third_party/WebKit/LayoutTests/fast/forms/associatedFormControls-leak-nodes.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <iframe id="frame"></iframe>
   5
   6 <script src="../../resources/js-test.js"></script>
   7 <script>
   8 if (!window.internals) {
   9     debug("This test only runs on \"content_shell --run-layout-test\", as it requires existence of window.internals.");
  10 } else {
  11     testRunner.waitUntilDone();
  12     window.jsTestIsAsync = true;
  13     var documentsBefore;
  14     var documentsAfter;
  15     asyncGC(function() {
  16         documentsBefore = window.internals.numberOfLiveDocuments();
  17
  18         var frame = document.getElementById('frame');
  19         frame.contentDocument.body.innerHTML = '<form></form>';
  20         document.body.removeChild(frame);
  21         frame = null;
  22
  23         asyncGC(function() {
  24             documentsAfter = window.internals.numberOfLiveDocuments();
  25
  26             // -1 is from removing frame itself.
  27             shouldBe('documentsBefore - 1', 'documentsAfter');
  28             finishJSTest();
  29         });
  30     });
  31 }
  32 </script>
  33 </body>
  34 </html>