text: 'use strict'
  /* eslint-disable no-unused-expressions */
  
  let util = require('../util')
  
  describe('Util', () => {
    describe('Null or Undefined', () => {
      it('should detect null', () => {
        expect(util.isEmpty(null)).to.equal(true)
      })
      it('should detect undefined', () => {
        expect(util.isEmpty(undefined)).to.equal(true)
      })
      it('should not false detect', () => {
        expect(util.isEmpty('')).to.equal(false)
      })
    })
  })
  