| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSS Pseudo-Elements Test: highlight styling: late property registration updates highlights</title> |
| <link rel="author" title="Stephen Chenney" href="mailto:[email protected]"> |
| <link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#highlight-cascade"> |
| <meta name="assert" value="This test verifies that custom property values when defined on a highlight pseudo update when the property registration happens after first style recalc."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #originating::spelling-error { |
| color: white; |
| --x: initial; |
| background-color: var(--x, red); |
| } |
| </style> |
| <div id="originating">Text wth a spelling error</div> |
| <script> |
| promise_test(async () => { |
| await new Promise(requestAnimationFrame); |
| CSS.registerProperty({ |
| name: '--x', |
| inherits: true, |
| initialValue: "green" |
| }); |
| await new Promise(requestAnimationFrame); |
| const originating_spelling = getComputedStyle(document.querySelector("div"), "::spelling-error"); |
| assert_equals(originating_spelling.getPropertyValue("--x"), "green"); |
| }, "the custom property receives its initial value from a deferred registration"); |
| </script> |
