language: node_js
cache:
  directories:
    - node_modules
node_js:
  - '6'
  - '5'
  - '4'
  - iojs-v3
  - iojs-v2
  - iojs-v1
  - '0.12'
  - '0.11'
  - '0.10'
  - '0.8'
before_script:
  # This makes ping work in tests.
  - /bin/ping -n -w 1 -c 1 127.0.0.1