angular-cn/packages/zone.js/test/extra/bluebird.spec.ts

/**
 * @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
 */
// test bluebird promise patch
// this spec will not be integrated with Travis CI, because I don't
// want to add bluebird into devDependencies, you can run this spec
// on your local environment
process.on('unhandledRejection', (reason, p) => {
  console.log('Unhandled Rejection at:', p, 'reason:', reason);
  // application specific logging, throwing an error, or other logic here
});

describe('bluebird promise', () => {
  let BluebirdPromise: any;
  beforeAll(() => {
    BluebirdPromise = require('bluebird');
    // import bluebird patch
    require('../../lib/extra/bluebird');
    const patchBluebird = (Zone as any)[(Zone as any).__symbol__('bluebird')];
    patchBluebird(BluebirdPromise);
  });

  let log: string[];

  const zone = Zone.root.fork({
    name: 'bluebird',
    onScheduleTask: (delegate, curr, targetZone, task) => {
      log.push('schedule bluebird task ' + task.source);
      return delegate.scheduleTask(targetZone, task);
    },
    onInvokeTask: (delegate, curr, target, task, applyThis, applyArgs) => {
      log.push('invoke bluebird task ' + task.source);
      return delegate.invokeTask(target, task, applyThis, applyArgs);
    }
  });

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

  it('bluebird promise then method should be in zone and treated as microTask', (done) => {
    zone.run(() => {
      const p = new BluebirdPromise((resolve: any, reject: any) => {
        setTimeout(() => {
          resolve('test');
        }, 0);
      });
      p.then(() => {
        expect(Zone.current.name).toEqual('bluebird');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        done();
      });
    });
  });

  it('bluebird promise catch method should be in zone and treated as microTask', (done) => {
    zone.run(() => {
      const p = new BluebirdPromise((resolve: any, reject: any) => {
        setTimeout(() => {
          reject('test');
        }, 0);
      });
      p.catch(() => {
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        done();
      });
    });
  });

  it('bluebird promise spread method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.all([BluebirdPromise.resolve('test1'), BluebirdPromise.resolve('test2')])
          .spread((r1: string, r2: string) => {
            expect(r1).toEqual('test1');
            expect(r2).toEqual('test2');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise finally method should be in zone', (done) => {
    zone.run(() => {
      const p = new BluebirdPromise((resolve: any, reject: any) => {
        setTimeout(() => {
          resolve('test');
        }, 0);
      });
      p.finally(() => {
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        done();
      });
    });
  });

  it('bluebird promise join method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise
          .join(
              BluebirdPromise.resolve('test1'), BluebirdPromise.resolve('test2'),
              (r1: string, r2: string) => {
                expect(r1).toEqual('test1');
                expect(r2).toEqual('test2');
                expect(Zone.current.name).toEqual('bluebird');
              })
          .then(() => {
            expect(Zone.current.name).toEqual('bluebird');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            done();
          });
    });
  });

  it('bluebird promise try method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise
          .try(() => {
            throw new Error('promise error');
          })
          .catch((err: Error) => {
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            expect(err.message).toEqual('promise error');
            done();
          });
    });
  });

  it('bluebird promise method method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise
          .method(() => {
            return 'test';
          })()
          .then((result: string) => {
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            expect(result).toEqual('test');
            done();
          });
    });
  });

  it('bluebird promise resolve method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.resolve('test').then((result: string) => {
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        expect(result).toEqual('test');
        done();
      });
    });
  });

  it('bluebird promise reject method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.reject('error').catch((error: any) => {
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        expect(error).toEqual('error');
        done();
      });
    });
  });

