1 files changed, 10 insertions, 6 deletions
diff --git a/activerecord/test/cases/connection_adapters/type_lookup_test.rb b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
index 18df30faf5..3958c3bfff 100644
--- a/activerecord/test/cases/connection_adapters/type_lookup_test.rb
+++ b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
@@ -77,12 +77,16 @@ module ActiveRecord
         assert_lookup_type :integer, 'tinyint'
         assert_lookup_type :integer, 'smallint'
         assert_lookup_type :integer, 'bigint'
-        assert_lookup_type :integer, 'decimal(2)'
-        assert_lookup_type :integer, 'decimal(2,0)'
-        assert_lookup_type :integer, 'numeric(2)'
-        assert_lookup_type :integer, 'numeric(2,0)'
-        assert_lookup_type :integer, 'number(2)'
-        assert_lookup_type :integer, 'number(2,0)'
+      end
+
+      def test_decimal_without_scale
+        types = %w{decimal(2) decimal(2,0) numeric(2) numeric(2,0) number(2) number(2,0)}
+        types.each do |type|
+          cast_type = @connection.type_map.lookup(type)
+
+          assert_equal :decimal, cast_type.type
+          assert_equal 2, cast_type.type_cast(2.1)
+        end
       end
 
       private