third_party/WebKit/LayoutTests/fast/animation/script-tests/request-animation-frame-cancel2.js

   1 description("Tests one requestAnimationFrame callback cancelling a second");
   2
   3 var e = document.getElementById("e");
   4 var secondCallbackId;
   5 var callbackFired = false;
   6 var cancelFired = false;
   7
   8 window.requestAnimationFrame(function() {
   9     cancelFired = true;
  10     window.cancelAnimationFrame(secondCallbackId);
  11 }, e);
  12
  13 secondCallbackId = window.requestAnimationFrame(function() {
  14     callbackFired = true;
  15 }, e);
  16
  17 requestAnimationFrame(function() {
  18     shouldBeFalse("callbackFired");
  19     shouldBeTrue("cancelFired");
  20     isSuccessfullyParsed();
  21     if (window.testRunner)
  22         testRunner.notifyDone();
  23 });
  24
  25 if (window.testRunner)
  26     testRunner.waitUntilDone();