third_party/WebKit/LayoutTests/fast/events/scroll-event-handler-reused-window.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <script>
   4 description('Test tracking event handlers with a reused DOMWindow.');
   5
   6 if (window.testRunner) {
   7     testRunner.setCanOpenWindows();
   8     testRunner.waitUntilDone();
   9 }
  10
  11 // |window.open| returns a DOMWindow synchronously without waiting for the
  12 // network load to finish. Once the load completes, we transition the existing
  13 // window object to the document instead of creating a new one like we normally
  14 // would. The purpose of this test is to ensure event handlers added on the
  15 // window are still present after the window is reused with the new document.
  16 // See DocumentLoader.cpp for details.
  17 var newWindow = window.open('resources/conclude-test-in-parent.html');
  18 newWindow.onscroll = function() {};
  19
  20 function concludeTest() {
  21     shouldBe('window.internals.scrollEventHandlerCount(newWindow.document)', '1');
  22     testRunner.notifyDone();
  23 }
  24 </script>
  25 </body>