-array[array[1,2,3],array[4,5,6],array[NULL::int,NULL::int,NULL::int]] as intarray
+array[array[1,2,3],array[4,5,6],array[NULL::int,NULL::int,NULL::int]] as intarray,
+array[box(point(1,2),point(2,3)),box(point(4,5),point(5,6))] as boxarray,
+array[]::text[] as emptyarray,
+'foo\n'::bytea as bytea,
+'foo\n'::bytea::text as bytea_text