third_party/WebKit/LayoutTests/fast/dom/Text/previous-element-sibling.html

   1 <!DOCTYPE html>
   2 <script src="../../../resources/js-test.js"></script>
   3 <script>
   4
   5 description('This tests the NonDocumentTypeChildNode interface previousElementSibling property on a Text node.');
   6
   7 var element = document.createElement('div');
   8 var a = element.appendChild(new Text('a'));
   9 shouldBeNull('a.previousElementSibling');
  10 var b = element.insertBefore(document.createElement('b'), a);
  11 shouldBe('a.previousElementSibling', 'b');
  12 var c = element.insertBefore(new Comment('c'), a);
  13 shouldBe('a.previousElementSibling', 'b');
  14
  15 </script>