chromium/third_party/blink/web_tests/external/wpt/referrer-policy/generic/multiple-headers.html

<!DOCTYPE html>
<html>
  <head>
    <title>Referrer Policy: multiple Referrer-Policy headers are allowed</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>

    <script src="/common/security-features/resources/common.sub.js"></script>
  </head>
  <body>
    <h1>Referrer Policy: multiple Referrer-Policy headers are allowed</h1>
    <p></p>

    <pre id="received_message">Running...</pre>

    <script>
      promise_test(() => {
        var urlPath = '/common/security-features/subresource/image.py?cache_destroyer=' + (new Date()).getTime();
        var url = location.protocol + "//www1." + location.hostname + ":" + location.port +
                  urlPath;
        return requestViaImage(url, null, 'no-referrer')
          .then(function(message) {
              assert_equals(message.referrer, document.location.origin + "/");
            });
      }, "Image uses the last recognized Referrer-Policy header");
    </script>

    <div id="log"></div>
  </body>
</html>