LayoutTests/imported/w3c/web-platform-tests/web-animations/interfaces/Animation/oncancel.html

   1 <!DOCTYPE html>
   2 <meta charset=utf-8>
   3 <title>Animation.oncancel</title>
   4 <link rel="help" href="https://drafts.csswg.org/web-animations/#dom-animation-oncancel">
   5 <script src="/resources/testharness.js"></script>
   6 <script src="/resources/testharnessreport.js"></script>
   7 <script src="../../testcommon.js"></script>
   8 <body>
   9 <div id="log"></div>
  10 <script>
  11 'use strict';
  12
  13 async_test(t => {
  14   const div = createDiv(t);
  15   const animation = div.animate({}, 100 * MS_PER_SEC);
  16   let finishedTimelineTime;
  17   animation.finished.then().catch(() => {
  18     finishedTimelineTime = animation.timeline.currentTime;
  19   });
  20
  21   animation.oncancel = t.step_func_done(event => {
  22     assert_equals(event.currentTime, null,
  23       'event.currentTime should be null');
  24     assert_times_equal(event.timelineTime, finishedTimelineTime,
  25       'event.timelineTime should equal to the animation timeline ' +
  26       'when finished promise is rejected');
  27   });
  28
  29   animation.cancel();
  30 }, 'oncancel event is fired when animation.cancel() is called.');
  31
  32 </script>
  33 </body>