| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>Cancel an animation: ready/finished ordering</title |
| <link rel="help" href="https://w3c.github.io/web-animations/#canceling-an-animation-section"> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| async_test(function(t) { |
| var animation = document.documentElement.animate([], 100000); |
| var ready = false; |
| animation.ready.catch(function() { |
| t.step(function() { |
| ready = true; |
| }); |
| }); |
| animation.finished.catch(function() { |
| t.step(function() { |
| assert_true(ready); |
| }); |
| t.done(); |
| }); |
| animation.cancel(); |
| }, 'The ready promise should be rejected before the finished promise'); |
| </script> |
