const LogicDataSnapshot::MipMapLevel &m = s._mip_map[i];
BOOST_CHECK_EQUAL(m.length, 0);
BOOST_CHECK_EQUAL(m.data_length, 0);
const LogicDataSnapshot::MipMapLevel &m = s._mip_map[i];
BOOST_CHECK_EQUAL(m.length, 0);
BOOST_CHECK_EQUAL(m.data_length, 0);