1 files changed, 6 insertions, 0 deletions
diff --git a/activemodel/test/cases/validations_test.rb b/activemodel/test/cases/validations_test.rb
index 2f4376bd41..ed4d8fcdca 100644
--- a/activemodel/test/cases/validations_test.rb
+++ b/activemodel/test/cases/validations_test.rb
@@ -330,4 +330,10 @@ class ValidationsTest < ActiveModel::TestCase
       Topic.new.valid?
     end
   end
+
+  def test_does_not_modify_options_argument
+    options = {:presence => true}
+    Topic.validates :title, options
+    assert_equal({:presence => true}, options)
+  end
 end