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Test Info:

<!DOCTYPE html>
<html>
<head>
<title>CSS integration - image from imported stylesheet (internal)</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 resources from stylesheets (imported from internal
stylesheets) are loaded with the referrer and referrer policy from the
document.</p>
<div class="styled"></div>
<script>
promise_test(function(css_test) {
var id = token();
var url_prefix = location.protocol + "//www1." + location.hostname + ":" + location.port + "/common/security-features/subresource/";
var css_url = url_prefix + "stylesheet.py?id=" + id;
var img_url = url_prefix + "image.py?report-headers&id=" + id;
var 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(img_url))
.then(function(message) {
assert_own_property(message, "headers");
assert_own_property(message, "referrer");
assert_equals(message.referrer, css_url);
});
}, "Image from imported stylesheet (internal).");
</script>
<div id="log"></div>
</body>
</html>