language: java
sudo: required
dist: trusty
#group: edge

script:
  - ./gradlew check
cache:
  directories:
  - $HOME/.gradle

before_install:
  - export GRADLE_OPTS=-Xmx1024m

matrix:
  include:
# JDK 7 no longer supported by Gradle 6+
#    - jdk: openjdk7
    - jdk: oraclejdk8 # JDK 1.8.0_131-b11
    - jdk: oraclejdk9

# Don't let Travis CI execute './gradlew assemble' by default
# From https://github.com/reactive-streams/reactive-streams-jvm/pull/383
install:
# Display Gradle, JVM and other versions
  - ./gradlew -version

env:
  global:
  - TERM=dumb
  - DEFAULT_TIMEOUT_MILLIS=300
  - DEFAULT_NO_SIGNALS_TIMEOUT_MILLIS=200
  - PUBLISHER_REFERENCE_GC_TIMEOUT_MILLIS=300
addons: # Fix OpenJDK build. Issue: https://github.com/travis-ci/travis-ci/issues/5227 & https://docs.travis-ci.com/user/hostname
  hostname: rs-jvm