1 files changed, 12 insertions, 0 deletions
diff --git a/activerecord/test/cases/store_test.rb b/activerecord/test/cases/store_test.rb
index e401dd4b12..3e60b62fd5 100644
--- a/activerecord/test/cases/store_test.rb
+++ b/activerecord/test/cases/store_test.rb
@@ -34,6 +34,11 @@ class StoreTest < ActiveRecord::TestCase
     assert @john.settings_changed?
   end
 
+  test "updating the store won't mark it as changed if an attribute isn't changed" do
+    @john.color = @john.color
+    assert !@john.settings_changed?
+  end
+
   test "object initialization with not nullable column" do
     assert_equal true, @john.remember_login
   end
@@ -115,4 +120,11 @@ class StoreTest < ActiveRecord::TestCase
   test "stored attributes are returned" do
     assert_equal [:color, :homepage], Admin::User.stored_attributes[:settings]
   end
+
+  test "stores_attributes are class level settings" do
+    assert_raise NoMethodError do
+      @john.stored_attributes = {}
+    end
+  end
+
 end