1 files changed, 7 insertions, 5 deletions
diff --git a/activerecord/test/cases/connection_adapters/type_lookup_test.rb b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
index a348c2d783..1c79d776f0 100644
--- a/activerecord/test/cases/connection_adapters/type_lookup_test.rb
+++ b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cases/helper"
 
 unless current_adapter?(:PostgreSQLAdapter) # PostgreSQL does not use type strings for lookup
@@ -80,11 +82,11 @@ unless current_adapter?(:PostgreSQLAdapter) # PostgreSQL does not use type strin
         end
 
         def test_bigint_limit
-          cast_type = @connection.type_map.lookup("bigint")
+          limit = @connection.send(:type_map).lookup("bigint").send(:_limit)
           if current_adapter?(:OracleAdapter)
-            assert_equal 19, cast_type.limit
+            assert_equal 19, limit
           else
-            assert_equal 8, cast_type.limit
+            assert_equal 8, limit
           end
         end
 
@@ -98,7 +100,7 @@ unless current_adapter?(:PostgreSQLAdapter) # PostgreSQL does not use type strin
             { decimal: %w{decimal(2) decimal(2,0) numeric(2) numeric(2,0) number(2) number(2,0)} }
           end.each do |expected_type, types|
             types.each do |type|
-              cast_type = @connection.type_map.lookup(type)
+              cast_type = @connection.send(:type_map).lookup(type)
 
               assert_equal expected_type, cast_type.type
               assert_equal 2, cast_type.cast(2.1)
@@ -109,7 +111,7 @@ unless current_adapter?(:PostgreSQLAdapter) # PostgreSQL does not use type strin
         private
 
           def assert_lookup_type(type, lookup)
-            cast_type = @connection.type_map.lookup(lookup)
+            cast_type = @connection.send(:type_map).lookup(lookup)
             assert_equal type, cast_type.type
           end
       end