text: var inherits = require('./inherits.js')
  var assert = require('assert')
  
  function test(c) {
      assert(c.constructor === Child)
      assert(c.constructor.super_ === Parent)
      assert(Object.getPrototypeOf(c) === Child.prototype)
      assert(Object.getPrototypeOf(Object.getPrototypeOf(c)) === Parent.prototype)
      assert(c instanceof Child)
      assert(c instanceof Parent)
  }
  
  function Child() {
      Parent.call(this)
      test(this)
  }
  
  function Parent() {
  }
  
  inherits(Child, Parent)
  
  var c = new Child
  test(c)
  
  console.log('ok')
  