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.

      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());
  }


  @Test(expected=IOException.class)
  public void testWriteUTF8Error() throws IOException {

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      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());
  }


  @Test(expected=IOException.class)
  public void testWriteUTF8Error() throws IOException {
      OutputStream out = mock(OutputStream.class);

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      PipedOutputStream out = null;
      closeStream(out);
      out = new PipedOutputStream();
      PipedInputStream snk = new PipedInputStream();
      out.connect(snk);
      System.out.println(snk.available());
      writeUTF8IgnoreException(out, "This is so good");
      System.out.println(snk.available());
      assertEquals(15, snk.available());
  }

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      out = new PipedOutputStream();
      PipedInputStream snk = new PipedInputStream();
      out.connect(snk);
      System.out.println(snk.available());
      writeUTF8IgnoreException(out, "This is so good");
      System.out.println(snk.available());
      assertEquals(15, snk.available());
  }


  @Test
  public void testWriteUTF8IgnoreExceptionEx() throws Exception {

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      PipedInputStream snk = new PipedInputStream();
      out.connect(snk);
      System.out.println(snk.available());
      writeUTF8IgnoreException(out, "This is so good");
      System.out.println(snk.available());
      assertEquals(15, snk.available());
  }


  @Test
  public void testWriteUTF8IgnoreExceptionEx() throws Exception {
      OutputStream out = mock(OutputStream.class);

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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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        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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