processing-instruction.html

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

<!DOCTYPE html>

<html>

  <head>

    <title>CSS integration - child css via a ProcessingInstruction</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 the

    external stylesheet(referenced from a ProcessingInstruction).</p>

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

    <script>

      promise_test(function(css_test) {

        let id = token();

        let url_prefix = location.protocol + "//www1." + location.hostname + ":" +

                         location.port +

                         "/common/security-features/subresource/stylesheet.py?id=" +

id;

        let css_url = url_prefix + "&amp;import-rule";

        let expected = url_prefix + "&import-rule";

        let check_url = url_prefix + "&report-headers";

        let processingInstruction =

          document.createProcessingInstruction(

            "xml-stylesheet", "href=\"" +css_url + "\" type=\"text/css\"");

        document.insertBefore(processingInstruction, document.firstChild);

        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, expected);

});

      }, "Child css via a ProcessingInstruction.");

    </script>

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

  </body>

</html>