language: php
php:
  - 5.4
  - 5.5
  - 5.6
  - 7
  - hhvm

matrix:
  fast_finish: true
  allow_failures:
    - php: 7

env:
  matrix:
    - PREFER_LOWEST=""
    - PREFER_LOWEST="--prefer-lowest"


before_script:
    - composer self-update
    - composer update --prefer-source $PREFER_LOWEST

script:
  - ./bin/phpunit --configuration tests/phpunit.xml
  - ./bin/sabre-cs-fixer fix . --dry-run --diff