<!DOCTYPE html>
<html>
  <head>
    <title>CSS integration - Child css from internal stylesheet</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="/common/utils.js"></script>
    <!-- Common global functions for referrer-policy tests. -->
    <script src="/common/security-features/resources/common.sub.js"></script>
    <meta name="referrer" content="never">
  </head>
  <body>
    <p>Check that child css are loaded with the referrer and referrer policy
    from the internal stylesheet.</p>

    <div class="styled"></div>

    <script>
      promise_test(function(css_test) {
        let id = token();
        let url_prefix = location.protocol + "//www1." + location.hostname + ":" + location.port;
        let css_url = url_prefix + "/common/security-features/subresource/stylesheet.py?id=" + id + "&import-rule";
        let check_url = url_prefix + "/common/security-features/subresource/stylesheet.py" +
                        "?id=" + id + "&report-headers";

        let style = document.createElement("style");
        style.type = 'text/css';
        style.appendChild(document.createTextNode("@import url('" + css_url + "');"));
        document.head.appendChild(style);
        return timeoutPromise(css_test, 1000)
          .then(() => requestViaXhr(check_url))
          .then(function(message) {
              assert_own_property(message, "headers");
              assert_own_property(message, "referrer");
              assert_equals(message.referrer, css_url);
            });
      }, "Child css from internal stylesheet.");
    </script>

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