/**
 * @license
 * Copyright Google LLC 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 {from} from 'rxjs';
import {asyncTest} from '../test-util';

describe('Observable.fromPromise', () => {
  let log: any[];
  let observable1: any;

  beforeEach(() => {
    log = [];
  });

  it(
    'fromPromise func callback should run in the correct zone',
    asyncTest((done: any) => {
      const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
      const promiseZone1: Zone = Zone.current.fork({name: 'Promise Zone1'});
      const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
      let res: any;
      let promise: any = promiseZone1.run(() => {
        return new Promise((resolve, reject) => {
          res = resolve;
        });
      });
      observable1 = constructorZone1.run(() => {
        return from(promise);
      });

      subscriptionZone.run(() => {
        observable1.subscribe(
          (result: any) => {
            expect(Zone.current.name).toEqual(subscriptionZone.name);
            log.push(result);
            expect(log).toEqual([1]);
            done();
          },
          () => {
            fail('should not call error');
          },
          () => {},
        );
      });
      res(1);

      expect(log).toEqual([]);
    }, Zone.root),
  );
});
