adding basic sanity checks

package.json

@@ -1,6 +1,6 @@
 {
   "name": "intl",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "description": "Polyfill the ECMA-402 Intl API (except collation)",
   "main": "index.js",
   "directories": {
@@ -72,7 +72,7 @@
     "build:dist": "npm run build:dist:dev && npm run build:dist:prod",
     "build": "npm run build:data && npm run build:lib && npm run build:dist",
     "lint": "eslint .",
-    "test": "cd tests && node noderunner.js && node saucelabs.js",
+    "test": "cd tests && node sanity.js && node noderunner.js && node saucelabs.js",
     "pretest": "npm run lint",
     "preversion": "npm run clean && npm run build && npm run test",
     "prepublish": "npm run clean && npm run build"

tests/sanity.js

@@ -0,0 +1,24 @@
+var IntlPolyfill = require('../');
+
+function assert(value, expected) {
+    if (value !== expected) {
+        console.log('expected value ' + expected + ' but the actual value is ' + value);
+        process.exit(1);
+    }
+}
+
+assert(new IntlPolyfill.NumberFormat('de-DE', {
+    minimumFractionDigits: 2,
+    maximumFractionDigits: 2
+}).format(0.015), "0,02");
+
+assert(new IntlPolyfill.NumberFormat('en-US', {
+    style: 'currency',
+    currency: 'GBP',
+    minimumFractionDigits: 2,
+}).format(59.88), '£59.88');
+
+assert(new IntlPolyfill.DateTimeFormat('en', {
+    month:'numeric',
+    day: 'numeric'
+}).format(new Date('2016/05/16')), '5/16');