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

		if (data.size() != 2) {
			onInvalidDataReceived(device, data);
			return;
		}

		final int value = data.getIntValue(Data.FORMAT_UINT16_LE, 0);
		final GlucoseFeatures features = new GlucoseFeatures(value);
		onGlucoseFeaturesReceived(device, features);
	}
@Test
	public void onInvalidDataReceived() {
		final Data data = new Data();
		callback.onDataReceived(null, data);
		assertTrue(invalidData);
	}