| <!DOCTYPE html> |
| <title>CSS Anchor Positioning Test: Initial @position-try does not trigger a transition</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#fallback-apply"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id=cb> |
| <div id=abs></div> |
| </div> |
| <style> |
| #cb { |
| position: relative; |
| width: 100px; |
| height: 100px; |
| background: lightpink; |
| } |
| #abs { |
| position: absolute; |
| background: darkcyan; |
| top: 10px; |
| left: 10px; |
| width: 150px; /* force fallback */ |
| height: 25px; |
| position-try-options: --pf; |
| transition-property: top, left; |
| transition-duration: 10s; |
| transition-timing-function: steps(2, start); |
| } |
| @position-try --pf { |
| width: 50px; |
| top: 50px; |
| left: 50px; |
| } |
| </style> |
| <script> |
| test(() => { |
| assert_equals(getComputedStyle(abs).top, '50px'); |
| assert_equals(getComputedStyle(abs).left, '50px'); |
| }, 'No transition for initial style with @position-try'); |
| </script> |
