nodejs/test/parallel/test-crypto-domains.js

var crypto = require('crypto');
var domain = require('domain');
var assert = require('assert');
var d = domain.create();
var expect = ['pbkdf2', 'randomBytes', 'pseudoRandomBytes']
var errors = 0;

process.on('exit', function() {
  assert.equal(errors, 3);
});

d.on('error', function (e) {
  assert.equal(e.message, expect.shift());
  errors += 1;
});

d.run(function () {
  one();

  function one() {
    crypto.pbkdf2('a', 'b', 1, 8, function () {
      two();
      throw new Error('pbkdf2');
    });
  }

  function two() {
    crypto.randomBytes(4, function () {
      three();
      throw new Error('randomBytes');
    });
  }

  function three() {
    crypto.pseudoRandomBytes(4, function () {
      throw new Error('pseudoRandomBytes');
    });
  }
});