language: node_js
node_js:
  - "0.10"
env:
  - PROMISE_IMPL=es6-promise
  - PROMISE_IMPL=promise
  - PROMISE_IMPL=native-promise-only
  - PROMISE_IMPL=bluebird
  - PROMISE_IMPL=rsvp
  - PROMISE_IMPL=when
  - PROMISE_IMPL=q