Blitz - WPT: anchor-scroll-position-try-015.tentative.html

wpt / css / css-anchor-position / anchor-scroll-position-try-015.tentative.html

/css/css-anchor-position/anchor-scroll-position-try-015.tentative.html

<!DOCTYPE html>

<html class="reftest-wait">

<title>Scrolling further up shouldn't trigger the anchored element to grow.</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position/#position-try-fallbacks">
<link rel="match" href="anchor-scroll-position-try-015-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>

<style>
  #anchor {
    anchor-name: --a;
    margin-top: 200px;
    width: 100px;
    height: 100px;
    background: blue;
  }
  #anchored {
    position: absolute;
    position-anchor: --a;
    position-area: top center;
    position-try-fallbacks: flip-block;
    width: 100%;
    height: 100%;
    min-height: 100px;
    background: green;
  }
</style>

<div style="position:relative; width:200px; height:300px;">
  <div id="scroller" style="overflow:scroll; scrollbar-width:none; width:100%; height:100%;">
    <div id="anchor"></div>
    <div style="width:1000px; height:1000px;"></div>
    <div id="anchored"></div>
  </div>
</div>

<script>
window.addEventListener("load", async () => {
  scroller.scrollTop = 150;
  await waitForAtLeastOneFrame();

  scroller.scrollTop = 200;
  await waitForAtLeastOneFrame();

  takeScreenshot();
});
</script>

</html>

/css/css-anchor-position/anchor-scroll-position-try-015-ref.html

<!DOCTYPE html>
<div style="width:100px; height:100px; background:blue;"></div>
<div style="width:100px; height:150px; background:green;"></div>