chromium/third_party/blink/web_tests/paint/invalidation/scroll/fixed-after-scroll.html

<html>
<head>
    <link rel="stylesheet" href="../resources/default.css">
    <script src="../resources/text-based-repaint.js"></script>
    <script>
        window.onload = function() {
            window.scrollTo(0, 500);
            runRepaintAndPixelTest();
        };

        function repaintTest()
        {
            document.getElementById('t').style.position = "fixed";
        }
    </script>
</head>

<body style="height:2000px;">
    <!-- Repaint test for https://bugs.webkit.org/show_bug.cgi?id=64650: Layer fixed position logic needs more basic testing -->
    <!-- You should see no red on this page. -->
    <div style="top: 200px;" class="red fixed"></div>
    <div id="t" style="top: 200px;" class="green absolute"></div>
</body>
</html>