header-referrer.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /fenced-frame/header-referrer.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Test `Referer` header</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="resources/utils.js"></script>

<script src="/common/utils.js"></script>

<body>

<script>

promise_test(async () => {

  const referrer_key = token();

  const referrer_ack_key = token();

  const check_url = generateURL('resources/check-header-referrer.py',

      [referrer_key])

  attachFencedFrame(check_url);

  const expected_referrer = "";

  const actual_referrer = await nextValueFromServer(referrer_key);

  assert_equals(actual_referrer, expected_referrer,

                "The top-level fenced frame has the right value for " +

                "`Referer` header");

  const inner_url = generateURL('resources/header-referrer-inner.html',

      [referrer_key, referrer_ack_key])

  attachFencedFrame(inner_url);

  const iframe_expected_referrer = inner_url.toString().replace("%2C", ",");

  const iframe_actual_referrer = await nextValueFromServer(referrer_key);

  assert_equals(iframe_actual_referrer, iframe_expected_referrer,

                "The iframe inside the fenced frame has the right value for " +

                "`Referer` header");

  writeValueToServer(referrer_ack_key, "ACK");

  const nested_fenced_frame_expected_referrer = "";

  const nested_fenced_frame_actual_referrer = await nextValueFromServer(referrer_key);

  assert_equals(nested_fenced_frame_actual_referrer, nested_fenced_frame_expected_referrer,

                "The nested fenced frame has the right value for " +

                "`Referer` header");

  writeValueToServer(referrer_ack_key, "ACK");

  const navigate_self_expected_referrer =

      inner_url.toString().replace("%2C", ",");

  const navigate_self_actual_referrer = await nextValueFromServer(referrer_key);

  assert_equals(navigate_self_actual_referrer, navigate_self_expected_referrer,

                "The fenced frame after it navigates itself has the right value for " +

                "`Referer` header");

}, "header.referrer");

</script>

</body>