text: const add = require('../add')
  const expect = require('chai').expect
  
  describe('add test', function() {
  	//测试用例
  	it('0+0=0', function() {
  		expect(add(0, 0)).to.be.equal(0)
  	})
  	
  	it('1+0=1', function() {
  		expect(add(1, 0)).to.be.equal(1)
  	})
  })