Blitz - WPT: nested-elements-in-overflow.html

wpt / css / css-view-transitions / nested-elements-in-overflow.html

/css/css-view-transitions/nested-elements-in-overflow.html

<!DOCTYPE html>
<html class=reftest-wait>
<meta name="timeout" content="long">
<title>View transitions: nested named element in overflow</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:khushalsagar@chromium.org">
<link rel="match" href="nested-elements-in-overflow-ref.html">
<meta name="fuzzy" content="maxDifference=0-60; totalPixels=0-500">
<script src="/common/reftest-wait.js"></script>
<style>
:root {
  view-transition-name: none;
}

.outer {
  background: lightblue;
  width: 100px;
  height: 100px;
  view-transition-name: outer;
  position: absolute;
  top: 50px;
  left: 50px;
}
.inner {
  background: lightgrey;
  position: relative;
  top: -50px;
  left: -50px;
  width: 50px;
  height: 50px;
  view-transition-name: inner;
}

::view-transition { background: rebeccapurple; }
::view-transition-group(*) {
  animation-duration: 300s;
}
::view-transition-group(outer) {
  width: 50px;
  height: 100px;
  border: 2px solid black;
  animation: none;
}
::view-transition-new(*),
::view-transition-old(*) {
  position: absolute;
  inset-block-start: unset;
  inline-size: 100%;
  block-size: 100%;
  object-fit: contain;
}
::view-transition-old(*) {
  opacity: 0;
  animation: none;
}
::view-transition-new(*) {
  opacity: 1;
  animation: none;
}
</style>
<div class="outer">
  <div class="inner"></div>
</div>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");

async function runTest() {
  document.startViewTransition().ready.then(takeScreenshot);
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>

/css/css-view-transitions/nested-elements-in-overflow-ref.html

<!DOCTYPE html>
<html>
<title>View transitions: nested named element in overflow</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<style>
body {
  background: rebeccapurple;
  margin: 0;
}
.outer {
  width: 50px;
  height: 100px;
  position: absolute;
  top: 50px;
  left: 50px;
  border: 2px solid black;
}
.inner {
  background: lightblue;
  width: 50px;
  height: 50px;
  view-transition-name: outer;
  position: absolute;
  top: 25px;
}
.grey {
  background: lightgrey;
  position: relative;
  width: 50px;
  height: 50px;
}
</style>
<div class="outer">
  <div class="inner"></div>
</div>
<div class="grey"></div>