css/css-multicol/change-fragmentainer-size-000.html

<!DOCTYPE html>
<html class="reftest-wait">
  <link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
  <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1285795">
  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
  <div id="mc" style="columns:4; column-gap:0; column-fill:auto; width:100px; height:25px; background:red;">
    <div style="width:100px; height:100px; background:green;"></div>
  </div>
  <script>
    requestAnimationFrame(()=> {
      requestAnimationFrame(()=> {
        mc.style.height = '100px';
        document.documentElement.classList.remove("reftest-wait");
      });
    });
  </script>
</html>