diff --git a/test/expected/input.out b/test/expected/input.out
index 3bb11c9..da60022 100644
--- a/test/expected/input.out
+++ b/test/expected/input.out
@@ -12,6 +12,18 @@ SELECT '[-1,2,3]'::vector;
  [-1,2,3]
 (1 row)
 
+SELECT '[1.23456]'::vector;
+  vector   
+-----------
+ [1.23456]
+(1 row)
+
+SELECT '[1.234567]'::vector;
+  vector   
+-----------
+ [1.23457]
+(1 row)
+
 SELECT '[hello,1]'::vector;
 ERROR:  invalid input syntax for type vector: "hello"
 LINE 1: SELECT '[hello,1]'::vector;
@@ -62,3 +74,10 @@ SELECT unnest('{"[1,2,3]", "[4,5,6]"}'::vector[]);
 
 SELECT '{"[1,2,3]"}'::vector(2)[];
 ERROR:  expected 2 dimensions, not 3
+set extra_float_digits = 3;
+SELECT '[1.23456789]'::vector;
+    vector    
+--------------
+ [1.23456788]
+(1 row)
+
diff --git a/test/sql/input.sql b/test/sql/input.sql
index c51dfa1..00a6556 100644
--- a/test/sql/input.sql
+++ b/test/sql/input.sql
@@ -3,6 +3,8 @@ CREATE EXTENSION IF NOT EXISTS vector;
 
 SELECT '[1,2,3]'::vector;
 SELECT '[-1,2,3]'::vector;
+SELECT '[1.23456]'::vector;
+SELECT '[1.234567]'::vector;
 SELECT '[hello,1]'::vector;
 SELECT '[NaN,1]'::vector;
 SELECT '[Infinity,1]'::vector;
@@ -16,3 +18,6 @@ SELECT '[1,2,3]'::vector(2);
 
 SELECT unnest('{"[1,2,3]", "[4,5,6]"}'::vector[]);
 SELECT '{"[1,2,3]"}'::vector(2)[];
+
+set extra_float_digits = 3;
+SELECT '[1.23456789]'::vector;