maxframes.https.html | Explore in Territory

<!DOCTYPE html>
<title>Test Maximum Subframes</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="resources/utils.js"></script>
<script src="/common/utils.js"></script>

<body>
<script>
promise_test(async (t) => {
  const maxframes_key = token();

  internals.setMaxNumberOfFramesToTen(true);

  for (let i = 0; i < 9; ++i) {
    attachFencedFrame('resources/dummy.html');
  }
  // This frame's creation brings us up to our limit, so it is the last one that
  // should load properly.
  const tenth_frame = attachFencedFrame('resources/dummy.html');

  // This frame is past the limit and should not be loaded
  // If it does load, a DCHECK will catch it and cause the renderer to crash,
  // failing the test.
  const eleventh_frame = attachFencedFrame('resources/dummy.html');
  // After insertion, set the `src` attribute on a frame that cannot load due to
  // the subframe limit. This should not cause the renderer to crash.
  eleventh_frame.src = 'resources/dummy.html';

  tenth_frame.remove();

  // Now that we removed the tenth live frame that contributed to the subframe
  // limit, the page is under the subframe limit and a new fenced frame can be
  // created.
  attachFencedFrame(
      generateURL('resources/maxframes-inner.html', [maxframes_key]));
  const response = await nextValueFromServer(maxframes_key);
  assert_equals(response, "page loaded", "The inner frame should be loaded.");
}, 'Max Subframes Test');

</script>
</body>
</html>
chromium/third_party/blink/web_tests/wpt_internal/fenced_frame/maxframes.https.html
