<html>
<head>
<style>
html {
    height: 2000px;
    overflow: scroll;
}
</style>

<script>
function checkForScroll()
{
    var pageScrollPositionAfter = document.scrollingElement.scrollTop;
    var finishLog = document.getElementById("finishLog");
    if (pageScrollPositionAfter > 50)
        finishLog.innerHTML = "Success!";
    else
        finishLog.innerHTML = "Failure. Try running the test manually. If this proves to be flakey, and we might have to skip it.";
    testRunner.notifyDone();
}

function scrollTest()
{
    eventSender.mouseMoveTo(50, 50);
    eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'began', 'none');
    eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none');
    eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none');
    eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none');
    eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'none', 'begin');
    eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -10, 'none', 'continue');
    eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'none', 'end');
    eventSender.callAfterScrollingCompletes(checkForScroll);
}

function onLoad() {
    window.addEventListener('mousewheel', function() { }, false);

    if (window.eventSender) {
        testRunner.dumpAsText();
        testRunner.waitUntilDone();
        eventSender.monitorWheelEvents();
        setTimeout(scrollTest, 0);
    }
}
</script>
</head>

<body onload="onLoad();">
    <pre id="finishLog">This test passes if you can scroll the page.</pre>
</body>
</html>