| <!DOCTYPE html> |
| <title>CSS Anchor Positioning Test: Transition on anchored element child with ::selection</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #container { |
| position: absolute; |
| right: anchor(right); |
| --i: 1px; |
| } |
| #content { |
| scale: 0; |
| transition: scale 1000s step-end; |
| } |
| #content.show { scale: 1; } |
| ::selection { color: var(--a); } |
| #container.foo {} |
| </style> |
| <div id="container"> |
| <div id="content">FAIL</div> |
| </div> |
| <script> |
| test(() => { |
| content.offsetTop; |
| content.classList.toggle("show"); |
| container.classList.toggle("foo"); |
| assert_equals(getComputedStyle(content).scale, "0"); |
| }, "Should transition scale property on anchored child"); |
| </script> |
