external-import-stylesheet.html

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This WPT test may be referenced by the following Test IDs:
- /referrer-policy/css-integration/child-css/external-import-stylesheet.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>CSS integration - Child css from external 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="origin">

  </head>

  <body>

    <p>Check that child css are loaded with the referrer and referrer policy

    from the external 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" + "&referrer-policy=no-referrer";

        let check_url = url_prefix + "/common/security-features/subresource/stylesheet.py" +

                        "?id=" + id + "&report-headers";

        return new Promise(resolve => {

            let link = document.createElement("link");

            link.href = css_url;

            link.rel = "stylesheet";

            link.onload = resolve;

            document.head.appendChild(link);

})

          .then(() => timeoutPromise(css_test, 1000))

          .then(() => requestViaXhr(check_url))

          .then(function(message) {

              assert_own_property(message, "headers");

              assert_equals(message.referrer, undefined);

});

      }, "Child css from external stylesheet.");

    </script>

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

  </body>

</html>