private SleepingRunnable sleeper;
  private Future<Boolean> delayedFuture;

  private final TearDownStack tearDownStack = new TearDownStack();

  @Override
  protected void setUp() {
    ExecutorService executor = newSingleThreadExecutor();
    tearDownStack.addTearDown(executor::shutdownNow);
    sleeper = new SleepingRunnable(1000);
    delayedFuture = executor.submit(sleeper, true);

    private Object readResolve() {
      return new RegularContiguousSet<>(range, domain);
    }
  }

  @GwtIncompatible
  @J2ktIncompatible
    @Override
  Object writeReplace() {
    return new SerializedForm<>(range, domain);
  }

  @GwtIncompatible
  @J2ktIncompatible
    private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");

public class PreauthIntegrityServiceTest {

    private PreauthIntegrityService preauthService;
    private SecureRandom secureRandom;

    @BeforeEach
    public void setUp() {
        secureRandom = new SecureRandom();
        preauthService = new PreauthIntegrityService(secureRandom, PreauthIntegrityService.HASH_ALGO_SHA512, true);
    }

    @AfterEach
    public void tearDown() {
        if (preauthService != null) {

    );
    private static final String JDK_JAR_HELL_MAIN_CLASS = "org.elasticsearch.jdk.JdkJarHellCheck";

    private Set<String> missingClassExcludes = new TreeSet<>();

    private Set<String> violationsExcludes = new TreeSet<>();

    private Set<String> jdkJarHellExcludes = new TreeSet<>();

    private File signatureFile;

    private String javaHome;

    private FileCollection jdkJarHellClasspath;

    List<ParameterNotInstantiableException> paramErrors = new ArrayList<>();
    List<ParameterHasNoDistinctValueException> distinctValueErrors = new ArrayList<>();
    List<InvocationTargetException> instantiationExceptions = new ArrayList<>();
    List<FactoryMethodReturnsNullException> nullErrors = new ArrayList<>();
    // Try factories with the greatest number of parameters.

   */
  private transient int modCount;

  /** Creates a new, empty {@code LinkedListMultimap} with the default initial capacity. */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      LinkedListMultimap<K, V> create() {
    return new LinkedListMultimap<>();
  }

  /**

    this.scenario = scenario;
    this.timeout = timeout;
    this.expectedOutcome = expectedOutcome;
    this.monitor = new Monitor(fair);
    this.guard = new FlagGuard(monitor);
    this.tearDownLatch = new CountDownLatch(1);
    this.doingCallLatch = new CountDownLatch(1);
    this.callCompletedLatch = new CountDownLatch(1);
  }

  private static String nameFor(

    static {
        KRB5_MECH_OID = new ASN1ObjectIdentifier("1.2.840.113554.1.2.2");
        KRB5_MS_MECH_OID = new ASN1ObjectIdentifier("1.2.840.48018.1.2.2");
        SUPPORTED_MECHS = new ASN1ObjectIdentifier[] { KRB5_MECH_OID, KRB5_MS_MECH_OID };

        Oid krbNameOid = null;
        Oid krbMechOid = null;
        try {
            krbNameOid = new Oid("1.2.840.113554.1.2.2.1");

    checkNotNull(file);
    checkNotNull(charset);
    return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), charset));
  }

  /**
   * Returns a new {@link ByteSource} for reading bytes from the given file.
   *
   * @since 14.0
   */
  public static ByteSource asByteSource(File file) {
    return new FileByteSource(file);
  }

  private static final class FileByteSource extends

        ConnectionTimeoutException exception = new ConnectionTimeoutException(message);
        assertEquals(message, exception.getMessage(), "Message should match the provided string");
        assertNull(exception.getCause(), "Cause should be null for string constructor");
    }

    @Test
    void testThrowableConstructor() {
        // Test the constructor with a cause
        Throwable cause = new RuntimeException("Root cause of timeout");