This test ensures that exceptions are handled correctly by the various callback mechanisms present in WebCore.
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
    testRunner.setGeolocationPermission(true);
    testRunner.setMockGeolocationPositionUnavailableError('error');
}

function errorObject(msg) {
    return { message: "FAIL: message incorrectly pulled from thrown object in " + msg, 
             toString: function() {return "PASS: toString called on exception value thrown from " + msg} }
}

function eventTest() {
    setTimeout(rafTest, 0);
    throw errorObject("event handler");
}

function rafTest() {
    requestAnimationFrame(function() { 
        setTimeout(getCurrentPositionTest, 0);
        throw errorObject("request animation callback");
    });
}

function getCurrentPositionTest() {
    navigator.geolocation.getCurrentPosition(function(position) {
        setTimeout(timerTest, 0);
        console.log('FAIL: getCurrentPosition unexpectedly succeeded.');
    }, function(error) {
        setTimeout(timerTest, 0);
        throw errorObject("position callback");
    });
}

function timerTest() {
    if (window.testRunner)
        setTimeout("testRunner.notifyDone()", 0);
    throw errorObject("timer");
}

window.onload = eventTest;
</script>