cookieStore_event_overwrite.https.window.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/cookieStore_event_overwrite.https.window.html - WPT Dashboard Interop Dashboard

'use strict';

promise_test(async testCase => {

  await cookieStore.set('cookie-name', 'cookie-value');

  testCase.add_cleanup(async () => {

    await cookieStore.delete('cookie-name');

});

  const eventPromise = new Promise((resolve) => {

    cookieStore.onchange = resolve;

});

  await cookieStore.set('cookie-name', 'new-cookie-value');

  const event = await eventPromise;

  assert_true(event instanceof CookieChangeEvent);

  assert_equals(event.type, 'change');

  assert_equals(event.changed.length, 1);

  assert_equals(event.changed[0].name, 'cookie-name');

  assert_equals(event.changed[0].value, 'new-cookie-value');

  assert_equals(event.deleted.length, 0);

}, 'cookieStore fires change event for cookie overwritten by cookieStore.set()');