<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: container of shared element writing-modes</title>
<link rel="help" href="https://github.com/WICG/view-transitions">
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="match" href="new-root-vertical-writing-mode-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
html { writing-mode: vertical-lr; }
#hidden {
  width: 100px;
  height: 100px;
  background: red;
  position: absolute;
  top: 0;
  left: 0;
  contain: paint;
  view-transition-name: hidden;
}
.shared {
  margin: 2px;
  width: 90px;
  height: 50px;
  background: green;
  contain: paint;
}
#target {
  background: red;
  position: absolute;
  top: 50px;
  left: 50px;
  width: 100px;
  height: 500px;
  contain: paint;
  view-transition-name: s1;
}
#two {
  background: lightblue;
}

html::view-transition-group(hidden) { animation-duration: 300s; }
html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }

html::view-transition-group(s1) { animation-duration: 0s; }
html::view-transition-new(s1) { animation: unset; opacity: 1; }
html::view-transition-old(s1) { animation: unset; opacity: 0; }

html::view-transition-new(root) { animation: unset; opacity: 1; }
html::view-transition-old(root) { animation: unset; opacity: 0; }

</style>

<div id=hidden>Should not be visible</div>
<div id=target>Should not be visible</div>
<div id=one class=shared>T</div>
<div id=two class=shared></div>

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

async function runTest() {
  document.startViewTransition(() => {
    target.remove();
    hidden.style.left = "200px";
    one.style.viewTransitionName = "s1";
    requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
  });
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>



