<!DOCTYPE html>
<html>
<body>
<script src="resources/sw-test-pre.js"></script>
<script>
log("* Add basic testing for ServiceWorkerGlobalScope.registration.update()");
log("");

navigator.serviceWorker.register("resources/self_registration_update-worker.py", { }).then(function(_registration) {
    registration = _registration;
    worker = registration.installing;

    waitForState(worker, "activated").then(function() {
        registration.addEventListener("updatefound", function() {
            log("PASS: registration was successfuly updated by the service worker");
            waitForState(worker, "redundant").then(function() {
                log("PASS: service worker became redundant");
                if (registration.active === worker)
                    log("PASS: Old worker is still the registration's active worker");
                else
                    log("FAIL: Old worker is still the registration's active worker");

                if (!self.registration.waiting || self.registration.waiting === worker)
                    log("FAIL: New worker should be the registration's waiting worker");
                else
                    log("PASS: New worker should be the registration's waiting worker");
                finishSWTest();
            });
        });
        worker.postMessage("update");
    });
});
</script>
</body>
</html>