chromium/third_party/blink/web_tests/external/wpt/content-security-policy/reporting/report-and-enforce.html

<!DOCTYPE html>
<html>
<head>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <title>Reporting and enforcing policies can be different</title>
    <!-- CSP headers
Content-Security-Policy: img-src 'none'; style-src *; script-src 'self' 'unsafe-inline'

Content-Security-Policy-Report-Only: img-src *; style-src 'none'; script-src 'self' 'unsafe-inline'; report-uri /reporting/resources/report.py?op=put&reportID={{$id}}
-->
</head>
<body>
    <script>
        var img_test = async_test("The image should be blocked");
        var sheet_test = async_test("The stylesheet should load");
        <!-- This image should be blocked, but should not generate a report-->
        var i = document.createElement('img');
        i.onerror = img_test.step_func_done();
        i.onload = img_test.unreached_func("Should not have loaded the img");
        i.src = "../support/fail.png";
        document.body.appendChild(i);
        <!-- This font should be loaded but should generate a report-->
        var s = document.createElement('link');
        s.onerror = sheet_test.unreached_func("Should have loaded the font");
        s.onload = sheet_test.step_func_done();
        s.type = "text/css";
        s.rel="stylesheet";
        s.href = "../support/fonts.css";
        document.body.appendChild(s);
    </script>
    <script async defer src='../support/checkReport.sub.js?reportField=violated-directive&reportValue=style-src%20%27none%27'></script>
</body>
</html>