css/css-font-loading/fontface-from-arraybuffer-crash.html

<!DOCTYPE html>
<html class="test-wait">
<meta charset="utf-8">
<title>Loading a FontFace from an ArrayBuffer must not crash</title>
<link rel="author" href="mailto:dholbert@mozilla.com">
<link rel="help" href="https://drafts.csswg.org/css-font-loading/#font-face-constructor">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=2079768">
<script>
  fetch("/fonts/Ahem.ttf")
    .then(res => res.arrayBuffer())
    .then(async buffer => {
      const face = new FontFace("bufferFont", buffer);
      document.fonts.add(face);
      await face.load();
      document.documentElement.className = "";
    });
</script>
</html>