text: import {expect} from 'chai';
  import {Person, Department} from '../../src/chp7/HideDelegate'
  
  describe('Person', () => {
      const aPerson = new Person("Tom", new Department("aManager", "999"));
  
      it('report tracking information', () => {
          expect(aPerson.name).to.eql("Tom");
          expect(aPerson.manager).to.eql("aManager");
          expect(aPerson.chargeCode).to.eql("999");
      });
  });
  