sudo: required
language: java
jdk: 
 - oraclejdk8
 - oraclejdk11
env:
 - NODE_VERSION=8 CC=clang CXX=clang++
 - NODE_VERSION=10 CC=clang CXX=clang++
 - NODE_VERSION=11 CC=clang CXX=clang++
addons:
  chrome: stable
  firefox: latest
before_install:
  - rm -rf ./node_modules package-lock.json
  - nvm install $NODE_VERSION
install: "npm install"
before_script:
  - "export DISPLAY=:99.0"
  - "sh -e /etc/init.d/xvfb start"
  - sleep 3 # give xvfb some time to start  
script:
  - npm test
cache:
  directories:
    - node_modules
notifications:
  email: false