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

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<!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>