*/
    @Test
    @DisplayName("Pre-auth integrity hash should reset on error")
    void testPreauthHashResetOnError() throws Exception {
        // Setup invalid SMB2 state to trigger error
        setPrivateField(transport, "smb2", false);

        // Try to update preauth hash - should fail and reset
        Method updateMethod = findMethod(transport.getClass(), "updatePreauthHash", byte[].class);

        when(handle.getPipe()).thenReturn(pipe);
        when(tree.isSMB2()).thenReturn(smb2);
        return new SmbPipeInputStream(handle, tree);
    }

    @Test
    @DisplayName("available() on SMB2 returns peeked byte count and interacts with tree")
    void available_smb2_happyPath() throws Exception {

            while (handle.isActive()) {
                try {
                    // Note: Actual SMB2 Change Notify implementation would go here
                    // For now, this is a placeholder that simulates monitoring

                    // In a real implementation, we would:
                    // 1. Send SMB2 Change Notify request
                    // 2. Wait for response
                    // 3. Process changes

import jcifs.internal.smb1.com.SmbComClose;
import jcifs.internal.smb2.create.Smb2CloseRequest;

@ExtendWith(MockitoExtension.class)
class SmbFileHandleImplTest {

    @Mock
    Configuration cfg;

    @Mock
    SmbTreeHandleImpl tree;

    private void stubValidTree(long treeId, boolean connected, boolean smb2) {
        lenient().when(tree.acquire()).thenReturn(tree);

import jcifs.SmbConstants;
import jcifs.SmbResource;
import jcifs.internal.smb2.create.Smb2CloseRequest;
import jcifs.internal.smb2.create.Smb2CreateRequest;
import jcifs.internal.smb2.create.Smb2CreateResponse;
import jcifs.internal.smb2.info.Smb2QueryDirectoryRequest;
import jcifs.internal.smb2.info.Smb2QueryDirectoryResponse;

/**
 * SMB2/SMB3 implementation of directory entry enumeration iterator.

 */
package jcifs.internal.smb2.ioctl;

import jcifs.Configuration;
import jcifs.Decodable;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.dfs.DfsReferralResponseBuffer;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.NtStatus;
import jcifs.smb.SmbException;

/**

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.lock;

import jcifs.Encodable;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Lock data structure.
 *
 * This class represents a single lock element used in
 * SMB2 Lock requests for byte-range locking.
 *
 * @author mbechler
 */
public class Smb2Lock implements Encodable {

    /**

## 2. Protocol Specification Reference

- **MS-SMB2 Section 2.2.13**: SMB2 CREATE Request with Lease Context
- **MS-SMB2 Section 2.2.14**: SMB2 CREATE Response with Lease State
- **MS-SMB2 Section 2.2.23**: SMB2 LEASE_BREAK Notification
- **MS-SMB2 Section 2.2.24**: SMB2 LEASE_BREAK Acknowledgment

## 3. Lease Types and States

### 3.1 Lease State Flags
```java

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.info;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Set Info response message. This response acknowledges the successful
 * modification of file or security information.
 *

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2;

/**
 * Interface for SMB2 requests that require a file ID.
 *
 * This interface is implemented by SMB2 request classes that need
 * to reference a specific file using its file ID.
 *
 * @author mbechler
 */
public interface RequestWithFileId {

    /**