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

  final ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
  final LittleEndianDataOutputStream littleEndianOut = new LittleEndianDataOutputStream(byteOut);
  littleEndianOut.writeUTF(randomUUID().toString());
  littleEndianOut.close();
}