chromium/third_party/blink/web_tests/external/wpt/css/css-view-transitions/content-with-inline-child.html

<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: element with inline child</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="stylesheet" href="/fonts/ahem.css">
<link rel="author" href="mailto:[email protected]">
<link rel="match" href="content-with-inline-child-ref.html">
<meta name="flags" content="ahem">

<script src="/common/reftest-wait.js"></script>
<style>

#target {
  width: 100px;
  height: 100px;
  overflow-clip-margin: 500px;
  contain: paint;
  view-transition-name: target;
  background-color: grey;
}

#child {
  position: relative;
  left: 100px;
  top: 100px;
  color: lightgreen;
  background-color: darkgreen;
}

#innerchild {
  position: relative;
  left: 100px;
}

html::view-transition-new(root) {
  opacity: 0;
}
html::view-transition-old(root) {
  opacity: 0;
}

html::view-transition-old(target) {
  animation-duration: 3s;
  animation-timing-function: steps(1, end);
  opacity: 1;
}
html::view-transition-new(target) { animation: unset; opacity: 0; }

</style>

<div id="target" style="font: 25px/1 Ahem">
  <span id="child">INLINE<br><span id="innerchild">BOX</span></span>
</div>

<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");

async function runTest() {
  document.startViewTransition(() => {
    // Remove the target to ensure the ref is compared against the snapshot.
    document.getElementById("target").remove();

    requestAnimationFrame(
      () => requestAnimationFrame(
      () => requestAnimationFrame(
      () => requestAnimationFrame(takeScreenshot))));
  });
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>