| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>Animating with KeyframeEffect objects</title> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <body> |
| <div id="target">x</div> |
| <script> |
| "use strict"; |
| |
| promise_test(function(t) { |
| var effect = new KeyframeEffect(target, { opacity: [0, 0.9] }, 1000); |
| var anim = target.animate(null); |
| anim.effect = effect; |
| |
| return Promise.all([anim.ready]).then(function() { |
| assert_true(internals.isCompositedAnimation(anim), |
| "Opacity animation with KeyframeEffect should be composited"); |
| }); |
| }, "Using KeyframeEffect should not change whether an animation is composited"); |
| |
| </script> |
| </body> |
