// For now this test only calls update to verify that our registration
// job queueing works properly when called from the worker thread. We should
// test actual update scenarios with a SJS test.
onmessage = function(e) {
  self.registration
    .update()
    .then(function(v) {
      return v instanceof ServiceWorkerRegistration ? "FINISH" : "FAIL";
    })
    .catch(function(ex) {
      return "FAIL";
    })
    .then(function(result) {
      clients.matchAll().then(function(c) {
        if (!c.length) {
          dump(
            "!!!!!!!!!!! WORKER HAS NO CLIENTS TO FINISH TEST !!!!!!!!!!!!\n"
          );
          return;
        }

        c[0].postMessage(result);
      });
    });
};