byte[] array = reading.toByteArray();
String string = reading.toString();
String encoded = DatatypeConverter.printBase64Binary(array);
byte[] decoded = DatatypeConverter.parseBase64Binary(encoded);
Reading newReading = ReadingBuffer.Reading.parseFrom(decoded);
String newString = newReading.toString();
assertEquals(reading, newReading);
assertEquals(string, newString);
}