assert(Youtube.owns_url?('http://www.youtube.com/watch?v=83-hlYMH1XE'))
assert(Youtube.owns_url?('http://www.youtube.com/watch?v=83-hlYMH1XE&feature=dir'))
assert(Youtube.owns_url?('http://in.youtube.com/watch?v=VcydqSpYN00&feature=channel_page'))
assert(Youtube.owns_url?('http://www.youtube.com/watch?v=83-hlYMH1XE'))
assert(Youtube.owns_url?('http://www.youtube.com/watch?v=83-hlYMH1XE&feature=dir'))
assert(Youtube.owns_url?('http://in.youtube.com/watch?v=VcydqSpYN00&feature=channel_page'))