exit-transition-with-anonymous-layout-object.html

<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: exit transition with layout objects that don't have a node</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:[email protected]">
<link rel="match" href="exit-transition-with-anonymous-layout-object-ref.html">

<script src="/common/reftest-wait.js"></script>
<style>
body {
  width: 100vw;
  height: 100vh;
}

#target {
  width: 100px;
  height: 100px;
  background: blue;
  view-transition-name: target;
}

#hidden {
  width: 10px;
  height: 10px;
  background: grey;
  view-transition-name: hidden;
}

fieldset {
  width: 100px;
  height: 100px;
  background: lightgreen;
  overflow: clip;
}

html::view-transition { background: pink; }
html::view-transition-group(root) { visibility: hidden; }
html::view-transition-group(hidden) { animation-duration: 300s; }
html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }
html::view-transition-old(target) {
  animation: unset;
  opacity: 1;
}
</style>
<div id="target"></div>
<fieldset id="anonymous">hi</fieldset>
<div id=hidden class=hidden></div>

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

async function runTest() {
  let t = document.startViewTransition(() => {
    target.style.viewTransitionName = "none";
  });
  await t.ready;
  anonymous.style.position = "relative";
  requestAnimationFrame(() => requestAnimationFrame(() =>
    requestAnimationFrame(() => requestAnimationFrame(takeScreenshot))
  ));
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
chromium/third_party/blink/web_tests/external/wpt/css/css-view-transitions/exit-transition-with-anonymous-layout-object.html
