relpos-percentage-left-in-scrollable-2.html

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:[email protected]">
<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#propdef-left">
<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#relative-positioning">
<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#anonymous-block-level">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1002485">
<p>There should be no red, and no scrollbar.</p>
<div id="container" style="overflow:auto; width:500px; background:red;">
  <div style="padding-right:90%; background:yellow;">
    <div style="position:relative; left:900%; background:cyan;">
      <div></div>
      &nbsp;
    </div>
  </div>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
  container.scrollLeft = 123456;
  test(()=> {
      assert_equals(container.scrollLeft, 0);
  }, "Left percentage resolved correctly for overflow contribution");
</script>

chromium/third_party/blink/web_tests/external/wpt/css/CSS2/positioning/relpos-percentage-left-in-scrollable-2.html