// The stream reports no bytes... importantly, it doesn't read the byte at index 5 when it
    // should be reading the byte at index 10.
    // We could use a custom InputStream instead to make the read start at index 10, but since this
    // is a racy situation anyway, this behavior seems reasonable.
    assertEquals(-1, in.read());
  }

  private static class AppendableByteSource extends ByteSource {

    HashingInputStream in = new HashingInputStream(Hashing.md5(), buffer);

    byte[] buf = new byte[100];
    int numOfByteRead = in.read(buf, 0, buf.length);
    assertEquals(-1, in.read()); // additional read
    assertEquals(4, numOfByteRead);

    assertEquals(expectedHash, in.hash());
  }

  public void testHash_hashesCorrectlyForSkipping() throws Exception {

    assertTrue(source.wasStreamOpened());
    assertFalse(source.wasStreamClosed());

    StringWriter writer = new StringWriter();
    char[] buf = new char[64];
    int read;
    while ((read = reader.read(buf)) != -1) {
      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

    assertTrue(source.wasStreamClosed());
    assertEquals(STRING, writer.toString());
  }

 *
 * @throws IOException if a network error occurs
 */

    public int read( byte[] b ) throws IOException {
        return read( b, 0, b.length );
    }

/**
 * Reads up to len bytes of data from this input stream into an array of bytes.
 *
 * @throws IOException if a network error occurs
 */

    public int read( byte[] b, int off, int len ) throws IOException {
        return readDirect(b, off, len);

 *       block indefinitely or fail if the source creates an infinite stream.
 *   <li><b>Non-destructive:</b> A <i>destructive</i> stream will consume or otherwise alter the
 *       bytes of the source as they are read from it. A source that provides such streams will not
 *       be reusable, and operations that read from the stream (including {@link #size()}, in some

     */

    @Override
    public int read ( byte[] b ) throws IOException {
        return read(b, 0, b.length);
    }


    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public int read ( byte[] b, int off, int len ) throws IOException {

    out.writeDouble(Double.longBitsToDouble(0xDEADBEEFCAFEBABEL));

    byte[] data = baos.toByteArray();

    /* Setup input streams */
    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */
    byte[] b = new byte[2];
    in.readFully(b);
    assertEquals(-100, b[0]);
    assertEquals(100, b[1]);
    assertEquals(true, in.readBoolean());
    assertEquals(false, in.readBoolean());

        type = TYPE_NAMED_PIPE;
    }

    /**
     * Return the <code>InputStream</code> used to read information
     * from this pipe instance. Presumably data would first be written
     * to the <code>OutputStream</code> associated with this Named
     * Pipe instance although this is not a requirement (e.g. a
     * read-only named pipe would write data to this stream on

            if (peekc == '\r') {
                peekc = read();
                if (peekc == '\n') {
                    peekc = read();
                }
            } else {
                peekc = read();
            }
            if (peekc < 0) {
                ttype = TT_EOF;
                return true;
            }
            peekct = peekc < 256 ? ctype[peekc] : CT_ALPHA;

            if (inputStream != null) {
                return xml.read(inputStream, request.isStrict(), source);
            } else if (reader != null) {
                return xml.read(reader, request.isStrict(), source);
            } else if (path != null) {
                try (InputStream is = Files.newInputStream(path)) {
                    return xml.read(is, request.isStrict(), source);
                }
            } else {