File: empty-render-target-capture.html

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<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: empty render surface capture</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="match" href="empty-render-target-capture-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="/dom/events/scrolling/scroll_support.js"></script>
<style>

:root {
  view-transition-name: none;
}
.container {
  view-transition-name: container;
  width: 0px;
  height: 0px;
}
.child {
  view-transition-name: child;
  width: 100px;
  height: 100px;
  background: green;
  will-change: opacity;
}

::view-transition-group(*),
::view-transition-image-pair(*),
::view-transition-old(*),
::view-transition-new(*) {
  animation-play-state: paused;
}
</style>

<div class=container>
  <div class=child></div>
</div>

<script>
function runTest() {
  document.startViewTransition().ready.then(takeScreenshot);
}

onload = async () => {
  await waitForCompositorReady();
  runTest();
}

</script>