<!DOCTYPE html>
<html>
<head>
<script src="resources/sw-test-pre.js"></script>
</head>
<body>
<script>
let updatefoundCount = 0;

navigator.serviceWorker.register("resources/updating-worker.py", { }).then(function(registration) {
    registration.addEventListener("updatefound", function() {
        gc();
        log("updatefound event fired");
        updatefoundCount++;
        if (updatefoundCount == 2)
            finishSWTest();
    });
    registration.update();
    setTimeout(function() {
        gc();
    }, 0);
});
</script>
</body>
</html>