diff --git a/test/functional/repositories_mercurial_controller_test.rb b/test/functional/repositories_mercurial_controller_test.rb
index 7451fb56f..698c33d07 100644
--- a/test/functional/repositories_mercurial_controller_test.rb
+++ b/test/functional/repositories_mercurial_controller_test.rb
@@ -282,14 +282,19 @@ class RepositoriesMercurialControllerTest < ActionController::TestCase
       @repository.reload
       [2, '400bb8672109', '400', 400].each do |r1|
         [4, 'def6d2f1254a'].each do |r2|
-          get :diff, :id => PRJ_ID, :rev    => r1,
-                                    :rev_to => r2
-          assert_response :success
-          assert_template 'diff'
-
-          diff = assigns(:diff)
-          assert_not_nil diff
-          assert_tag :tag => 'h2', :content => /4:def6d2f1254a 2:400bb8672109/
+          ['inline', 'sbs'].each do |dt|
+            get :diff,
+                :id     => PRJ_ID,
+                :rev    => r1,
+                :rev_to => r2,
+                :type => dt
+            assert_response :success
+            assert_template 'diff'
+            diff = assigns(:diff)
+            assert_not_nil diff
+            assert_tag :tag => 'h2',
+                       :content => /4:def6d2f1254a 2:400bb8672109/
+          end
         end
       end
     end