frame-ancestors-from-serviceworker.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:
- /content-security-policy/frame-ancestors/frame-ancestors-from-serviceworker.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

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

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

  <script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>

</head>

<body>

  <script>

    var t = async_test("A 'frame-ancestors' CSP directive set from a serviceworker response with a value 'none' should block rendering.");

    // Register service worker.

    var worker = 'support/service-worker.js';

    var scope = 'support/service-worker/';

    service_worker_unregister_and_register(t, worker, scope)

      .then(registration => wait_for_state(t, registration.installing, 'activated'))

      .then(() => {

        // Load iframe.

        var iframe = document.createElement("iframe");

        let timer;

        function pollForLoadCompletion() {

          timer = t.step_timeout(() => iframeMayBeLoaded({isPoll: true}), 10);

        function iframeMayBeLoaded({isPoll}) {

          var failed = false;

          clearTimeout(timer);

          try {

            let href = iframe.contentWindow.location.href;

            if (isPoll && (href === "about:blank" || iframe.contentDocument.readyState !== "complete")) {

              pollForLoadCompletion();

              return;

            failed = true;

          } catch (ex) {}

          t.step_func_done(() => assert_false(failed, "The IFrame should have been blocked. It wasn't."))();

};

        iframe.addEventListener("load", () => iframeMayBeLoaded({isPoll: false}));

        iframe.addEventListener("error", () => iframeMayBeLoaded({isPoll: false}));

        iframe.src = "/content-security-policy/frame-ancestors/support/service-worker/frame-ancestors-none.html";

        document.body.appendChild(iframe);

        pollForLoadCompletion();

});

  </script>

</body>

</html>