index += 8;
        if (msg.getCommand() == ServerMessageBlock.SMB_COM_READ_ANDX) {
            /*
             * SmbComReadAndXResponse reads directly from the stream into separate byte[] b.
             */
            final SmbComReadAndXResponse raxr = (SmbComReadAndXResponse) msg;
            final int length = msg.getLength() - raxr.getDataLength();

    }

    @Test
    @DisplayName("Test verify method with SmbComReadAndXResponse")
    void testVerifyWithReadAndXResponse() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[100];
        byte[] readData = new byte[50];

        SmbComReadAndXResponse readResponse = mock(SmbComReadAndXResponse.class);

        // ensure file is open
        if (!file.isOpen()) {
            file.open(openFlags, 0, SmbFile.ATTR_NORMAL, options);
        }

        int r, n;
        final SmbComReadAndXResponse response = new SmbComReadAndXResponse(b, off);
        do {
            r = len > readSize ? readSize : len;
            file.send(new SmbComReadAndX(file.fid, fp, r, null), response);
            n = response.dataLength;

        }
        final long start = this.fp;

        try (SmbFileHandleImpl fh = ensureOpen(); SmbTreeHandleImpl th = fh.getTree()) {

            int r, n;
            final SmbComReadAndXResponse response = new SmbComReadAndXResponse(th.getConfig(), b, off);
            do {
                r = len > this.readSize ? this.readSize : len;

                if (th.isSMB2()) {

            final int effectiveBlockSize = Math.max(blockSize, optimizedBlockSize);

            SmbComReadAndXResponse response = null;
            if (!th.isSMB2()) {
                response = new SmbComReadAndXResponse(th.getConfig(), b, off);
            }

            do {
                r = len > effectiveBlockSize ? effectiveBlockSize : len;

            if (resp.command == ServerMessageBlock.SMB_COM_READ_ANDX && (errorCode == 0 || errorCode == 0x80000005)) { // overflow indicator normal for pipe
                final SmbComReadAndXResponse r = (SmbComReadAndXResponse) resp;
                int off = HEADER_LENGTH;
                /* WordCount thru dataOffset always 27 */
                readn(in, BUF, 4 + off, 27);
                off += 27;