serviceworker_cookiechange_eventhandler_single_subscription.https.any.js

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /cookie-store/serviceworker_cookiechange_eventhandler_single_subscription.https.any.serviceworker.html - WPT Dashboard Interop Dashboard

// META: title=Cookie Store API: cookiechange 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.addEventListener('cookiechange', 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');