es6-shim/test/promise/promises-aplus.js

ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines

// tests from promises-aplus-tests

describe('Promises/A+ Tests', function () {
  'use strict';

  if (typeof Promise === 'undefined') {
    return;
  }

  require('promises-aplus-tests').mocha({
    // an adapter from es6 spec to Promises/A+
    deferred: function () {
      var result = {};
      result.promise = new Promise(function (resolve, reject) {
        result.resolve = resolve;
        result.reject = reject;
      });
      return result;
    },
    resolved: Promise.resolve.bind(Promise),
    rejected: Promise.reject.bind(Promise)
  });
});