<!DOCTYPE html>
<html>
    <head>
        <style>
            #theDiv {
                width: 100px;
                height: 100px;
                -webkit-mask-image: url(resources/circle.png);
                -webkit-mask-repeat: round;
                /* the mask-size is at least twice as big as the div */
                -webkit-mask-size: 201px 201px;
                background-color: green;
            }
        </style>
        <script>
            if (window.testRunner)
                testRunner.dumpAsText();
        </script>
    </head>
    <body>
        <p>This test PASSES if it doesn't CRASH.</p>
        <div id="theDiv" />
    </body>
</html>