<svg id="svg" width="100%" height="100%" xmlns="http://www.w3.org/2000/svg">
<title>The entire image should be white.</title>
<defs>
    <filter id="morph">
        <feMorphology operator="erode" radius="0"/>
    </filter>
</defs>
<script>
    <![CDATA[
    for(var i = 0; i < 100; i+=5)
    {
        for(var j = 0; j < 100; j+=5)
        {
            var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
            rect.setAttribute("x", i);
            rect.setAttribute("y", j);
            rect.setAttribute("width", "5");
            rect.setAttribute("height", "5");
            rect.setAttribute("filter", "url(#morph)");
            
            document.getElementById("svg").appendChild(rect);
        }
    }

    if (window.testRunner)
        window.testRunner.dumpAsText();
    ]]>
</script>

</svg>