Add windows build env to travis

.travis.yml

@@ -26,6 +26,19 @@ matrix:
       script:
         - 'if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then bash ./macBuild.sh; fi'
         - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then bash ./macBuildAndPublish.sh; fi'
+    - os: windows
+        language: shell
+        jdk: openjdk12
+        env:
+          - GRAVIS="https://raw.githubusercontent.com/DanySK/Gravis-CI/master/"
+          - JAVA_OPTS=-Xmx2g
+          - JDK="adopt-openj9@1.11"
+        before_install:
+          - curl "${GRAVIS}.install-jdk-travis.sh" --output ~/.install-jdk-travis.sh
+          - source ~/.install-jdk-travis.sh
+        script:
+          - 'if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then ./gradlew build -x jvmTest -x jsTest; fi'
+          - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then ./gradlew build -x jvmTest -x jsTest publishMingwx86PublicationToSnapshotRepository publishMingwx64PublicationToSnapshotRepository; fi'
 cache:
   directories:
     - $HOME/.m2/