select(
            "testJavaVendor",
            JvmVendor.openjdk.name,
            display = ParameterDisplay.PROMPT,
            description = "The java vendor to run the performance tests",
            options = JvmVendor.values().map { it.displayName to it.name }
        )

    extends AtomicReference<@Nullable Runnable> implements Runnable {
  static {
    // Prevent rare disastrous classloading in first call to LockSupport.park.
    // See: https://bugs.openjdk.java.net/browse/JDK-8074773
    @SuppressWarnings("unused")
    Class<?> ensureLoaded = LockSupport.class;
  }

  private static final class DoNothingRunnable implements Runnable {
    @Override

            allowEmpty = false,
            description = "Java version to run the test with"
        )
        select(
            testJvmVendorParameter,
            JvmVendor.openjdk.name,
            display = ParameterDisplay.PROMPT,
            description = "Java vendor to run the test with",
            options = JvmVendor.values().map { it.displayName to it.name }
        )
        text(

        given:
        def supplier = createSupplier(OperatingSystem.MAC_OS)

        when:
        supplier.get()

        then:
        0 * registry._
    }

    def "finds openjdk homes"() {
        given:
        registry.getSubkeys(WindowsRegistry.Key.HKEY_LOCAL_MACHINE, "SOFTWARE\\AdoptOpenJDK\\JDK") >> [
            "8.0",
            "9.0-abc"
        ]

import org.conscrypt.Conscrypt
import org.conscrypt.ConscryptHostnameVerifier

/**
 * Platform using Conscrypt (conscrypt.org) if installed as the first Security Provider.
 *
 * Requires org.conscrypt:conscrypt-openjdk-uber >= 2.1.0 on the classpath.
 */
class ConscryptPlatform private constructor() : Platform() {
  private val provider: Provider = Conscrypt.newProvider()

        then:
        symlink.isSymlink(new File(testDirectory, 'testDir'))

        cleanup:
        // Need to delete the junction point manually because it's not supported by JDK
        // See: https://bugs.openjdk.java.net/browse/JDK-8069345
        new File(testDirectory, 'testDir').delete()
    }

    private static List<File> listSymlinkTestFiles() {

  @GwtIncompatible // NullPointerTester
  public void testNulls() throws NoSuchMethodException {
    NullPointerTester tester = new NullPointerTester();
    // Necessary until JDK15:
    // https://bugs.openjdk.org/browse/JDK-8202469
    tester.ignore(Equivalence.class.getMethod("wrap", Object.class));

    tester.testAllPublicStaticMethods(Equivalence.class);
    tester.testAllPublicInstanceMethods(Equivalence.equals());

        // Some Java 8 versions on Unix only capture the seconds in lastModified, so we cut off the milliseconds returned from the filesystem as well.
        // For example, Oracle JDK 1.8.0_181-b13 does not capture milliseconds, while OpenJDK 1.8.0_242-b08 does.
        return (JavaVersion.current().java9Compatible || OperatingSystem.current().windows)
            ? lastModified
            : lastModified.intdiv(1000) * 1000
    }

    </dependency>
    <dependency>
      <groupId>org.hamcrest</groupId>
      <artifactId>hamcrest</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.openjdk.jmh</groupId>
      <artifactId>jmh-core</artifactId>
      <version>1.37</version>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <plugin>

package org.gradle.api;

import org.gradle.api.internal.jvm.JavaVersionParser;

/**
 * An enumeration of Java versions.
 * Before 9: http://www.oracle.com/technetwork/java/javase/versioning-naming-139433.html
 * 9+: http://openjdk.java.net/jeps/223
 */
public enum JavaVersion {
    VERSION_1_1, VERSION_1_2, VERSION_1_3, VERSION_1_4,
    VERSION_1_5, VERSION_1_6, VERSION_1_7, VERSION_1_8,
    VERSION_1_9, VERSION_1_10,
    /**