revoke-fetch.https.html | Explore in Territory

<!DOCTYPE html>
<title>Test that window.fence.disableUntrustedNetwork disables
  the Fetch API.</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="resources/utils.js"></script>

<body>
<script>

promise_test(async(t) => {
  const fencedframe = await attachFencedFrameContext();
  const destination_url = new URL('resources/dummy.html', location.href);
  await fencedframe.execute(async (destination_url) => {
    const response_success = await fetch(destination_url);
    await window.fence.disableUntrustedNetwork();
    try {
      const response_failure = await fetch(destination_url);
      assert_unreached('The fetch should throw an exception.');
    } catch (e) {
      assert_equals(e.name, 'TypeError');
      assert_equals(e.message, 'Failed to fetch');
    }
  }, [destination_url]);
}, 'window.fence.disableUntrustedNetwork disables the Fetch API');

</script>
</body>

chromium/third_party/blink/web_tests/wpt_internal/fenced_frame/revoke-fetch.https.html