| <!DOCTYPE html> |
| <title>Test that worklet animation with invalid effect cannot be played</title> |
| <link rel="help" href="https://drafts.css-houdini.org/css-animationworklet/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/web-animations/testcommon.js"></script> |
| <script src="common.js"></script> |
| |
| <style> |
| #target { |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| |
| <div id="target"></div> |
| |
| <script> |
| 'use strict'; |
| |
| promise_test(async function() { |
| await registerPassthroughAnimator(); |
| let playFunc = function() { |
| let effect = new KeyframeEffect( |
| document.getElementById('target'), |
| [ |
| // No keyframe. |
| ], |
| { duration: 1000 } |
| ); |
| let animation = new WorkletAnimation('passthrough', effect); |
| animation.play(); |
| } |
| assert_throws('InvalidStateError', playFunc); |
| }, 'Trying to play invalid worklet animation should throw an exception.'); |
| </script> |