chromium/third_party/blink/web_tests/external/wpt/css/css-lists/list-and-margin-collapse-001.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Lists: test the margin collapse of marker</title>
<link rel=help href="https://www.w3.org/TR/CSS22/generate.html#lists">
<!-- https://bugs.chromium.org/p/chromium/issues/detail?id=767408 -->

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<div id="log"></div>

<ul id="target" style="margin-top:100px;">
  <li>
    <div style="overflow:hidden; margin-top:100px; height:25px;"><a href="#">xxx</a></div>
  </li>
</ul>

<script>
test(function() {
  var height = document.getElementById("target").clientHeight;
  assert_equals(height, 25, "the height of ul should be 25px")
}, "list and margin collapse");
</script>