node/test/addons/async-hello-world/test.js

'use strict';
const common = require('../../common');
var assert = require('assert');
var binding = require('./build/Release/binding');

binding(5, common.mustCall(function(err, val) {
  assert.equal(null, err);
  assert.equal(10, val);
  process.nextTick(common.mustCall(function() {}));
}));