chromium/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-fill-balance-009.html

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:[email protected]">
<link rel="help" href="https://www.w3.org/TR/css-multicol-1/#cf">
<style>
  #container {
      columns: 4;
      width: 100px;
      column-gap: 0;
      background: green;
  }
</style>
<p>Test passes if there is a filled green square below.</p>
<div id="container" data-expected-height="100">
  <div style="margin-top:50px;">
    <div style="contain:size; height:50px;"></div>
    <div style="contain:size; height:25px;"></div>
  </div>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<script>
  checkLayout("#container");
</script>