chromium/third_party/blink/web_tests/wpt_internal/fenced_frame/revoke-nested-fenced-frame-in-iframe-navigation.https.html

<!DOCTYPE html>
<title>Test that window.fence.disableUntrustedNetwork disables
  embedder-initiated navigation of FF -> IF -> FF.</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>

// Run a test with a fenced frame nested in an iframe nested in a fenced frame.
// If `should_disable_network` is true, window.fence.disableUntrustedNetwork
// will be called before creating the nested fenced frame.
// If `use_urn_iframe` is true, the nested iframe will be a urn iframe.
async function ff_if_ff_test(t, should_disable_network, use_urn_iframe, should_succeed) {
const fencedframe = await attachFencedFrameContext({generator_api: 'sharedstorage'});
  const navigation_promise =
      fencedframe.execute(async (should_disable_network, use_urn_iframe) => {
        let args = {};
        if (use_urn_iframe) {
          args = {generator_api: 'sharedstorage'};
        }
        const nested_iframe = await attachIFrameContext(args);
        await nested_iframe.execute(() => {});
        if (should_disable_network) {
          await window.fence.disableUntrustedNetwork();
        }
        return nested_iframe.execute(async () => {
          const nested_fenced_frame = await attachFencedFrameContext({
              generator_api: 'sharedstorage'});
          return nested_fenced_frame.execute(() => { return 'nav success'; });
        });
      },
      [should_disable_network, use_urn_iframe]);
  if (should_succeed) {
    const result = await navigation_promise;
    assert_equals(result, 'nav success');
  } else {
    const result = await Promise.race([navigation_promise,
      new Promise((resolve, reject) => t.step_timeout(
       () => resolve('timeout'), 1000))
    ]);
    assert_equals(result, 'timeout');
  }
}

promise_test(async(t) => {
  await ff_if_ff_test(t, /*should_disable_network=*/false,
                         /*use_urn_iframe=*/false,
                         /*should_succeed=*/true);
}, 'FF->IF->FF navigation works');

promise_test(async(t) => {
  await ff_if_ff_test(t, /*should_disable_network=*/false,
                         /*use_urn_iframe=*/true,
                         /*should_succeed=*/true);
}, 'FF->UIF->FF navigation works');

promise_test(async(t) => {
  await ff_if_ff_test(t, /*should_disable_network=*/true,
                         /*use_urn_iframe=*/false,
                         /*should_succeed=*/false);
}, 'window.fence.disableUntrustedNetwork disables FF->IF->FF navigation');

promise_test(async(t) => {
  await ff_if_ff_test(t, /*should_disable_network=*/true,
                         /*use_urn_iframe=*/true,
                         /*should_succeed=*/false);
}, 'window.fence.disableUntrustedNetwork disables FF->UF->FF navigation');

</script>
</body>