activation.getLocation("jdk"));
            return false;
        }
        try {
            return isJavaVersionCompatible(jdk, version);
        } catch (NumberFormatException e) {
            problems.add(
                    BuilderProblem.Severity.WARNING,
                    ModelProblem.Version.BASE,

                    .setLocation(activation.getLocation("jdk")));
            return false;
        }
        try {
            return isJavaVersionCompatible(jdk, version);
        } catch (NumberFormatException e) {
            problems.add(new ModelProblemCollectorRequest(Severity.WARNING, Version.BASE)
                    .setMessage("Failed to determine JDK activation for profile " + profile.getId()

        Assume.assumeTrue(GroovyCoverage.supportsJavaVersion("$versionNumber", javaVersion))
        def jdk = AvailableJavaHomes.getJdk(javaVersion)
        Assume.assumeTrue(jdk != null)

        configureJavaPluginToolchainVersion(jdk)

        buildFile << """
            dependencies {
                testImplementation "org.spockframework:spock-core:${getSpockVersion(versionNumber)}"

    </provides>
    <configuration/>
  </toolchain>

   | JDK examples

  <toolchain>
    <type>jdk</type>
    <provides>
      <version>1.5</version>
      <vendor>sun</vendor>
    </provides>
    <configuration>
      <jdkHome>/path/to/jdk/1.5</jdkHome>
    </configuration>
  </toolchain>
  <toolchain>
    <type>jdk</type>
    <provides>
      <version>1.6</version>
      <vendor>sun</vendor>

Map runITsTasks = [:]
for (String os in runITsOses) {
    for (def jdk in runITsJdks) {
        String osLabel = jenkinsEnv.labelForOS(os);
        String jdkName = jenkinsEnv.jdkFromVersion(os, "${jdk}")
        String mvnName = jenkinsEnv.mvnFromVersion(os, "${runITsMvn}")
        echo "OS: ${os} JDK: ${jdk} => Label: ${osLabel} JDK: ${jdkName}"

        String stageId = "${os}-jdk${jdk}"
        String stageLabel = "Run ITs ${os.capitalize()} Java ${jdk}"

  @BeforeEach
  fun setUp(server: MockWebServer) {
    this.server = server

    // Default after JDK 14, but we are avoiding tests that assume special setup.
    // System.setProperty("jdk.tls.client.enableSessionTicketExtension", "true")
    // System.setProperty("jdk.tls.server.enableSessionTicketExtension", "true")

    platform.assumeJdk9()
  }

  @Test
  fun testTlsv13Works() {

    }

    def "clean destination folder when downloading toolchain"() {
        when: "build runs and doesn't have a local JDK to use for compilation"
        result = executer
                .withTasks("compileJava", "-Porg.gradle.java.installations.auto-detect=false")
                .run()

        then: "suitable JDK gets auto-provisioned"
        javaClassFile("Foo.class").assertExists()
        assertJdkWasDownloaded()

        def jdk7 = new File("/Library/Java/JavaVirtualMachines/jdk1.7.0_17.jdk/Contents/Home")
        def jdk8 = new File("/Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home")
        def jdk9 = new File("/Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home")
        osxJavaHomeCommand.findJavaHomes() >> [jdk7, jdk8, jdk9]

        when:
        def directories = supplier.get()

    </modules>
  </component>
  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_6" assert-keyword="true" jdk-15="true" project-jdk-type="JavaSDK" assert-jdk-15="true" project-jdk-name="1.6">
    <output url="file://$PROJECT_DIR$/out"/>
  </component>
  <component name="SvnBranchConfigurationManager">
    <option name="mySupportsUserInfoFilter" value="true"/>

    </modules>
  </component>
  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_5" assert-keyword="true" jdk-15="true" project-jdk-type="JavaSDK" assert-jdk-15="true" project-jdk-name="1.7">
    <output url="file://$PROJECT_DIR$/out"/>
  </component>
  <component name="SvnBranchConfigurationManager">
    <option name="mySupportsUserInfoFilter" value="true"/>