1 files changed, 19 insertions, 1 deletions
diff --git a/actionpack/test/template/form_helper_test.rb b/actionpack/test/template/form_helper_test.rb
index 454b6159ab..0c5c5d17ee 100644
--- a/actionpack/test/template/form_helper_test.rb
+++ b/actionpack/test/template/form_helper_test.rb
@@ -31,7 +31,10 @@ class FormHelperTest < ActionView::TestCase
         :submit => {
           :create => 'Create {{model}}',
           :update => 'Confirm {{model}} changes',
-          :submit => 'Save changes'
+          :submit => 'Save changes',
+          :another_post => {
+            :update => 'Update your {{model}}'
+          }
         }
       }
     }
@@ -550,6 +553,21 @@ class FormHelperTest < ActionView::TestCase
     I18n.locale = old_locale
   end
 
+  def test_submit_with_object_and_nested_lookup
+    old_locale, I18n.locale = I18n.locale, :submit
+
+    form_for(:another_post, @post) do |f|
+      concat f.submit
+    end
+
+    expected = "<form action='http://www.example.com' method='post'>" +
+               "<input name='commit' id='another_post_submit' type='submit' value='Update your Post' />" +
+               "</form>"
+    assert_dom_equal expected, output_buffer
+  ensure
+    I18n.locale = old_locale
+  end
+
   def test_nested_fields_for
     form_for(:post, @post) do |f|
       f.fields_for(:comment, @post) do |c|