is($cover_cds->count, $artist_cds->count, 'duplicated rows count ok');
#check multi-keyed
-cmp_ok($cover_band->search_related('twokeys')->count, '>', 0, 'duplicated multiPK ok');
+is(
+ $cover_band->search_related('twokeys')->count,
+ $artist->search_related('twokeys')->count,
+ 'duplicated multiPK ok'
+);
#and check copying a few relations away
cmp_ok($cover_cds->search_related('tags')->count, '==',
$artist_cds->search_related('tags')->count , 'duplicated count ok');
+
+# check from the other side
+my $cd = $schema->resultset('CD')->find(1);
+my $dup_cd = $cd->copy ({ title => 'ha!' });
+is(
+ $dup_cd->search_related('twokeys')->count,
+ $cd->search_related('twokeys')->count,
+ 'duplicated multiPK ok'
+);
+
done_testing;