// b.r < b.w => buffer is not empty
		m, err := b.writeBuf(w)
		n += m
		if err != nil {
			return n, err
		}
		b.fill() // buffer is empty
	}

	if b.err == io.EOF {
		b.err = nil
	}

	return n, b.readErr()
}

var errNegativeWrite = errors.New("bufio: writer returned negative count from Write")

// writeBuf writes the [Reader]'s buffer to the writer.

    out.writeByte((byte) 200);
    out.writeChar('a');
    out.writeShort((short) -30000);
    out.writeShort((short) 50000);
    out.writeInt(0xCAFEBABE);
    out.writeLong(0xDEADBEEFCAFEBABEL);
    out.writeUTF("Herby Derby");
    out.writeFloat(Float.intBitsToFloat(0xCAFEBABE));
    out.writeDouble(Double.longBitsToDouble(0xDEADBEEFCAFEBABEL));
  }

  public void testReadFully() throws IOException {

  }

  public void testNewDataOutput_writeUTF() {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    out.writeUTF("r\u00C9sum\u00C9");
    byte[] expected = "r\u00C9sum\u00C9".getBytes(UTF_8);
    byte[] actual = out.toByteArray();
    // writeUTF writes the length of the string in 2 bytes
    assertEquals(0, actual[0]);
    assertEquals(expected.length, actual[1]);

    out.writeByte((byte) 200);
    out.writeChar('a');
    out.writeShort((short) -30000);
    out.writeShort((short) 50000);
    out.writeInt(0xCAFEBABE);
    out.writeLong(0xDEADBEEFCAFEBABEL);
    out.writeUTF("Herby Derby");
    out.writeFloat(Float.intBitsToFloat(0xCAFEBABE));
    out.writeDouble(Double.longBitsToDouble(0xDEADBEEFCAFEBABEL));

    byte[] data = baos.toByteArray();

    /* Setup input streams */

    out.writeByte((byte) 200);
    out.writeChar('a');
    out.writeShort((short) -30000);
    out.writeShort((short) 50000);
    out.writeInt(0xCAFEBABE);
    out.writeLong(0xDEADBEEFCAFEBABEL);
    out.writeUTF("Herby Derby");
    out.writeFloat(Float.intBitsToFloat(0xCAFEBABE));
    out.writeDouble(Double.longBitsToDouble(0xDEADBEEFCAFEBABEL));

    byte[] data = baos.toByteArray();

    /* Setup input streams */

  }

  public void testNewDataOutput_writeUTF() {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    out.writeUTF("r\u00C9sum\u00C9");
    byte[] expected = "r\u00C9sum\u00C9".getBytes(UTF_8);
    byte[] actual = out.toByteArray();
    // writeUTF writes the length of the string in 2 bytes
    assertEquals(0, actual[0]);
    assertEquals(expected.length, actual[1]);

     *
     * @param out the output stream to write to
     * @throws IOException if an I/O error occurs during writing
     */
    public void writeOut(final WrittenStreamOut out) throws IOException {
        try (final CurlResponse curlResponse = dictionaryManager.getContentResponse(this);

      try {
        output.writeShort(v);
      } catch (IOException impossible) {
        throw new AssertionError(impossible);
      }
    }

    @Override
    public void writeUTF(String s) {
      try {
        output.writeUTF(s);
      } catch (IOException impossible) {
        throw new AssertionError(impossible);
      }
    }

    @Override
    public byte[] toByteArray() {