diff --git a/test/expected/sparsevec_functions.out b/test/expected/sparsevec_functions.out
index 581e74c..9ec245a 100644
--- a/test/expected/sparsevec_functions.out
+++ b/test/expected/sparsevec_functions.out
@@ -172,10 +172,12 @@ SELECT inner_product('{1:1,2:2}/2'::sparsevec, '{1:2,2:4}/2');
             10
 (1 row)
 
-SELECT sparsevec_negative_inner_product('{1:1,2:2}/2', '{1:2,2:4}/2');
- sparsevec_negative_inner_product 
-----------------------------------
-                              -10
+SELECT inner_product('{1:1,2:2}/2'::sparsevec, '{1:3}/1');
+ERROR:  different sparsevec dimensions 2 and 1
+SELECT inner_product('{1:3e38}/1'::sparsevec, '{1:3e38}/1');
+ inner_product 
+---------------
+      Infinity
 (1 row)
 
 SELECT cosine_distance('{1:1,2:2}/2'::sparsevec, '{1:2,2:4}/2');
diff --git a/test/sql/sparsevec_functions.sql b/test/sql/sparsevec_functions.sql
index c61ce81..95160c5 100644
--- a/test/sql/sparsevec_functions.sql
+++ b/test/sql/sparsevec_functions.sql
@@ -31,7 +31,8 @@ SELECT l2_distance('{}/2'::sparsevec, '{2:1}/2');
 SELECT '{}/2'::sparsevec <-> '{1:3,2:4}/2';
 
 SELECT inner_product('{1:1,2:2}/2'::sparsevec, '{1:2,2:4}/2');
-SELECT sparsevec_negative_inner_product('{1:1,2:2}/2', '{1:2,2:4}/2');
+SELECT inner_product('{1:1,2:2}/2'::sparsevec, '{1:3}/1');
+SELECT inner_product('{1:3e38}/1'::sparsevec, '{1:3e38}/1');
 
 SELECT cosine_distance('{1:1,2:2}/2'::sparsevec, '{1:2,2:4}/2');
 SELECT cosine_distance('{1:1,2:2}/2'::sparsevec, '{}/2');