<!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] -->
<!DOCTYPE html>
<html>
<head>
    <style>
        #container {
            width: 200px;
            height: 200px;
            margin: 20px;
            overflow-y: scroll;
            border-radius: 10px;
            border: 1px solid black;
        }
        
        .filler {
            height: 100%;
            width: 10px;
            background-color: silver;
        }

        .last {
            width: 100%;
            height: 100px;
            overflow: scroll;
        }
        
        .box {
            width: 80%;
            height: 80px;
            background-color: green;
        }
        
        .obscurer {
            position: absolute;
            width: 10px;
            height: 10px;
            background-color: gray;
        }
    </style>
    <script>
        if (window.testRunner)
            testRunner.waitUntilDone();

        window.addEventListener('load', () => {
            setTimeout(() => {
                container.scrollTo(0, 1000);
                if (window.testRunner)
                    testRunner.notifyDone();
            }, 0);
        }, false);
    </script>
</head>
<body>
    <div id=container>
        <div class="filler"></div>
        <div class=last>
            <div class="box"></div>
        </div>
        <div class="obscurer" style="left: 25px; top: 118px;"></div>
        <div class="obscurer" style="left: 160px; top: 118px;"></div>
        <div class="obscurer" style="left: 25px; top: 196px;"></div>
        <div class="obscurer" style="left: 160px; top: 196px;"></div>
    </div>
    <p>You should see a green box in the scroller.</p>
</body>
</html>