shared_ptr<DCPContent> reloaded = dynamic_pointer_cast<DCPContent>(film3->content().front());
BOOST_REQUIRE (reloaded);
BOOST_CHECK (reloaded->ratings() == ratings);
shared_ptr<DCPContent> reloaded = dynamic_pointer_cast<DCPContent>(film3->content().front());
BOOST_REQUIRE (reloaded);
BOOST_CHECK (reloaded->ratings() == ratings);