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// META: title=Cookie Store API: oncookiechange event in ServiceWorker with single subscription
// META: global=serviceworker
'use strict';
const kScope = '/cookie-store/does/not/exist';
// Resolves when the service worker receives the 'activate' event.
const kServiceWorkerActivatedPromise = new Promise((resolve) => {
self.addEventListener('activate', event => { resolve(); });
});
// Resolves when a cookiechange event is received.
const kCookieChangeReceivedPromise = new Promise(resolve => {
self.oncookiechange = event => { resolve(event); };
});
promise_test(async testCase => {
await kServiceWorkerActivatedPromise;
const subscriptions = [{ name: 'cookie-name', url: `${kScope}/path` }];
await registration.cookies.subscribe(subscriptions);
testCase.add_cleanup(() => registration.cookies.unsubscribe(subscriptions));
await cookieStore.set('cookie-name', 'cookie-value');
testCase.add_cleanup(async () => {
await cookieStore.delete('cookie-name');
});
const event = await kCookieChangeReceivedPromise;
assert_equals(event.type, 'cookiechange');
assert_equals(event.changed.length, 1);
assert_equals(event.changed[0].name, 'cookie-name');
assert_equals(event.changed[0].value, 'cookie-value');
assert_equals(event.deleted.length, 0);
assert_true(event instanceof ExtendableCookieChangeEvent);
assert_true(event instanceof ExtendableEvent);
}, 'cookiechange dispatched with cookie change that matches subscription ' +
'to cookiechange event handler registered with addEventListener');
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