Dup options hash to prevent modifications

`options[:default]` and `options[:raise]` can be mistakenly added to the `options` hash. This can be a problem if you're reusing the same object.

1 files changed, 6 insertions, 0 deletions

diff --git a/actionview/test/template/translation_helper_test.rb b/actionview/test/template/translation_helper_test.rb
index c4770840fb..f166668a60 100644
--- a/actionview/test/template/translation_helper_test.rb
+++ b/actionview/test/template/translation_helper_test.rb
@@ -151,4 +151,10 @@ class TranslationHelperTest < ActiveSupport::TestCase
     translation = translate(:'translations.missing', default: ['A Generic String', 'Second generic string'])
     assert_equal 'A Generic String', translation
   end
+
+  def test_translate_doesnt_change_options
+    options = {}
+    translate(:'translations.missing', options)
+    assert_equal options, {}
+  end
 end