LayoutTests/fast/repaint/selection-clear.html

<html>
<head>
    <script src="resources/repaint.js" type="text/javascript"></script>
    <script type="text/javascript">
       function repaintTest()
       {
            firstLine.appendChild(document.createTextNode("\u00a0"));
            firstLine.removeChild(firstLine.firstChild);
       }
    </script>
    <style>
        #firstLine { background-color: green; }
        #firstLine::selection { background-color: green; }
    </style>
</head>
<body onload="runRepaintTest();">
    <div id="root" style="width: 100px; line-height: 100px;">
        <div id="firstLine">FAIL: Test did not run</div><br>
    </div>
    <script>
        var root = document.getElementById("root");
        var firstLine = document.getElementById("firstLine");
        var selection = getSelection();
        
        selection.setBaseAndExtent(firstLine, 0, root.lastChild, 0);
    </script>
</body>