angular-docs-cn/packages/zone.js/test/rxjs/rxjs.empty.spec.ts

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TypeScript

/**
* @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 {Observable, empty} from 'rxjs';
describe('Observable.empty', () => {
let log: any[];
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
let observable1: Observable<any>;
beforeEach(() => { log = []; });
it('empty func callback should run in the correct zone', () => {
observable1 = constructorZone1.run(() => { return empty(); });
subscriptionZone.run(() => {
observable1.subscribe(
(result: any) => { fail('should not call next'); },
() => { fail('should not call error'); },
() => { expect(Zone.current.name).toEqual(subscriptionZone.name); });
});
});
});