assertNotNull(request);
            assertEquals(mockConfig, request.getConfig());
            assertEquals(command, request.getCommand());
        }
    }

    @Nested
    @DisplayName("Basic Method Tests")
    class BasicMethodTests {

        @Test
        @DisplayName("ignoreDisconnect should return itself")

        // Then
        assertNotNull(transCallNamedPipe);
        assertEquals(SmbComTransaction.SMB_COM_TRANSACTION, transCallNamedPipe.getCommand());
        assertEquals(SmbComTransaction.TRANS_CALL_NAMED_PIPE, transCallNamedPipe.getSubCommand());
        assertEquals(0xFFFFFFFF, transCallNamedPipe.timeout);
        assertEquals(0, transCallNamedPipe.maxParameterCount);

    void testConstructor() {
        assertNotNull(response);
        // Command is not set in constructor, only after decoding
        assertEquals((short) 0, response.getCommand());
    }

    @Test
    @DisplayName("Test writeBytesWireFormat returns 0")
    void testWriteBytesWireFormat() {
        byte[] dst = new byte[1024];
        int dstIndex = 0;

        trans2QueryPathInfo = new Trans2QueryPathInformation(config, TEST_FILENAME, TEST_INFO_LEVEL);

        assertNotNull(trans2QueryPathInfo);
        assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION2, trans2QueryPathInfo.getCommand());
        assertEquals(SmbComTransaction.TRANS2_QUERY_PATH_INFORMATION, trans2QueryPathInfo.getSubCommand());
    }

    @Test
    void testConstructorWithDifferentInformationLevels() {

        // Arrange
        transPeekNamedPipe = new TransPeekNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_FID);

        // Assert
        assertEquals(SmbComTransaction.SMB_COM_TRANSACTION, transPeekNamedPipe.getCommand());
        assertEquals(SmbComTransaction.TRANS_PEEK_NAMED_PIPE, transPeekNamedPipe.getSubCommand());
    }

    @Test
    @DisplayName("Should handle edge case with zero FID")
    void testZeroFid() {

        assertNotNull(trans2FindNext2);
        assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION2, trans2FindNext2.getCommand());
        assertEquals(SmbComTransaction.TRANS2_FIND_NEXT2, trans2FindNext2.getSubCommand());
        // maxParameterCount, maxDataCount, and maxSetupCount are protected fields

        // When
        smbComRename = new SmbComRename(config, oldFileName, newFileName);

        // Then
        assertEquals(ServerMessageBlock.SMB_COM_RENAME, smbComRename.getCommand());

        // Use reflection to verify private fields
        Field oldFileNameField = SmbComRename.class.getDeclaredField("oldFileName");
        oldFileNameField.setAccessible(true);

        final byte[] sequence = new byte[8];
        SMBUtil.writeInt4(msg.getSignSeq(), sequence, 0);
        update(sequence, 0, sequence.length);
        index += 8;
        if (msg.getCommand() == ServerMessageBlock.SMB_COM_READ_ANDX) {
            /*
             * SmbComReadAndXResponse reads directly from the stream into separate byte[] b.
             */

    private static void checkRequest(final SmbTransportImpl transport, final ServerMessageBlock request, final String svc)
            throws SmbException {
        if (!"A:".equals(svc)) {
            switch (request.getCommand()) {
            case ServerMessageBlock.SMB_COM_OPEN_ANDX:
            case ServerMessageBlock.SMB_COM_NT_CREATE_ANDX:
            case ServerMessageBlock.SMB_COM_READ_ANDX: