JavaVersion.current().java10 == isJava10
        JavaVersion.current().java11 == isJava11
        JavaVersion.current().java12 == isJava12

        and:
        JavaVersion.current().java6Compatible == isJava6Compatible
        JavaVersion.current().java7Compatible == isJava7Compatible
        JavaVersion.current().java8Compatible == isJava8Compatible
        JavaVersion.current().java9Compatible == isJava9Compatible

     */
    public boolean isJava12() {
        return this == VERSION_12;
    }

    public boolean isJava5Compatible() {
        return isCompatibleWith(VERSION_1_5);
    }

    public boolean isJava6Compatible() {
        return isCompatibleWith(VERSION_1_6);
    }

    public boolean isJava7Compatible() {
        return isCompatibleWith(VERSION_1_7);
    }

    public boolean isJava8Compatible() {

            return Collections.emptySet();
        }
    }

    @Override
    @TaskAction
    public void executeTests() {
        JavaVersion javaVersion = getJavaVersion();
        if (!javaVersion.isJava6Compatible()) {
            throw new UnsupportedJavaRuntimeException("Support for test execution using Java 5 or earlier was removed in Gradle 3.0.");
        }
        if (!javaVersion.isJava8Compatible()) {