node-0.12-check.js

var start = new Date().getTime(),
    checkpoint = null,
    delay = 1000,
    end = start + (delay * 2),
    current;

setTimeout(function () {
    if ((current = new Date().getTime()) < end) {
        console.log('we\'re borked');
    } else {
        console.log('setTimeout has been delayed as expected');
    }
}, delay);


while ((current = new Date().getTime()) < end) {
    if (!checkpoint || (checkpoint + 200 < current)) {
        console.log((current - start) + ' ms have passed');
        checkpoint = current;
    }
}