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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
var worker_url = 'resources/empty-worker.js';
promise_test(async function(t) {
const scope = 'resources/scope/re-register-resolves-to-new-value';
const registration = await service_worker_unregister_and_register(t, worker_url, scope);
t.add_cleanup(() => registration.unregister());
await wait_for_state(t, registration.installing, 'activated');
await registration.unregister();
const newRegistration = await navigator.serviceWorker.register(worker_url, { scope });
t.add_cleanup(() => newRegistration.unregister());
assert_not_equals(
registration, newRegistration,
'register should resolve to a new value'
);
}, 'Unregister then register resolves to a new value');
promise_test(async function(t) {
const scope = 'resources/scope/re-register-while-old-registration-in-use';
const registration = await service_worker_unregister_and_register(t, worker_url, scope);
t.add_cleanup(() => registration.unregister());
await wait_for_state(t, registration.installing, 'activated');
const frame = await with_iframe(scope);
t.add_cleanup(() => frame.remove());
await registration.unregister();
const newRegistration = await navigator.serviceWorker.register(worker_url, { scope });
t.add_cleanup(() => newRegistration.unregister());
assert_not_equals(
registration, newRegistration,
'Unregister and register should always create a new registration'
);
}, 'Unregister then register does not resolve to the original value even if the registration is in use.');
promise_test(function(t) {
var scope = 'resources/scope/re-register-does-not-affect-existing-controllee';
var iframe;
var registration;
var controller;
return service_worker_unregister_and_register(t, worker_url, scope)
.then(function(r) {
t.add_cleanup(function() {
return service_worker_unregister(t, scope);
});
registration = r;
return wait_for_state(t, r.installing, 'activated');
})
.then(function() {
return with_iframe(scope);
})
.then(function(frame) {
iframe = frame;
controller = iframe.contentWindow.navigator.serviceWorker.controller;
return registration.unregister();
})
.then(function() {
return navigator.serviceWorker.register(worker_url, { scope: scope });
})
.then(function(newRegistration) {
assert_equals(registration.installing, null,
'installing version is null');
assert_equals(registration.waiting, null, 'waiting version is null');
assert_equals(
iframe.contentWindow.navigator.serviceWorker.controller,
controller,
'the worker from the first registration is the controller');
iframe.remove();
});
}, 'Unregister then register does not affect existing controllee');
promise_test(async function(t) {
const scope = 'resources/scope/resurrection';
const altWorkerURL = worker_url + '?alt';
const registration = await service_worker_unregister_and_register(t, worker_url, scope);
t.add_cleanup(() => registration.unregister());
await wait_for_state(t, registration.installing, 'activating');
const iframe = await with_iframe(scope);
t.add_cleanup(() => iframe.remove());
await registration.unregister();
const newRegistration = await navigator.serviceWorker.register(altWorkerURL, { scope });
t.add_cleanup(() => newRegistration.unregister());
assert_equals(newRegistration.active, null, 'Registration is new');
await wait_for_state(t, newRegistration.installing, 'activating');
const newIframe = await with_iframe(scope);
t.add_cleanup(() => newIframe.remove());
const iframeController = iframe.contentWindow.navigator.serviceWorker.controller;
const newIframeController = newIframe.contentWindow.navigator.serviceWorker.controller;
assert_not_equals(iframeController, newIframeController, 'iframes have different controllers');
}, 'Unregister then register does not resurrect the registration');
</script>
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