chromium/third_party/blink/web_tests/external/wpt/fenced-frame/default-enabled-features-attribute-change.https.html

<!DOCTYPE html>
<title>Test changing the allow="" attribute after a navigation</title>
<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>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/default-enabled-features-helper.js"></script>

<body>
<script>
promise_test(async(t) => {
  const fencedframe = await attachFencedFrameContext({
        generator_api: 'fledge',
        attributes: [["allow", "attribution-reporting *"]],
        origin: get_host_info().ORIGIN});

  fencedframe.element.allow = "attribution-reporting 'none'";

  await fencedframe.execute(async () => {
    assert_true(document.featurePolicy.allowsFeature('attribution-reporting'),
        "Changing the allow attribute should do nothing for this navigation.");
  }, []);
}, 'Changing the allow attribute is a no-op for the current navigation');

promise_test(async(t) => {
  const fencedframe = await attachFencedFrameContext({
        generator_api: 'fledge',
        attributes: [["allow", "attribution-reporting *"]],
        origin: get_host_info().ORIGIN});

  fencedframe.element.allow = "attribution-reporting 'none'";

  await fencedframe.execute(async () => {
    window.executor.suspend(() => {
      location.reload();
    });
  }, []);

  await fencedframe.execute(async () => {
    assert_true(document.featurePolicy.allowsFeature('attribution-reporting'),
          "Changing the allow attribute should do nothing on frame refresh.");
  }, []);

}, 'Changing the allow attribute is a no-op for frame-initiated navigations');

</script>
</body>
</html>