assertArrayEquals(testKey.getKey(), encodedKey);

        // Verify lease state at offset 40 (24 + 16 for key)
        assertEquals(testState, SMBUtil.readInt4(buffer, 40));

        // Verify lease flags at offset 44 (40 + 4 for state)
        assertEquals(0, SMBUtil.readInt4(buffer, 44));

        // Verify lease duration at offset 48 (44 + 4 for flags) - should be 0 (reserved)

        // Cache should be invalidated
        assertFalse(cacheEntry.isComplete());

        // Step 9: Test lease break
        // Re-populate cache
        directoryLeaseManager.updateDirectoryCache(directoryPath, files);
        assertTrue(cacheEntry.isComplete());

        // Simulate lease break with loss of read cache
        directoryLeaseManager.handleDirectoryLeaseBreak(leaseKey, Smb2LeaseState.SMB2_LEASE_HANDLE_CACHING);

- **MS-SMB2 Section 2.2.36**: SMB2 Change Notify Response
- **MS-SMB2 Section 3.3.5.9.11**: Directory Leasing and Caching

## 3. Directory Lease Types

### 3.1 Directory-Specific Lease States
```java
public class DirectoryLeaseState extends Smb2LeaseState {
    // Standard lease states apply, plus directory-specific semantics:
    
    // READ_CACHING for directories means:
    // - Can cache directory enumeration results

         * @return the directory path
         */
        public String getDirectoryPath() {
            return directoryPath;
        }

        /**
         * Gets the lease key associated with this notification handle
         * @return the lease key
         */
        public Smb2LeaseKey getLeaseKey() {
            return leaseKey;
        }

        /**

     * @return the directory path
     */
    public String getDirectoryPath() {
        return directoryPath;
    }

    /**
     * Gets the lease key associated with this directory cache
     * @return the lease key
     */
    public Smb2LeaseKey getLeaseKey() {
        return leaseKey;
    }

    /**
     * Checks if the complete directory enumeration has been cached

     */
    private final long createTime;

    /**
     * The timestamp of the last access to this handle
     */
    private volatile long lastAccessTime;

    /**
     * The associated lease key if this handle has an SMB2 lease
     */
    private final Smb2LeaseKey leaseKey;

    /**
     * Flag indicating whether this handle is currently being reconnected
     */
    private volatile boolean reconnecting;

    @Test
    @DisplayName("Should generate random lease key with correct size")
    void testRandomLeaseKeyGeneration() {
        Smb2LeaseKey key = new Smb2LeaseKey();

        assertNotNull(key.getKey());
        assertEquals(16, key.getKey().length);
        assertFalse(key.isZero());
    }

    @Test
    @DisplayName("Should create lease key from byte array")
    void testLeaseKeyFromBytes() {

        entry.markComplete();

        // Break lease with loss of read cache
        int newState = Smb2LeaseState.SMB2_LEASE_HANDLE_CACHING; // Lost read cache
        directoryLeaseManager.handleDirectoryLeaseBreak(leaseKey, newState);

        // Cache should be invalidated
        assertFalse(entry.isComplete());

        // Verify base lease manager was called

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.lease;

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

import org.junit.jupiter.api.Test;

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.lease;

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