no-crash-view-transition-in-massive-iframe.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-view-transitions/no-crash-view-transition-in-massive-iframe.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>View transitions: no crash with view-transitions in massive iframe</title>

<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">

<link rel="author" href="mailto:roger.johannesson@xperi.com">

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

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

<style>

iframe { width: 40000px; height: 40000px }

</style>

<iframe></iframe>

<script>

promise_test(async t => {

  const iframeDoc = document.getElementsByTagName("iframe")[0].contentDocument;

  assert_implements(iframeDoc.startViewTransition, "Missing document.startViewTransition in iframe");

  const transition = iframeDoc.startViewTransition();

  try { await transition.ready; } catch {}

}, "startViewTransition in massive iframe shouldn't crash.");

</script>