.travis.yml

language: java
dist: trusty
sudo: false
# see https://sormuras.github.io/blog/2018-03-20-jdk-matrix.html
matrix:
  include:
    # 8
    - env: JDK='OpenJDK 8'
      jdk: openjdk8
    # 11
    - env: JDK='OpenJDK 11'
      # switch to JDK 11 before running tests
      before_script: . $TRAVIS_BUILD_DIR/ci/install-jdk.sh -F 11 -L GPL
before_install:
  # Require JDK8 for compiling
  - jdk_switcher use openjdk8
  - ./install-snapshots.sh
install: mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V
script: mvn test -Djacoco.skip=true -B -V
cache:
  directories:
    - $HOME/.m2