language: node_js
node_js:
  - "0.12.15"
  - "4.5"
  - "6.5.0"
before_install:
  - npm install coveralls
  - npm install mocha-lcov-reporter
install:
  - CXX="g++-4.8" CC="gcc-4.8" npm install
addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    packages:
    - gcc-4.8
    - g++-4.8
script: npm run-script coveralls
branches:
  only:
    - master