Blitz - WPT: new-content-transform-change-001.html

wpt / css / css-view-transitions / new-content-transform-change-001.html

/css/css-view-transitions/new-content-transform-change-001.html

<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: dynamic transform change of new content after start</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="match" href="new-content-transform-change-001-ref.html">
<meta name=fuzzy content="maxDifference=0-250;totalPixels=0-600">
<script src="/common/reftest-wait.js"></script>
<style>
  :root {
    view-transition-name: none;
  }

  #target {
    view-transition-name: target;
    width: 100px;
    height: 100px;
    background-color: green;
    transform: translate(0);
  }

  :root::view-transition {
    background-color: pink;
  }

  /* Just something that doesn't animate transform, so that the transform change takes effect immediately */
  @keyframes opacity-anim {
    from { opacity: 1 }
    to { opacity: 1 }
  }

  :root::view-transition-group(*) {
    animation-name: opacity-anim;
    animation-play-state: paused;
  }
</style>
<div id="target"></div>
<script>
  function twoRafs() {
    return new Promise(r => {
      requestAnimationFrame(() => requestAnimationFrame(r));
    });
  }
  async function runTest() {
    await document.startViewTransition().ready;
    await twoRafs();
    document.getElementById("target").style.transform = "rotate(45deg)";
    await twoRafs();
    takeScreenshot();
  }
  onload = () => twoRafs().then(runTest);
</script>

/css/css-view-transitions/new-content-transform-change-001-ref.html

<!DOCTYPE html>
<title>CSS Test Reference</title>
<style>
  :root {
    background-color: pink;
  }

  #target {
    width: 100px;
    height: 100px;
    background-color: green;
    transform: rotate(45deg);
  }
</style>
<div id="target"></div>