<html>
<head>
<script src="resources/sw-test-pre.js"></script>
</head>
<body>
<script>

async function test()
{
    try {
         let registration1 = await navigator.serviceWorker.register("resources/empty-worker.js", { });
         await waitForState(registration1.installing, "activated");
         if (registration1.installing)
             log("FAIL: registration1 should not have an installing worker");
         else
             log("PASS: registration1 should not have an installing worker");

         if (registration1.waiting)
             log("FAIL: registration1 should not have a waiting worker");
         else
             log("PASS: registration1 should not have a waiting worker");

         if (registration1.active)
             log("PASS: registration1 should have an active worker");
         else
             log("FAIL: registration1 should have an active worker");

         await registration1.unregister();

         let registration2 = await navigator.serviceWorker.register("resources/empty-worker.js", { });
         if (registration2.installing)
             log("PASS: registration2 should have an installing worker");
         else
             log("FAIL: registration2 should have an installing worker");

         if (registration2.waiting)
             log("FAIL: registration2 should not have a waiting worker");
         else
             log("PASS: registration2 should not have a waiting worker");

         if (registration2.active)
             log("FAIL: registration2 should not have an active worker");
         else
             log("PASS: registration2 should not have an active worker");

    } catch (e) {
        log("FAIL: Got exception " + e);
    }

    finishSWTest();
}

test();
</script>
</body>
</html>