.PipedInputStream.available()
Answers a int representing the number of bytes that are available before this PipedInputStream will block. This method returns the number of bytes written to the pipe but not read yet up to the size of the pipe. @return int the number of bytes available before blocking. @throws IOException If an error occurs in this stream.

        os.write("test1".getBytes());
        os.flush();
        ostc.write("test2".getBytes());
        ostc.flush();
        Thread.sleep(1000);
        if(pi.available() == 0)
        {
            stopspy_ok = true;
        }

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        os.flush();


        Thread.sleep(1000);
        byte buffer[] = new byte[5];


        if(pi.available() == 5)
        {
            pi.read(buffer);
            if (equalBytes(buffer, expected1)) {
                test1spy_ok = true;
            }

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        ostc.write("test2".getBytes());
        ostc.flush();


        Thread.sleep(1000);


        if(pi.available() == 5)
        {
            pi.read(buffer);
            if (equalBytes(buffer, expected2)) {
                test2spy_ok = true;
            }

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        os.write("test1".getBytes());
        os.flush();
        ostc.write("test2".getBytes());
        ostc.flush();
        Thread.sleep(1000);
        if(pi.available() == 0)
        {
            stopspy_ok = true;
        }

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        // Writing another byte would cause the write to wait
        // for a read before returning
        for (int i = 0; i < 1024; i++) {
            pout.write(i);
        }
        assertEquals("Incorrect available count", 1024, pin.available());
    }


    /**
     * @tests java.io.PipedInputStream#close()
     */

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        // Writing another byte would cause the write to wait
        // for a read before returning
        for (int i = 0; i < 1024; i++) {
            pout.write(i);
        }
        assertEquals("Incorrect available count", 1024 , pin.available());
    }


  /**
   * @tests java.io.PipedInputStream#close()
   */

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    String pattern = "List of all the available keys:";
    PipedOutputStream pipeOut = new PipedOutputStream();
    PipedInputStream pipeIn = new PipedInputStream(pipeOut);
    System.setErr(new PrintStream(pipeOut));
    jmx.printAllValues();
    if ((size = pipeIn.available()) != 0) {
      bytes = new byte[size];
      pipeIn.read(bytes, 0, bytes.length);            
    }
    pipeOut.close();
    pipeIn.close();

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        // Writing another byte would cause the write to wait
        // for a read before returning
        for (int i = 0; i < 1024; i++) {
            pout.write(i);
        }
        assertEquals("Incorrect available count", 1024, pin.available());
    }


    /**
     * @tests java.io.PipedInputStream#close()
     */

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            protected static final int PIPE_SIZE = 1024;
        };


        final PipedOutputStream outPipe = new PipedOutputStream(inPipe) {
            public void close() throws IOException {
                while (inPipe.available() > 0) {
                    try {
                        Thread.sleep(500);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

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      PipedOutputStream out = null;
      closeStream(out);
      out = new PipedOutputStream();
      PipedInputStream snk = new PipedInputStream();
      out.connect(snk);
      System.out.println(snk.available());
      writeUTF8(out, "This is so good");
      System.out.println(snk.available());
      assertEquals(15, snk.available());
  }

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