public function testDoubleClick()
    {
        $evaluateHtml = <<<TEXT
<!DOCTYPE html>
<html>
    <head>
    <meta charset="UTF-8">
    <title>test evaluate</title>
    </head>
    <body>
        <script type="text/javascript">
        function increase() {
            document.getElementById('theField').value++;
        }

        </script>
        <a id="theLink" href='#' onclick='javascript:increase()'>test</a>
        <input type="text" value="0" id="theField" />
    </body>
</html>
TEXT;
        $filename = '/tmp/test-click.html';
        file_put_contents($filename, $evaluateHtml);
        $casper = new Casper();
        $casper->start($filename)->click("#theLink")->run();
        print_r($casper->getOutput());
        @unlink($filename);
    }