break-inside-avoid-child.html | Explore in Territory

<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: break-inside: avoid child</title>
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
<link rel="author" href="mailto:[email protected]">
<link rel="match" href="break-inside-avoid-child-ref.html">
<meta name="fuzzy" content="maxDifference=0-5; totalPixels=0-1600">
<script src="/common/reftest-wait.js"></script>

<style>
.old {
  position: relative;
  top: 300px;
  left: 0;
  background: lightblue;
}
.new {
  position: relative;
  top: 0;
  left: 0;
  background: green;
}
.columns {
  columns: 2;
  contain: layout;
  border: 1px solid black;
  view-transition-name: target;
}

.inner {
  break-inside: avoid;
  width: 300px;
  height: 300px;
}

html::view-transition-group(root) { animation-duration: 300s; }
html::view-transition-old(target) {
  animation: unset;
  opacity: 1;
}
html::view-transition-new(target) {
  animation: unset;
  opacity: 0;
}
</style>

<div class="columns">
  <div id="inner" class="inner old"></div>
</div>

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

function runTest() {
  let transition = document.startViewTransition(() => {
    inner.classList.replace("old", "new");
  });
  transition.ready.then(() => requestAnimationFrame(takeScreenshot));
}

onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
chromium/third_party/blink/web_tests/external/wpt/css/css-view-transitions/break-inside-avoid-child.html
