fixed-body-background-positioned.html

<!DOCTYPE html>
<html>
<head>
    <style>
        body {
            margin: 100px;
            height: 3500px;
            background-image: url('resources/simple_image.png');
            background-size: 200px 200px;
            background-attachment: fixed;
            background-repeat: no-repeat;
            background-position: bottom right;
        }

        .test {
            height: 400px;
            width: 600px;
            background-color: rgba(0, 0, 0, 0.5);
            border: 20px solid orange;
        }
    </style>
    <script src="../resources/run-after-layout-and-paint.js"></script>
    <script>
    if (window.testRunner) {
        testRunner.dumpAsTextWithPixelResults();
        internals.settings.setPreferCompositingToLCDTextEnabled(true);
    }

    function doTest()
    {
        window.scrollTo(0, 200);

        runAfterLayoutAndPaint(function()
        {
            if (window.internals && window.testRunner) {
                var layerTree = internals.layerTreeAsText(document);
                testRunner.setCustomTextOutput(layerTree);
            }
        }, true);
    }

    window.addEventListener('load', doTest, false);
    </script>
</head>
<body>
    <div class="test"></div>
</body>
</html>
chromium/third_party/blink/web_tests/compositing/fixed-body-background-positioned.html
