language: ruby
install: bundle install
rvm:
  - 2.4
  - 2.5
  - 2.6
matrix:
  exclude:
  - rvm: 2.4
    gemfile: gemfiles/6.0.gemfile
  - rvm: 2.6
    gemfile: gemfiles/4.2.10.gemfile
  - rvm: 2.6
    gemfile: gemfiles/5.1.gemfile
  - rvm: 2.6
    gemfile: gemfiles/5.0.gemfile
gemfiles:
- gemfiles/6.0.gemfile
- gemfiles/4.2.10.gemfile
- gemfiles/5.1.gemfile
- gemfiles/5.2.gemfile
- gemfiles/5.0.gemfile
script: "bundle exec rake spec"