  it('bluebird promise all method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.all([BluebirdPromise.resolve('test1'), BluebirdPromise.resolve('test2')])
          .then((r: string[]) => {
            expect(r[0]).toEqual('test1');
            expect(r[1]).toEqual('test2');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise props method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise
          .props({test1: BluebirdPromise.resolve('test1'), test2: BluebirdPromise.resolve('test2')})
          .then((r: any) => {
            expect(r.test1).toEqual('test1');
            expect(r.test2).toEqual('test2');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise any method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.any([BluebirdPromise.resolve('test1'), BluebirdPromise.resolve('test2')])
          .then((r: any) => {
            expect(r).toEqual('test1');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise some method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.some([BluebirdPromise.resolve('test1'), BluebirdPromise.resolve('test2')], 1)
          .then((r: any) => {
            expect(r.length).toBe(1);
            expect(r[0]).toEqual('test1');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise map method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise
          .map(
              ['test1', 'test2'],
              (value: any) => {
                return BluebirdPromise.resolve(value);
              })
          .then((r: string[]) => {
            expect(r.length).toBe(2);
            expect(r[0]).toEqual('test1');
            expect(r[1]).toEqual('test2');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise reduce method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise
          .reduce(
              [1, 2],
              (total: string, value: string) => {
                return BluebirdPromise.resolve(total + value);
              })
          .then((r: number) => {
            expect(r).toBe(3);
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBeTruthy();
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length)
                .toBeTruthy();
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise filter method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise
          .filter(
              [1, 2, 3],
              (value: number) => {
                return value % 2 === 0 ? BluebirdPromise.resolve(true) :
                                         BluebirdPromise.resolve(false);
              })
          .then((r: number[]) => {
            expect(r[0]).toBe(2);
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise each method should be in zone', (done) => {
    zone.run(() => {
      const arr = [1, 2, 3];
      BluebirdPromise
          .each(
              BluebirdPromise.map(arr, (item: number) => BluebirdPromise.resolve(item)),
              (r: number, idx: number) => {
                expect(r).toBe(arr[idx]);
                expect(Zone.current.name).toEqual('bluebird');
              })
          .then((r: any) => {
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBeTruthy();
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length)
                .toBeTruthy();
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise mapSeries method should be in zone', (done) => {
    zone.run(() => {
      const arr = [1, 2, 3];
      BluebirdPromise
          .mapSeries(
              BluebirdPromise.map(arr, (item: number) => BluebirdPromise.resolve(item)),
              (r: number, idx: number) => {
                expect(r).toBe(arr[idx]);
                expect(Zone.current.name).toEqual('bluebird');
              })
          .then((r: any) => {
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBeTruthy();
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length)
                .toBeTruthy();
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
      ;
    });
  });

  it('bluebird promise race method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.race([BluebirdPromise.resolve('test1'), BluebirdPromise.resolve('test2')])
          .then((r: string) => {
            expect(r).toEqual('test1');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise using/disposer method should be in zone', (done) => {
    zone.run(() => {
      const p = new BluebirdPromise((resolve: Function, reject: any) => {
        setTimeout(() => {
          resolve('test');
        }, 0);
      });
      p.leakObj = [];
      const disposer = p.disposer(() => {
        p.leakObj = null;
      });
      BluebirdPromise
          .using(
              disposer,
              (v: string) => {
                p.leakObj.push(v);
              })
          .then(() => {
            expect(Zone.current.name).toEqual('bluebird');
            expect(p.leakObj).toBe(null);
            // using will generate several promise inside bluebird
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBeTruthy();
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length)
                .toBeTruthy();
            done();
          });
    });
  });

  it('bluebird promise promisify method should be in zone and treated as microTask', (done) => {
    const func = (cb: Function) => {
      setTimeout(() => {
        cb(null, 'test');
      }, 10);
    };

    const promiseFunc = BluebirdPromise.promisify(func);
    zone.run(() => {
      promiseFunc().then((r: string) => {
        expect(Zone.current.name).toEqual('bluebird');
        expect(r).toBe('test');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        done();
      });
    });
  });

  it('bluebird promise promisifyAll method should be in zone', (done) => {
    const obj = {
      func1: (cb: Function) => {
        setTimeout(() => {
          cb(null, 'test1');
        }, 10);
      },
      func2: (cb: Function) => {
        setTimeout(() => {
          cb(null, 'test2');
        }, 10);
      },
    };

    const promiseObj = BluebirdPromise.promisifyAll(obj);
    zone.run(() => {
      BluebirdPromise.all([promiseObj.func1Async(), promiseObj.func2Async()])
          .then((r: string[]) => {
            expect(Zone.current.name).toEqual('bluebird');
            expect(r[0]).toBe('test1');
            expect(r[1]).toBe('test2');
            // using will generate several promise inside
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            done();
          });
    });
  });

  it('bluebird promise fromCallback method should be in zone', (done) => {
    const resolver = (cb: Function) => {
      setTimeout(() => {
        cb(null, 'test');
      }, 10);
    };

    zone.run(() => {
      BluebirdPromise.fromCallback(resolver).then((r: string) => {
        expect(Zone.current.name).toEqual('bluebird');
        expect(r).toBe('test');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        done();
      });
    });
  });

  it('bluebird promise asCallback method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.resolve('test').asCallback((err: Error, r: string) => {
        expect(Zone.current.name).toEqual('bluebird');
        expect(r).toBe('test');
        done();
      });
    });
  });

  it('bluebird promise delay method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.resolve('test').delay(10).then((r: string) => {
        expect(Zone.current.name).toEqual('bluebird');
        expect(r).toBe('test');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        done();
      });
    });
  });

