| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#animation-timeline"> |
| <link rel="help" href="https://drafts.csswg.org/css-animations-1/#keyframes"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <style> |
| @keyframes test { |
| from { width: 100px; animation-timeline: --foo; } |
| to { width: 100px; animation-timeline: --foo; } |
| } |
| #target { |
| width: 50px; |
| animation-name: test; |
| animation-duration: 1s; |
| animation-play-state: paused; |
| } |
| </style> |
| <div id="target"></div> |
| <script> |
| test(() => { |
| let style = getComputedStyle(document.getElementById('target')); |
| // Checking 'width' verifies that the animation is applied at all. |
| assert_equals(style.width, '100px'); |
| assert_equals(style.animationTimeline, 'auto'); |
| }, 'The animation-timeline property may not be used in keyframes'); |
| </script> |
