Function testPromiseSubClass

packages/zone.js/test/common/Promise.spec.ts:634–647

(done?: Function)

      });

      function testPromiseSubClass(done?: Function) {
        const myPromise = new MyPromise(function (resolve: any, reject: Function) {
          resolve('foo');
        });

        return Promise.resolve()
          .then(function () {
            return myPromise;
          })
          .then(function (result) {
            expect(result).toBe('foo');
            done && done();
          });
      }

      it(
        'should resolve if the Promise subclass resolves',