add babel demo

.babelrc

@@ -0,0 +1,4 @@
+{
+  "presets": ["es2015"],
+  "plugins": ["transform-async-to-generator"]
+}

README.md

@@ -14,6 +14,7 @@ Summary
 - [Examples](#examples)
   - [Simple tests](#simple-tests)
   - [Mocha style tests](#mocha-style-tests)
+  - [Es-next tests with babel](#es-next-tests-with-babel)
   - [Tests in source code](#tests-in-source-code)
   - [Practical tests](#practical-tests)
   - [Complex tests](#complex-tests)
@@ -149,6 +150,39 @@ describe('mocha style', function () {
 })
 ```
 
+### [Es-next tests with babel](https://github.com/thunks/tman/tree/master/example/es-next.es)
+`tman -r babel-register -r babel-polyfill example/es-next.es`:
+```js
+import assert from 'assert'
+import tman from 'tman'
+
+var count = 0
+// async "after hook"
+tman.after(async () => {
+  assert.strictEqual(await Promise.resolve(count++), 4)
+})
+
+tman.it('async/await asynchronous test', async function () {
+  assert.strictEqual(await Promise.resolve(count++), 0)
+  assert.strictEqual(await new Promise((resolve, reject) => {
+    setTimeout(() => {
+      resolve(count++)
+    }, 100)
+  }), 1)
+})
+
+tman.it('generator asynchronous test', function * () {
+  // yield Promise
+  assert.strictEqual(yield Promise.resolve(count++), 2)
+  // yield thunk function
+  assert.strictEqual(yield (done) => {
+    setTimeout(() => {
+      done(null, count++)
+    }, 100)
+  }, 3)
+})
+```
+
 ### [Tests in source code](https://github.com/thunks/tman/tree/master/example/tests-in-source-code.js)
 It shows writing tests in source code. The tests will run in [test mode](#t-man-test-mode).
 

example/es-next.es

@@ -0,0 +1,37 @@
+'use strict'
+// **Github:** https://github.com/thunks/tman
+//
+// **License:** MIT
+
+// `babel-node --presets es2015 --plugins transform-async-to-generator bin/tman example/es-next.es`
+// or (with .babelrc)
+// `tman -r babel-register -r babel-polyfill example/es-next.es`
+
+import assert from 'assert'
+import tman from '..'
+
+var count = 0
+// async "after hook"
+tman.after(async () => {
+  assert.strictEqual(await Promise.resolve(count++), 4)
+})
+
+tman.it('async/await asynchronous test', async function () {
+  assert.strictEqual(await Promise.resolve(count++), 0)
+  assert.strictEqual(await new Promise((resolve, reject) => {
+    setTimeout(() => {
+      resolve(count++)
+    }, 100)
+  }), 1)
+})
+
+tman.it('generator asynchronous test', function * () {
+  // yield Promise
+  assert.strictEqual(yield Promise.resolve(count++), 2)
+  // yield thunk function
+  assert.strictEqual(yield (done) => {
+    setTimeout(() => {
+      done(null, count++)
+    }, 100)
+  }, 3)
+})

package.json

@@ -54,6 +54,10 @@
     "thunks": "^4.2.2"
   },
   "devDependencies": {
+    "babel-plugin-transform-async-to-generator": "^6.8.0",
+    "babel-polyfill": "^6.9.1",
+    "babel-preset-es2015": "^6.9.0",
+    "babel-register": "^6.9.0",
     "coffee-script": "^1.10.0",
     "istanbul": "^0.4.4",
     "standard": "^7.1.2",