more tests
diff --git a/test/kll_sketch_test.sql b/test/kll_sketch_test.sql
index d62edde..e36ee46 100644
--- a/test/kll_sketch_test.sql
+++ b/test/kll_sketch_test.sql
@@ -25,5 +25,9 @@
-- k = 20, rank of value 6
select kll_float_sketch_get_rank(kll_float_sketch_merge(sketch, 20), 6) as rank from kll_sketch_test;
+select kll_float_sketch_get_pmf(kll_float_sketch_merge(sketch, 20), array[2, 5, 7]) as pmf from kll_sketch_test;
+select kll_float_sketch_get_cdf(kll_float_sketch_merge(sketch, 20), array[2, 5, 7]) as cdf from kll_sketch_test;
+select kll_float_sketch_get_histogram(kll_float_sketch_merge(sketch, 20), 5) as histogram from kll_sketch_test;
+
drop table kll_sketch_test;
drop extension datasketches;
