}

    private UpgradeContext createMockContext() {
        return TestUtils.createMockContext();
    }

    @Nested
    @DisplayName("Modification Behavior")
    class ModificationBehaviorTests {

        @Test
        @DisplayName("should not save modifications to disk")
        void shouldNotSaveModificationsToDisk() {

    }

    @Test
    @DisplayName("Constructor should handle null parent")
    void testConstructor_NullParent_ThrowsNPE() {
        // When & Then: Null parent should cause NullPointerException
        assertThrows(NullPointerException.class, () -> new NetServerEnumIterator(null, treeHandle, "*", 0, null));
    }

    @Test
    @DisplayName("Constructor should handle null tree handle")

 */
@DisplayName("CIFSUnsupportedCryptoException Tests")
class CIFSUnsupportedCryptoExceptionTest extends BaseTest {

    private static final String CRYPTO_ERROR_MESSAGE = "Unsupported cryptographic algorithm: AES-256-GCM";
    private static final String ALGORITHM_NAME = "AES-256-GCM";

    @Test
    @DisplayName("Default constructor should create exception with null message and cause")

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

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

import jcifs.CIFSException;

/**
 * Test class for TransportException
 */
public class TransportExceptionTest {

    @Test
    @DisplayName("Test default constructor creates exception with null message")
    public void testDefaultConstructor() {

    }

    @Test
    @DisplayName("ensureOpen throws after close() is called")
    void testEnsureOpenAfterClose() throws CIFSException {
        target.close();
        CIFSException ex = assertThrows(SmbException.class, () -> target.ensureOpen());
        assertTrue(ex.getMessage().contains("Pipe handle already closed"));
    }

    @Test

    }

    @Test
    @DisplayName("isIPC is true for IPC$ or no share")
    void testIsIpc() {
        assertTrue(locator("smb://server/IPC$/").isIPC());
        assertTrue(locator("smb://server/").isIPC());
        assertFalse(locator("smb://server/share/").isIPC());
    }

    @Test
    @DisplayName("Type detection covers filesystem/share/IPC/workgroup/server")

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

import java.lang.reflect.Field;

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

import jcifs.dcerpc.DcerpcConstants;
import jcifs.dcerpc.msrpc.MsrpcDfsRootEnum;
import jcifs.dcerpc.msrpc.netdfs;
import jcifs.internal.smb1.net.SmbShareInfo;

    private static final int LOCAL_PORT = 12345;

    @BeforeEach
    void setUp() {
        // Common setup for all tests
    }

    @Nested
    @DisplayName("GetSmbTransport Methods")
    class GetSmbTransportTests {

        @Test
        @DisplayName("Should get transport by name with default parameters")
        void testGetSmbTransportByName() throws UnknownHostException, IOException {
            // Given

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

/**
 * Test class for CloseableIterator interface functionality
 */
@DisplayName("CloseableIterator Tests")
class CloseableIteratorTest extends BaseTest {

    @Mock
    private CloseableIterator<SmbResource> mockIterator;

    @Test
    @DisplayName("Should define close method")

 */
@ExtendWith(MockitoExtension.class)
@DisplayName("PreauthIntegrityNegotiateContext Tests")
class PreauthIntegrityNegotiateContextTest {

    @Mock
    private Configuration mockConfig;

    private static final int BUFFER_SIZE = 1024;
    private byte[] buffer;

    @BeforeEach
    void setUp() {
        buffer = new byte[BUFFER_SIZE];
    }

    @Nested
    @DisplayName("Constructor Tests")