root-element-transition-iframe.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-view-transitions/navigation/root-element-transition-iframe.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html class="reftest-wait">

<title>View transitions: basic cross-document navigation in an iframe</title>

<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">

<link rel="author" href="mailto:khushalsagar@chromium.org">

<link rel="match" href="root-element-transition-iframe-ref.html">

<script src="/common/reftest-wait.js"></script>

<script src="resources/common.js"></script>

<iframe id="inner" src="resources/root-element-transition-iframe.html?blue"></iframe>

<script>

async function runTest() {

  let frame = document.getElementById("inner");

  frame.contentWindow.postMessage("checkrendering");

  await waitForMessage("rendered");

  frame.src = "resources/root-element-transition-iframe.html?grey";

  await waitForMessage("transition");

  takeScreenshot();

onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));

</script>

</html>