Add more cookie tests

actionpack/test/dispatch/cookies_test.rb

@@ -109,6 +109,12 @@ def clear_encrypted_cookie
       head :ok
     end
 
+    def delete_and_set_signed_permanent_encrypted_cookie
+      cookies.signed.permanent.encrypted.delete :user_name
+      cookies.signed.permanent.encrypted[:user_surname] = 'Smith'
+      head :ok
+    end
+
     def set_cookie_with_domain
       cookies[:user_name] = {:value => "rizwanreza", :domain => :all}
       head :ok
@@ -370,6 +376,14 @@ def test_clear_encrypted_cookie
     assert @controller.send(:cookies).encrypted.deleted?(:user_name)
   end
 
+  def test_delete_and_set_signed_permanent_encrypted_cookie
+    @controller.send(:cookies).signed.permanent.encrypted[:user_name] = 'Joe'
+    get :delete_and_set_signed_permanent_encrypted_cookie
+    assert_nil @controller.send(:cookies)[:user_name]
+    assert_nil @controller.send(:cookies).signed.permanent.encrypted[:user_name]
+    assert_equal @controller.send(:cookies).signed.permanent.encrypted[:user_surname], 'Smith'
+  end
+
   def test_delete_and_set_cookie
     request.cookies[:user_name] = 'Joe'
     get :delete_and_set_cookie