<html>
<head>
<script>
function log(msg) {
    var element = document.createElement("div");
    element.textContent = msg;
    document.body.appendChild(element);
    document.body.appendChild(document.createElement("br"));
}

var count = 0;
function fastTimeoutHandler() {
    ++count;
    setTimeout(fastTimeoutHandler, 1);
}

function slowTimeoutHandler() {
    // Note: the count threshold is tied somewhat to the
    // maxTimerNestingLevel in DOMTimer.cpp.
    if (count > 10)
        log("PASS");
    else
        log("FAIL -- timeout ran " + count + " times");
    testRunner.notifyDone();
}

function runTest() {
    if (!window.testRunner) {
        log("This test requires the LayoutTestController");
        return;
    }

    testRunner.dumpAsText();
    testRunner.waitUntilDone();

    // Make timers run no more often than once every two seconds.
    internals.settings.setMinimumTimerInterval(2.0);

    setTimeout(slowTimeoutHandler, 1000);
    setTimeout(fastTimeoutHandler, 1);

    // Allow timers to run quickly again.
    // If this doesn't cause timers to get re-evaluated immediately,
    // the fast timeout handler won't get called for up to two seconds,
    // which would lead to poor responsiveness.
    internals.settings.setMinimumTimerInterval(0.004);
}
</script>
</head>
<body onload="runTest()">
</body>
</html>