---
language: ruby
sudo: false
matrix:
  include:
  - rvm: 1.9.3
  - rvm: 2.0
  - rvm: 2.1
  - rvm: 2.2.5
  - rvm: 2.3.1
  - rvm: 2.4.0
    env:
      - RUBYOPT="--enable-frozen-string-literal --debug=frozen-string-literal"
  - rvm: jruby-1.7
  - rvm: jruby-9.1.5.0