https-upgrades/tentative/referrer.https.sub.html

<!DOCTYPE html>
<html>
  <head>
    <title>HTTPS Upgrades: Upgrade.</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="/common/get-host-info.sub.js"></script>

    <meta name="referrer" content="no-referrer-when-downgrade" />

  </head>
  <body>
    <script>
      setup({ single_test: true });
      // When the referrer policy is no-referrer-when-downgrade, HTTPS upgrades should not drop
      // the referrer upon navigating to an HTTP URL if the upgrade is successful.

      // HTTPS upgrades don't change custom ports, so this will load correctly if an HTTPS upgrade is performed,
      // and will fail to load otherwise (since the port will be wrong for http).
      var url = new URL("http://{{host}}:{{ports[https][0]}}/https-upgrades/resources/pass-with-referrer.html")
      window.onmessage = function(event) {
          if (event.data['pass'] && event.data['referrer'] == document.location.href) {
              done();
          }
      }
      win = window.open(url)
    </script>
  </body>
</html>