third_party/WebKit/LayoutTests/fast/dom/collection-idempotence.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <meta charset="utf-8">
   5 <script src="../../resources/js-test.js"></script>
   6 </head>
   7 <body>
   8 <table><tr><td></td></tr></table>
   9 <map><area></area></map>
  10 <select><option></option></select>
  11 <script>
  12
  13 description("This test verifies that collection getters return the same collection when called repeatedly.");
  14
  15 var collections = [
  16     "document.all",
  17     "document.images",
  18     "document.embeds",
  19     "document.applets",
  20     "document.links",
  21     "document.forms",
  22     "document.anchors",
  23     "document.scripts",
  24     "document.getElementsByTagName('table')[0].rows[0].cells",
  25     "document.getElementsByTagName('table')[0].tBodies",
  26     "document.getElementsByTagName('table')[0].tBodies[0].rows",
  27     "document.body.children",
  28     "document.getElementsByTagName('map')[0].areas",
  29     "document.getElementsByTagName('select')[0].options"
  30 ];
  31
  32 for (var i = 0; i < collections.length; ++i) {
  33     shouldBe(collections[i], collections[i]);
  34     shouldBeTrue(collections[i] + " === " + collections[i]);
  35 }
  36
  37 </script>
  38 </body>
  39 </html>