dependencies:
  pre:
    - rvm install 2.0.0
    - rvm install 2.1.8
    - rvm install 2.2.4

  override:
    - 'rvm-exec 2.0.0-p648 bundle install'
    - 'rvm-exec 2.1.8 bundle install'
    - 'rvm-exec 2.2.4 bundle install'

test:
  override:
    - 'rvm-exec 2.0.0-p648 bundle exec rake'
    - 'rvm-exec 2.1.8 bundle exec rake'
    - 'rvm-exec 2.2.4 bundle exec rake'