<!doctype html>
<body>
  <script src=/resources/testharness.js></script>
  <script src=/resources/testharnessreport.js></script>
  <script>
    promise_test(async t => {
      try {
        await document.browsingTopics();
      } catch (e) {
        assert_equals(e.name, 'TypeError');
        assert_equals(e.message, 'document.browsingTopics is not a function');
        return;
      }
      assert_unreached("did not reject");
    }, 'test document.browsingTopics() in insecure context');
  </script>
</body>