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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="utils.js"></script>
<body>
<script>
window.onmessage = function(e) {
  assert_equals(e.data.name, 'crossOriginIsolated');
  assert_true(e.data.value);

  const testChannel = new PrerenderChannel('test-channel');
  testChannel.postMessage(self.crossOriginIsolated);
  testChannel.close();
};

assert_true(document.prerendering);
const frame = document.createElement('iframe');
frame.src = './cross-origin-isolated-iframe.https.html';
document.body.append(frame);
</script>
</body>