/** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import {NEVER, Observable} from 'rxjs'; import {startWith} from 'rxjs/operators'; describe('Observable.never', () => { let log: any[]; const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'}); const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'}); let observable1: Observable; beforeEach(() => { log = []; }); it('never func callback should run in the correct zone', () => { observable1 = constructorZone1.run(() => { return NEVER.pipe(startWith(7)); }); subscriptionZone.run(() => { observable1.subscribe( (result: any) => { expect(Zone.current.name).toEqual(subscriptionZone.name); log.push(result); }, () => { fail('should not call error'); }, () => { fail('should not call complete'); }); }); expect(log).toEqual([7]); }); });