2 files changed, 7 insertions, 1 deletions
diff --git a/activesupport/test/number_helper_i18n_test.rb b/activesupport/test/number_helper_i18n_test.rb
index 4d0d5e8631..65aecece71 100644
--- a/activesupport/test/number_helper_i18n_test.rb
+++ b/activesupport/test/number_helper_i18n_test.rb
@@ -56,6 +56,13 @@ module ActiveSupport
       assert_equal("-$10.00", number_to_currency(-10, :locale => 'empty'))
     end
 
+    def test_locale_default_format_has_precedence_over_helper_defaults
+      I18n.backend.store_translations 'ts',
+        { :number => { :format => { :separator => ";" } } }
+
+      assert_equal("&$ - 10;00", number_to_currency(10, :locale => 'ts'))
+    end
+
     def test_number_to_currency_without_currency_negative_format
       I18n.backend.store_translations 'no_negative_format', :number => {
         :currency => { :format => { :unit => '@', :format => '%n %u' } }
diff --git a/activesupport/test/number_helper_test.rb b/activesupport/test/number_helper_test.rb
index f26d75edfb..5f54587f93 100644
--- a/activesupport/test/number_helper_test.rb
+++ b/activesupport/test/number_helper_test.rb
@@ -369,7 +369,6 @@ module ActiveSupport
           assert number_helper.respond_to?(:valid_float?, true)
         end
       end
-
     end
   end
 end