assertTrue(messageBytes.length >= 12);
        // Message type should be 3 (little endian)
        assertEquals(3, messageBytes[8] & 0xFF);
        assertEquals(0, messageBytes[9] & 0xFF);
        assertEquals(0, messageBytes[10] & 0xFF);
        assertEquals(0, messageBytes[11] & 0xFF);
    }

    @Test
    @DisplayName("Should generate LM and NTLM responses")
    void testLMAndNTLMResponses() throws Exception {

  static int load32(byte[] source, int offset) {
    // TODO(user): Measure the benefit of delegating this to LittleEndianBytes also.
    return (source[offset] & 0xFF)
        | ((source[offset + 1] & 0xFF) << 8)
        | ((source[offset + 2] & 0xFF) << 16)
        | ((source[offset + 3] & 0xFF) << 24);
  }

  /**
   * Indicates that the load and store operations will be very efficient because of use of VarHandle

            int length = testBlock.encode(buffer, 0);

            assertTrue(length > 0);
            assertEquals(length, testBlock.getLength());
            // SMB_HEADER is {0xFF, 'S', 'M', 'B'}
            byte[] expectedHeader = { (byte) 0xFF, (byte) 'S', (byte) 'M', (byte) 'B' };
            assertArrayEquals(expectedHeader, java.util.Arrays.copyOfRange(buffer, 0, 4));
            assertEquals(0, buffer[SmbConstants.CMD_OFFSET]);

    }

    @Test
    @DisplayName("Should handle edge case with all 0xFF session key")
    void testDeriveKeys_AllFFSessionKey() {
        // Given
        byte[] ffSessionKey = new byte[16];
        Arrays.fill(ffSessionKey, (byte) 0xFF);
        int dialect = Smb2Constants.SMB2_DIALECT_0311;

        // When

        assertEquals(0, response.getCommand());

        // Verify we can change the subcommand
        response.setSubCommand((byte) 0xFF);
        assertEquals((byte) 0xFF, response.getSubCommand());

        // But creating a new instance should have the correct subcommand
        Trans2SetFileInformationResponse newResponse = new Trans2SetFileInformationResponse(config);

    }

    @Test
    @DisplayName("setFileId should update file ID")
    void testSetFileId() throws Exception {
        byte[] newFileId = new byte[16];
        Arrays.fill(newFileId, (byte) 0xFF);

        request.setFileId(newFileId);

        Field fileIdField = Smb2FlushRequest.class.getDeclaredField("fileId");
        fileIdField.setAccessible(true);

            e.name = readString(buffer, bufferIndex, 16, false);
            bufferIndex += 16;
            e.versionMajor = buffer[bufferIndex] & 0xFF;
            bufferIndex++;
            e.versionMinor = buffer[bufferIndex++] & 0xFF;
            e.type = readInt4(buffer, bufferIndex);
            bufferIndex += 4;
            int off = readInt4(buffer, bufferIndex);
            bufferIndex += 4;

            uuid.clock_seq_hi_and_reserved = (byte) 0x11;
            uuid.clock_seq_low = (byte) 0x22;
            uuid.node = new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC, (byte) 0xDD, (byte) 0xEE, (byte) 0xFF };

            // Mock the derive method to return a buffer for node encoding
            when(mockNdrBuffer.derive(anyInt())).thenReturn(mockNdrBuffer);

            // When: Encoding the UUID

        InetAddress inetAddr = InetAddress.getByName("192.168.1.100");
        byte[] addrBytes = inetAddr.getAddress();
        mockQueryAddress.address =
                ((addrBytes[0] & 0xFF) << 24) | ((addrBytes[1] & 0xFF) << 16) | ((addrBytes[2] & 0xFF) << 8) | (addrBytes[3] & 0xFF);

        // Create NodeStatusResponse instance
        response = new NodeStatusResponse(mockConfig, mockQueryAddress);
    }

    @Test

        for (int i = 0; i < dst.length; i++) {
            dst[i] = (byte) (i & 0xFF);
        }

        int startIndex = 5;
        int bytesWritten = notifyChange.writeSetupWireFormat(dst, startIndex);

        // Check that bytes before startIndex are unchanged
        for (int i = 0; i < startIndex; i++) {
            assertEquals((byte) (i & 0xFF), dst[i]);
        }