datagram-cancel-crash.https.window.js

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This WPT test may be referenced by the following Test IDs:
- /webtransport/datagram-cancel-crash.https.window.html - WPT Dashboard Interop Dashboard

// This test reproduces Chromium issue https://crbug.com/1292387. If it doesn't

// crash then the test passed.

test(() => {

  const iframeTag = document.createElement('iframe');

  document.body.appendChild(iframeTag);

  const wt = new iframeTag.contentWindow.WebTransport('https://example.com/');

  iframeTag.remove();

  const datagrams = wt.datagrams;

  const reader = datagrams.readable;

  reader.cancel();

}, 'call cancel() on stream in destroyed realm');