list<ContentVideo> v;
v = decoder.get_video (i, true);
if (i < first) {
- BOOST_CHECK (v.empty ());
+ BOOST_CHECK_MESSAGE (v.empty (), "Request for " << i << " in " << file << " returned " << v.size());
} else {
BOOST_CHECK (v.size() == 1);
BOOST_CHECK_EQUAL (v.front().frame, i);