third_party/WebKit/LayoutTests/web-animations-api/player-source-becomes-longer.html

   1 <!DOCTYPE html>
   2 <script src="../resources/testharness.js"></script>
   3 <script src="../resources/testharnessreport.js"></script>
   4
   5 <script>
   6 test(function() {
   7   document.timeline.playbackRate = 0;
   8   document.timeline.currentTime = 0;
   9   var player = document.documentElement.animate([], 1000);
  10   player.startTime = -1000;
  11
  12   assert_equals(player.currentTime, 1000);
  13
  14   player.effect.timing.duration = 1500;
  15   document.timeline.currentTime = 2000;
  16
  17   assert_equals(player.startTime, -1000);
  18   assert_equals(player.currentTime, 1500);
  19 }, 'Extending effect should not cause a change in start time.');
  20 </script>