text: var test = require('tap').test
  var path = require('path')
  var rimraf = require('rimraf')
  var mkdirp = require('mkdirp')
  var spawn = require('child_process').spawn
  var npm = require.resolve('../../bin/npm-cli.js')
  var node = process.execPath
  var pkg = path.resolve(__dirname, 'install-package-json-order')
  var workdir = path.join(pkg, 'workdir')
  var tmp = path.join(pkg, 'tmp')
  var cache = path.join(pkg, 'cache')
  var fs = require('fs')
  var osenv = require('osenv')
  
  test('package.json sorting after install', function (t) {
    var packageJson = path.resolve(pkg, 'package.json')
    var installedPackage = path.resolve(workdir,
      'node_modules/install-package-json-order/package.json')
  
    cleanup()
    mkdirp.sync(cache)
    mkdirp.sync(tmp)
    mkdirp.sync(workdir)
    setup()
  
    var before = JSON.parse(fs.readFileSync(packageJson).toString())
    var child = spawn(node, [npm, 'install', pkg], { cwd: workdir })
  
    child.on('close', function (code) {
      t.equal(code, 0, 'npm install exited with code')
      var result = fs.readFileSync(installedPackage, 'utf8')
      var resultAsJson = JSON.parse(result)
      t.same(resultAsJson.array, before.array)
      t.end()
    })
  })
  
  test('cleanup', function (t) {
    cleanup()
    t.pass('cleaned up')
    t.end()
  })
  
  function setup () {
    mkdirp.sync(pkg)
  
    fs.writeFileSync(path.resolve(pkg, 'package.json'), JSON.stringify({
      'name': 'install-package-json-order',
      'version': '0.0.0',
      'array': [ 'one', 'two', 'three' ]
    }, null, 2), 'utf8')
    fs.writeFileSync(path.resolve(workdir, 'package.json'), JSON.stringify({
      'name': 'install-package-json-order-work',
      'version': '0.0.0'
    }, null, 2), 'utf8')
  }
  
  function cleanup () {
    process.chdir(osenv.tmpdir())
    rimraf.sync(cache)
    rimraf.sync(pkg)
  }
  