css/css-overflow/content-change-then-scroll-into-view.html

<!DOCTYPE html>
<html class="reftest-wait">
<link rel="help" href="https://crbug.com/364669904">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="scroller" style="position: relative; overflow: scroll; scrollbar-width: none;
                          width: 200px; height: 200px">
  <div style="height: 2000px"></div>
  <div id="content" style="position: absolute; top: 1000px; background: red;
                           width: 100px; height: 100px"></div>
</div>
<script>
waitForAtLeastOneFrame().then(() => {
  content.style.background = 'green';
  waitForAtLeastOneFrame().then(() => {
    scroller.scrollTo(0, 1000);
    takeScreenshot();
  });
});
</script>