  it('bluebird promise timeout method should be in zone', (done) => {
    zone.run(() => {
      new BluebirdPromise((resolve: any, reject: any) => {
        setTimeout(() => {
          resolve('test');
        }, 10);
      })
          .timeout(100)
          .then((r: string) => {
            expect(Zone.current.name).toEqual('bluebird');
            expect(r).toBe('test');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            done();
          });
    });
  });

  it('bluebird promise tap method should be in zone', (done) => {
    zone.run(() => {
      const p = new BluebirdPromise((resolve: any, reject: any) => {
        setTimeout(() => {
          resolve('test');
        }, 0);
      });
      p.tap(() => {
         expect(Zone.current.name).toEqual('bluebird');
       }).then(() => {
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        done();
      });
    });
  });

  it('bluebird promise call method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise
          .map(
              ['test1', 'test2'],
              (value: any) => {
                return BluebirdPromise.resolve(value);
              })
          .call(
              'shift',
              (value: any) => {
                return value;
              })
          .then((r: string) => {
            expect(r).toEqual('test1');
            expect(log.filter(item => item === 'schedule bluebird task Promise.then').length)
                .toBe(1);
            expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
            expect(Zone.current.name).toEqual('bluebird');
            done();
          });
    });
  });

  it('bluebird promise get method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.resolve(['test1', 'test2']).get(-1).then((r: string) => {
        expect(r).toEqual('test2');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        done();
      });
    });
  });

  it('bluebird promise return method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.resolve().return('test1').then((r: string) => {
        expect(r).toEqual('test1');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        done();
      });
    });
  });

  it('bluebird promise throw method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.resolve().throw('test1').catch((r: string) => {
        expect(r).toEqual('test1');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        done();
      });
    });
  });

  it('bluebird promise catchReturn method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.reject().catchReturn('test1').then((r: string) => {
        expect(r).toEqual('test1');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        done();
      });
    });
  });

  it('bluebird promise catchThrow method should be in zone', (done) => {
    zone.run(() => {
      BluebirdPromise.reject().catchThrow('test1').catch((r: string) => {
        expect(r).toEqual('test1');
        expect(log.filter(item => item === 'schedule bluebird task Promise.then').length).toBe(1);
        expect(log.filter(item => item === 'invoke bluebird task Promise.then').length).toBe(1);
        expect(Zone.current.name).toEqual('bluebird');
        done();
      });
    });
  });

  it('bluebird promise reflect method should be in zone', (done) => {
    zone.run(() => {
      const promises = [BluebirdPromise.resolve('test1'), BluebirdPromise.reject('test2')];
      BluebirdPromise
          .all(promises.map(promise => {
            return promise.reflect();
          }))
          .each((r: any) => {
            if (r.isFulfilled()) {
              expect(r.value()).toEqual('test1');
            } else {
              expect(r.reason()).toEqual('test2');
              done();
            }
            expect(Zone.current.name).toEqual('bluebird');
          });
    });
  });

  it('bluebird should be able to run into different zone', (done: Function) => {
    Zone.current.fork({name: 'zone_A'}).run(() => {
      new BluebirdPromise((resolve: any, reject: any) => {
        expect(Zone.current.name).toEqual('zone_A');
        resolve(1);
      }).then((r: any) => {
        expect(Zone.current.name).toEqual('zone_A');
      });
    });

    Zone.current.fork({name: 'zone_B'}).run(() => {
      new BluebirdPromise((resolve: any, reject: any) => {
        expect(Zone.current.name).toEqual('zone_B');
        resolve(2);
      }).then((r: any) => {
        expect(Zone.current.name).toEqual('zone_B');
        done();
      });
    });
  });

  it('should be able to chain promise', (done: DoneFn) => {
    Zone.current.fork({name: 'zone_A'}).run(() => {
      new BluebirdPromise((resolve: any, reject: any) => {
        expect(Zone.current.name).toEqual('zone_A');
        resolve(1);
      })
          .then((r: any) => {
            expect(r).toBe(1);
            expect(Zone.current.name).toEqual('zone_A');
            return Promise.resolve(2);
          })
          .then((r: any) => {
            expect(r).toBe(2);
            expect(Zone.current.name).toEqual('zone_A');
          });
    });
    Zone.current.fork({name: 'zone_B'}).run(() => {
      new BluebirdPromise((resolve: any, reject: any) => {
        expect(Zone.current.name).toEqual('zone_B');
        reject(1);
      })
          .then(
              () => {
                fail('should not be here.');
              },
              (r: any) => {
                expect(r).toBe(1);
                expect(Zone.current.name).toEqual('zone_B');
                return Promise.resolve(2);
              })
          .then((r: any) => {
            expect(r).toBe(2);
            expect(Zone.current.name).toEqual('zone_B');
            done();
          });
    });
  });

