chromium/third_party/blink/web_tests/transforms/hit-test-large-scale.html

<!DOCTYPE html>
<html>
<head>
<script>
    if (window.testRunner)
        testRunner.dumpAsText()

    function runTest()
    {
        document.body.offsetWidth;
        var elt = document.elementFromPoint(130, 130);
        if (elt == document.getElementById('progress'))
            document.getElementById('console').innerHTML = 'PASS';
        else
            document.getElementById('console').innerHTML = 'FAIL';
    }
</script>
<style type="text/css">
    #progress {
        width: 2px;
        height: 2px;
        margin: 10px;
        transform: scale(60);
        -webkit-transform-origin: 0 0;
        background-color: blue;
    }

    #progress:hover {
        background-color: red;
    }
</style>
</head>
<body onload="runTest()">
    <p>The blue box only responds to hover over some of its area. It has a scale() transform</p>
    <div id="progress"></div>

    <div id="console"></div>
</body>
</html>