@Test
        @DisplayName("Should handle empty buffer encoding")
        void testEmptyBufferEncoding() {
            byte[] buffer = new byte[256];
            testMessage.setBytesWritten(0);
            int len = testMessage.encode(buffer, 0);
            assertTrue(len >= Smb2Constants.SMB2_HEADER_LENGTH);
        }

        @Test
        @DisplayName("Should handle large MID values")

                // Then
                assertEquals(4, bytesRead, "Failed at position " + pos);
            }
        }

        @Test
        @DisplayName("Should handle buffer with exact required size")
        void testReadBytesWireFormatExactBufferSize() throws SMBProtocolDecodingException {
            // Given
            byte[] buffer = new byte[4];

            assertArrayEquals(new int[] { 1, 2 }, context.getHashAlgos());
            assertArrayEquals(new byte[] { 0x0A, 0x0B, 0x0C, 0x0D }, context.getSalt());
        }

        @Test
        @DisplayName("Should handle empty arrays in decode")
        void testDecodeEmptyArrays() throws SMBProtocolDecodingException {
            // Arrange
            context = new PreauthIntegrityNegotiateContext();

            // Lease completely broken - invalidate cache
            entry.invalidate();
        }

        if ((newState & Smb2LeaseState.SMB2_LEASE_HANDLE_CACHING) == 0) {
            // Lost handle cache - may need to close directory handle
            changeNotifier.stopWatching(directoryPath);
        }

        // Forward to base lease manager
        baseLeaseManager.handleLeaseBreak(leaseKey, newState);
    }

            byte[] buffer = new byte[1024];
            int result = echoResponse.writeBytesWireFormat(buffer, 0);
            assertEquals(0, result);
        }

        @Test
        @DisplayName("Should handle different buffer positions")
        void testWriteBytesWireFormatDifferentPositions() {
            byte[] buffer = new byte[1024];

            assertEquals(0, echoResponse.writeBytesWireFormat(buffer, 0));

            assertEquals(0, response.getChunkBytesWritten());
            assertEquals(0, response.getTotalBytesWritten());
        }

        @Test
        @DisplayName("Should handle negative values as unsigned")
        void testDecodeNegativeValuesAsUnsigned() throws SMBProtocolDecodingException {
            byte[] buffer = new byte[12];
            SMBUtil.writeInt4(-1, buffer, 0); // chunksWritten

            NtStatus.NT_STATUS_SHARING_VIOLATION, NtStatus.NT_STATUS_INVALID_PARAMETER })
    @DisplayName("Should handle various NT status codes")
    void testVariousNTStatusCodes(int ntStatus) {
        // When
        SmbException exception = new SmbException(ntStatus, false);

        // Then
        assertNotNull(exception);

        void testConstructorAndOpnum() {
            // When: Creating close handle message
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);

            // Then: Should have correct opnum and handle
            assertEquals(0x01, message.getOpnum());
            assertEquals(mockPolicyHandle, message.handle);
        }

        @Test

    }

    /**
     * Sets the context handle for the async notify request.
     *
     * @param contextHandle the context handle from registration
     */
    public void setContextHandle(byte[] contextHandle) {
        this.contextHandle = contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Gets the context handle.
     *
     * @return the context handle
     */
    public byte[] getContextHandle() {

        System.arraycopy(buffer, bodyOffset + 8, actualPath, 0, pathBytes.length);
        assertArrayEquals(pathBytes, actualPath);
    }

    @Test
    @DisplayName("Should handle chain operation correctly")
    void testChain() {
        // Given
        ServerMessageBlock2 nextMessage = mock(ServerMessageBlock2.class);

        // When
        boolean result = request.chain(nextMessage);