css/css-overflow/scrollable-overflow-self-collapsing.html

<!DOCTYPE html>
<meta name="assert" content="This ensures that an end self-collapsing block contributes to the scrollable overflow correctly.">
<link rel="help" href="https://drafts.csswg.org/css-overflow-3/#scrollable" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.target')">
  <div class="target" style="width: 100px; height: 100px; overflow: scroll;" data-expected-scroll-height="110">
    <div style="width: 50px; height: 100px; margin-bottom: 10px; background: lime;"></div>
    <div></div> <!-- self-collapsing -->
  </div>
  <div class="target" style="width: 100px; height: 100px; overflow: scroll;" data-expected-scroll-height="150">
    <div style="width: 50px; height: 100px; margin-bottom: 10px; background: lime;"></div>
    <div style="margin-bottom: 50px;"></div> <!-- self-collapsing -->
  </div>
  <div class="target" style="width: 100px; height: 100px; overflow: scroll;" data-expected-scroll-height="180">
    <div style="width: 50px; height: 100px; margin-bottom: 30px; background: lime;"></div>
    <div style="margin-bottom: 100px;"> <!-- self-collapsing -->
      <div style="margin-top: -20px;"></div>
    </div>
  </div>
  <div id=log></div>
</body>