<html>
  <head>
    <title>Referrer Policy: local scheme workers inherit from creator</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">
  </head>
  <script>
    let cross_origin = get_host_info().REMOTE_ORIGIN;

    let generateFetchString = postmessage => `
      fetch("${cross_origin}/common/security-features/subresource/xhr.py",
            {referrer: "${location.href}/custom"})
          .then(r => r.json())
          .then(j => ${postmessage}({referrer: j.headers.referer}))
          .catch(e => ${postmessage}({referrer: "FAILURE"}));`

    async_test(t => {
      let blob = new Blob([generateFetchString("postMessage")],
                          {type : 'application/javascript'});
      let blob_url = URL.createObjectURL(blob);
      let worker = new Worker(blob_url);
      worker.onmessage = t.step_func_done(msg => {
        assert_equals(msg.data.referrer, undefined);
      });
    }, "Dedicated worker with local scheme inherits referrer policy " +
               "from the creating document.");

    async_test(t => {
      let script = `
        onconnect = e => {
          let port = e.ports[0];
          port.start();
          ${generateFetchString("port.postMessage")}
        };`
      let blob = new Blob([script], {type : 'application/javascript'});
      let blob_url = URL.createObjectURL(blob);
      let shared_worker = new SharedWorker(blob_url);
      shared_worker.port.start();
      shared_worker.port.onmessage = t.step_func_done(msg => {
        assert_equals(msg.data.referrer, undefined);
      });
    }, "Shared worker with local scheme inherits referrer policy " +
               "from the creating document.");
  </script>
</html>
