add Promises/A+ tests

.travis.yml

@@ -0,0 +1,6 @@
+language: node_js
+sudo: false
+node_js:
+  - "0.12"
+  - "node"
+  - "iojs"

package.json

@@ -9,9 +9,14 @@
     "url": "https://github.com/lahmatiy/es6-promise-polyfill/issues"
   },
   "main": "promise.js",
-  "dependencies": {},
-  "devDependencies": {},
-  "scripts": {},
+  "dependencies": {
+  },
+  "devDependencies": {
+    "promises-aplus-tests": "*"
+  },
+  "scripts": {
+    "test": "promises-aplus-tests test/test-adapter"
+  },
   "keywords": [
     "es6",
     "es2015",

test/test-adapter.js

@@ -0,0 +1,22 @@
+var assert = require('assert');
+var Promise = require('../promise').Polyfill;
+var resolve = Promise.resolve;
+var reject = Promise.reject;
+
+function defer(){
+  var deferred = {};
+
+  deferred.promise = new Promise(function(resolve, reject){
+    deferred.resolve = resolve;
+    deferred.reject = reject;
+  });
+
+  return deferred;
+}
+
+module.exports = {
+  resolved: function(a){ return Promise.resolve(a); },
+  rejected: function(a){ return Promise.reject(a); },
+  deferred: defer,
+  Promise: Promise
+};