custom-highlight-painting-text-shadow-invalidation.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-highlight-api/painting/custom-highlight-painting-text-shadow-invalidation.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html class="reftest-wait">

  <meta charset="UTF-8">

  <title>CSS Highlight API Test: text-decoration</title>

  <link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/">

  <link rel="match" href="custom-highlight-painting-text-shadow-ref.html">

  <meta name="assert" value="A change to text shadow size in a highlight is correctly rendered">

  <meta name="fuzzy" content="0-64;0-2">

<script src="resources/run-after-layout-and-paint.js"></script>

  <style>

    ::root {

      --shadow-offset-x: 15px;

      --shadow_offset-y: 20px;

    ::highlight(example-highlight) {

      background-color: yellow;

      color: blue;

      text-shadow: var(--shadow-offset-x, 5px) var(--shadow-offset-y, 10px) rgba(0, 255, 0, 0.5);

  </style>

  <body>

    <span>One </span><span>two </span><span>three…</span>

    <script>

      let r = new Range();

      r.setStart(document.body, 1);

      r.setEnd(document.body, 3);

      CSS.highlights.set("example-highlight", new Highlight(r));

      runAfterLayoutAndPaint(()=>{

        document.documentElement.style.setProperty("--shadow-offset-x", "5px");

        document.documentElement.style.setProperty("--shadow-offset-y", "10px");

        runAfterLayoutAndPaint(()=>{

          document.documentElement.removeAttribute("class");

});

});

    </script>

  </body>

</html>