tor-browser

The Tor Browser
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no-crash-view-transition-in-massive-iframe.html (808B)

      1 <!DOCTYPE html>
      2 <title>View transitions: no crash with view-transitions in massive iframe</title>
      3 <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
      4 <link rel="author" href="mailto:roger.johannesson@xperi.com">
      5 
      6 <script src="/resources/testharness.js"></script>
      7 <script src="/resources/testharnessreport.js"></script>
      8 
      9 <style>
     10 iframe { width: 40000px; height: 40000px }
     11 </style>
     12 
     13 <iframe></iframe>
     14 
     15 <script>
     16 promise_test(async t => {
     17  const iframeDoc = document.getElementsByTagName("iframe")[0].contentDocument;
     18  assert_implements(iframeDoc.startViewTransition, "Missing document.startViewTransition in iframe");
     19  const transition = iframeDoc.startViewTransition();
     20  try { await transition.ready; } catch {}
     21 }, "startViewTransition in massive iframe shouldn't crash.");
     22 </script>