dist: xenial
language: ruby
cache: bundler

before_install:
  # rubygems 2.7.8 and greater include bundler, leave 2.6.0 untouched
  - |
    r_eng="$(ruby -e 'STDOUT.write RUBY_ENGINE')";
    rv="$(ruby -e 'STDOUT.write RUBY_VERSION')";
    if [ "$r_eng" == "ruby" ]; then
      if   [ "$rv" \< "2.3" ]; then gem update --system 2.7.9 --no-document
      elif [ "$rv" \< "2.6" ]; then gem update --system --no-document --conservative
      fi
    fi
    if [ "$TRAVIS_OS_NAME" == "osx" ]; then
      brew update
      brew install ragel
    fi
  - ruby -v && gem --version && bundle version

before_script:
  - bundle exec rake compile

script:
  - bundle exec rake

rvm:
  - 2.2.10
  - 2.3.8
  - 2.4.6
  - 2.5.5
  - 2.6.3
  - ruby-head

matrix:
  fast_finish: true
  include:
    - rvm: ruby-head
      env: RUBYOPT="--jit"
    - rvm: 2.4.6
      os: osx
      osx_image: xcode10.2
    - rvm: 2.5.5
      os: osx
      osx_image: xcode10.2
    - rvm: 2.6.3
      os: osx
      osx_image: xcode10.2
    - rvm: jruby-9.2.7.0
      env: JRUBY_OPTS="--debug" JAVA_OPTS="--add-opens java.base/sun.nio.ch=org.jruby.dist --add-opens java.base/java.io=org.jruby.dist --add-opens java.base/java.util.zip=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.security.cert=ALL-UNNAMED --add-opens java.base/java.security=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED"
    - rvm: jruby-head

  allow_failures:
    - rvm: ruby-head
    - rvm: ruby-head
      env: RUBYOPT="--jit"
    - rvm: jruby-9.2.7.0
    - rvm: jruby-head

env:
  global:
    - TESTOPTS="-v"