1 files changed, 5 insertions, 0 deletions
diff --git a/activerecord/test/cases/connection_adapters/connection_handler_test.rb b/activerecord/test/cases/connection_adapters/connection_handler_test.rb
index 51d0cc3d12..6282759a10 100644
--- a/activerecord/test/cases/connection_adapters/connection_handler_test.rb
+++ b/activerecord/test/cases/connection_adapters/connection_handler_test.rb
@@ -382,6 +382,11 @@ module ActiveRecord
           assert_not_nil ActiveRecord::Base.connection
           assert_same klass2.connection, ActiveRecord::Base.connection
         end
+
+        def test_default_handlers_are_writing_and_reading
+          assert_equal :writing, ActiveRecord::Base.writing_role
+          assert_equal :reading, ActiveRecord::Base.reading_role
+        end
       end
     end
   end