chromium/third_party/blink/web_tests/paint/invalidation/svg/repaint-shadow.svg

<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" onload="runRepaintAndPixelTest()">
    <script xlink:href="../resources/text-based-repaint.js"/>
    <script xlink:href="../../../resources/ahem.js"/>
    <text x="20" y="60" font-family="Ahem" font-size="50px" style="text-shadow: 200px 200px 5px red">X</text>
    <text x="170" y="60" font-family="Ahem" font-size="50px" style="text-shadow: 200px 200px 5px red">X</text>
    <script>
        function repaintTest() {
            document.getElementsByTagName('text')[1].setAttribute("x", 171);
            if (window.testRunner)
                testRunner.notifyDone();
        }
    </script>
</svg>