// Try to get a Subject, but handle the case where JAAS may not be configured
        Subject first = orig.getSubject();
        // In test environments, getSubject() may return null if JAAS is not configured
        // This is acceptable behavior - the test should focus on the cloning logic

        // Clone and verify basic fields copied
        JAASAuthenticator copy = (JAASAuthenticator) orig.clone();

import java.util.concurrent.atomic.AtomicInteger;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Credentials;

/**
 * Security-focused test cases for SmbSessionImpl to verify race condition fixes.
 */
public class SmbSessionImplSecurityTest {

    private CIFSContext mockContext;

    }

    @Test
    @DisplayName("Test default constructor creates empty SecurityDescriptor")
    void testDefaultConstructor() {
        SecurityDescriptor sd = new SecurityDescriptor();
        assertEquals(0, sd.getType());
        assertNull(sd.getAces());
        assertNull(sd.getOwnerUserSid());
        assertNull(sd.getOwnerGroupSid());
    }

    @Test

                <div class="row">
                    <div class="col-md-12">
                        <div
                                class="card card-outline <c:if test="${crudMode == 1 || crudMode == 2}">card-success</c:if><c:if test="${crudMode == 3}">card-danger</c:if><c:if test="${crudMode == 4}">card-primary</c:if>">
                            <div class="card-header">

import static org.junit.jupiter.api.Assertions.assertTrue;

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

@DisplayName("Smb2LeaseState Tests")
class Smb2LeaseStateTest {

    @Test
    @DisplayName("Should define correct lease state constants")
    void testLeaseStateConstants() {
        assertEquals(0x00, Smb2LeaseState.SMB2_LEASE_NONE);

import java.io.ObjectOutputStream;

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

import jcifs.BaseTest;
import jcifs.CIFSException;

/**
 * Tests for SpnegoException constructors and behavior.
 */
@DisplayName("SpnegoException Tests")
class SpnegoExceptionTest extends BaseTest {

    @Test
    @DisplayName("Should create SpnegoException with default constructor")
    void testDefaultConstructor() {

import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;

@DisplayName("NbtException Tests")
class NbtExceptionTest {

    @Test
    @DisplayName("getErrorString success returns SUCCESS")
    void testSuccess() {

    }

    @Test
    void testDestroy() {
        // Test that destroy method executes without errors
        assertDoesNotThrow(() -> filter.destroy());
    }

    @Test
    void testDoFilter_noAuthorizationHeader_shouldChallengeClient() throws Exception {
        // Initialize filter first
        initializeFilter();

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.Test;

import jcifs.internal.util.SMBUtil;

/**
 * Unit tests for DirectoryLeaseContext
 */
public class DirectoryLeaseContextTest {

    @Test
    public void testConstructor() {
        Smb2LeaseKey key = new Smb2LeaseKey();

                                class="card card-outline <c:if test="${crudMode == 1 || crudMode == 2}">card-success</c:if><c:if test="${crudMode == 3}">card-danger</c:if><c:if test="${crudMode == 4}">card-primary</c:if>">
                            <div class="card-header">
                                <h3 class="card-title">
                                    <c:if test="${crudMode == 1}">
                                        <la:message