@Override
	public void onDataReceived(@NonNull final BluetoothDevice device, @NonNull final Data data) {
		super.onDataReceived(device, data);

		final Integer offset = readTimeZone(data, 0);
		if (offset == null) {
			onInvalidDataReceived(device, data);
			return;
		}

		if (offset == -128) {
			onUnknownTimeZoneReceived(device);
		} else if (offset < -48 || offset > 56) {
			onInvalidDataReceived(device, data);
		} else {
			onTimeZoneReceived(device, offset * 15);
		}
	}
@Test
	public void onTimeZoneReceived_invalid() {
		final Data data = new Data(new byte[] { 60 });
		callback.onDataReceived(null, data);
		assertTrue(invalidData);
	}