  it('should catch rejected chained bluebird promise', (done: DoneFn) => {
    const logs: string[] = [];
    const zone = Zone.current.fork({
      name: 'testErrorHandling',
      onHandleError: function() {
        // should not get here
        logs.push('onHandleError');
        return true;
      }
    });

    zone.runGuarded(() => {
      return BluebirdPromise.resolve()
          .then(() => {
            throw new Error('test error');
          })
          .catch(() => {
            expect(logs).toEqual([]);
            done();
          });
    });
  });

  it('should catch rejected chained global promise', (done: DoneFn) => {
    const logs: string[] = [];
    const zone = Zone.current.fork({
      name: 'testErrorHandling',
      onHandleError: function() {
        // should not get here
        logs.push('onHandleError');
        return true;
      }
    });

    zone.runGuarded(() => {
      return Promise.resolve()
          .then(() => {
            throw new Error('test error');
          })
          .catch(() => {
            expect(logs).toEqual([]);
            done();
          });
    });
  });

  it('should catch rejected bluebird promise', (done: DoneFn) => {
    const logs: string[] = [];
    const zone = Zone.current.fork({
      name: 'testErrorHandling',
      onHandleError: function() {
        // should not get here
        logs.push('onHandleError');
        return true;
      }
    });

    zone.runGuarded(() => {
      return BluebirdPromise.reject().catch(() => {
        expect(logs).toEqual([]);
        done();
      });
    });
  });

  it('should catch rejected global promise', (done: DoneFn) => {
    const logs: string[] = [];
    const zone = Zone.current.fork({
      name: 'testErrorHandling',
      onHandleError: function() {
        // should not get here
        logs.push('onHandleError');
        return true;
      }
    });

    zone.runGuarded(() => {
      return Promise.reject(new Error('reject')).catch(() => {
        expect(logs).toEqual([]);
        done();
      });
    });
  });

  it('should trigger onHandleError when unhandledRejection', (done: DoneFn) => {
    const zone = Zone.current.fork({
      name: 'testErrorHandling',
      onHandleError: function() {
        setTimeout(done, 100);
        return true;
      }
    });

    zone.runGuarded(() => {
      return Promise.reject(new Error('reject'));
    });
  });

  it('should trigger onHandleError when unhandledRejection in chained Promise', (done: DoneFn) => {
    const zone = Zone.current.fork({
      name: 'testErrorHandling',
      onHandleError: function() {
        setTimeout(done, 100);
        return true;
      }
    });

    zone.runGuarded(() => {
      return Promise.resolve().then(() => {
        throw new Error('test');
      });
    });
  });

  it('should not trigger unhandledrejection if zone.onHandleError return false', (done: DoneFn) => {
    const listener = function() {
      fail('should not be here');
    };

    if (typeof window !== 'undefined') {
      window.addEventListener('unhandledrejection', listener);
    } else if (typeof process !== 'undefined') {
      process.on('unhandledRejection', listener);
    }

    const zone = Zone.current.fork({
      name: 'testErrorHandling',
      onHandleError: function() {
        setTimeout(() => {
          if (typeof window !== 'undefined') {
            window.removeEventListener('unhandledrejection', listener);
          } else if (typeof process !== 'undefined') {
            process.removeListener('unhandledRejection', listener);
          }
          done();
        }, 500);
        return false;
      }
    });

    zone.runGuarded(() => {
      return Promise.resolve().then(() => {
        throw new Error('test');
      });
    });
  });

  it('should trigger unhandledrejection if zone.onHandleError return true', (done: DoneFn) => {
    const listener = function(event: any) {
      if (typeof window !== 'undefined') {
        expect(event.detail.reason.message).toEqual('test');
      } else if (typeof process !== 'undefined') {
        expect(event.message).toEqual('test');
      }
      if (typeof window !== 'undefined') {
        window.removeEventListener('unhandledrejection', listener);
      } else if (typeof process !== 'undefined') {
        process.removeListener('unhandledRejection', listener);
      }
      done();
    };
    if (typeof window !== 'undefined') {
      window.addEventListener('unhandledrejection', listener);
    } else if (typeof process !== 'undefined') {
      process.on('unhandledRejection', listener);
    }

    const zone = Zone.current.fork({
      name: 'testErrorHandling',
      onHandleError: function() {
        return true;
      }
    });

    zone.runGuarded(() => {
      return Promise.resolve().then(() => {
        throw new Error('test');
      });
    });
  });
});