*/
    public static class PreauthIntegrityContext {
        private final byte[] salt;
        private final int hashAlgorithm;
        private volatile byte[] currentHash;
        private volatile boolean isValid;
        private final Object hashLock = new Object();

        public PreauthIntegrityContext(byte[] salt, int hashAlgorithm) {

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import jcifs.CIFSException;
import jcifs.smb.PreauthIntegrityService.PreauthIntegrityContext;

/**
 * Comprehensive tests for enhanced pre-authentication integrity service.
 */
public class PreauthIntegrityServiceTest {

    private PreauthIntegrityService preauthService;