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<!DOCTYPE html>
<title>ServiceWorker: navigator.serviceWorker.waiting</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<body>
<script>
const SCRIPT = 'resources/empty-worker.js';
const SCOPE = 'resources/blank.html';
promise_test(async t => {
t.add_cleanup(async() => {
if (frame)
frame.remove();
if (registration)
await registration.unregister();
});
await service_worker_unregister(t, SCOPE);
const frame = await with_iframe(SCOPE);
const registration =
await navigator.serviceWorker.register(SCRIPT, {scope: SCOPE});
await wait_for_state(t, registration.installing, 'installed');
const controller = frame.contentWindow.navigator.serviceWorker.controller;
assert_equals(controller, null, 'controller');
assert_equals(registration.active, null, 'registration.active');
assert_equals(registration.waiting.state, 'installed',
'registration.waiting');
assert_equals(registration.installing, null, 'registration.installing');
}, 'waiting is set after installation');
// Tests that the ServiceWorker objects returned from waiting attribute getter
// that represent the same service worker are the same objects.
promise_test(async t => {
const registration1 =
await service_worker_unregister_and_register(t, SCRIPT, SCOPE);
const registration2 = await navigator.serviceWorker.getRegistration(SCOPE);
assert_equals(registration1.waiting, registration2.waiting,
'ServiceWorkerRegistration.waiting should return the same ' +
'object');
await registration1.unregister();
}, 'The ServiceWorker objects returned from waiting attribute getter that ' +
'represent the same service worker are the same objects');
</script>
</body>
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