}


    public boolean isJava5() {
        return this == VERSION_1_5;
    }

    public boolean isJava6() {
        return this == VERSION_1_6;
    }

    public boolean isJava7() {
        return this == VERSION_1_7;
    }

    public boolean isJava8() {
        return this == VERSION_1_8;
    }

    public boolean isJava9() {
        return this == VERSION_1_9;
    }

        expect:
        JavaVersion.current() == current
        JavaVersion.current().java6 == isJava6
        JavaVersion.current().java7 == isJava7
        JavaVersion.current().java8 == isJava8
        JavaVersion.current().java9 == isJava9
        JavaVersion.current().java10 == isJava10
        JavaVersion.current().java11 == isJava11
        JavaVersion.current().java12 == isJava12

    def downloader

    def setup() {
        installRoot = Files.createTempDirectory(tmpDir.toPath(), null).toFile()
        downloader = new MavenInstallationDownloader(installRoot)
        if (JavaVersion.current().isJava7()) {
            System.setProperty("https.protocols", "TLSv1.2")
        }
    }

    def "can download Maven distribution with version #mavenVersion"() {
        when:
        def install
        try {

        }
        return stackTrace;
    }

    @SuppressWarnings("Since15")
    private static List<? extends Throwable> extractSuppressed(Throwable throwable) {
        if (isJava7()) {
            return Arrays.asList(throwable.getSuppressed());
        }
        return Collections.emptyList();
    }

    @SuppressWarnings("MixedMutabilityReturnType")

    System.setProperty("user.name", "-this-is-definitely-not-the-username-we-are-running-as//?");
    try {
      TempFileCreator.testMakingUserPermissionsFromScratch();
      assertThat(isJava8()).isFalse();
    } catch (IOException expectedIfJava8) {
      assertThat(isJava8()).isTrue();
    } finally {
      System.setProperty("user.name", save);
    }
  }

  private static boolean isAndroid() {

    System.setProperty("user.name", "-this-is-definitely-not-the-username-we-are-running-as//?");
    try {
      TempFileCreator.testMakingUserPermissionsFromScratch();
      assertThat(isJava8()).isFalse();
    } catch (IOException expectedIfJava8) {
      assertThat(isJava8()).isTrue();
    } finally {
      System.setProperty("user.name", save);
    }
  }

  private static boolean isAndroid() {

apply plugin: "groovy"

repositories {
    mavenCentral()
}

compileGroovy {
    if (JavaVersion.current().isJava9()) {
        options.compilerArgs += ['--add-modules', 'javafx.graphics']
        groovyOptions.forkOptions.jvmArgs += ['--add-modules', 'javafx.graphics']
    }

                    assert getClass().getClassLoader() == Thread.currentThread().getContextClassLoader();

                    boolean isJava9 = Boolean.parseBoolean(System.getProperty("isJava9"));

                    List<String> classpath;
                    if (isJava9) {
                        classpath = Arrays.stream(System.getProperty("java.class.path").split(Pattern.quote(File.pathSeparator)))

                    boolean isJava9 = Boolean.parseBoolean(System.getProperty("isJava9"));
                    String[] splitTestRuntimeClasspath = splitClasspath(System.getProperty("testRuntimeClasspath"));
                    if (isJava9) {
                        String[] splitCliClasspath = splitClasspath(System.getProperty("java.class.path"));

                }
            }
        """

        when:
        def ideaProject = loadIdeaProjectModel()

        then:

        ideaProject.javaLanguageSettings.languageLevel.isJava5()
        // modules
        ideaProject.modules.find { it.name == 'root' }.javaLanguageSettings == null
        ideaProject.modules.find { it.name == 'child1' }.javaLanguageSettings == null