@Test
    void testReadDataWireFormat_EmptyBuffer() throws Exception {
        // Test with empty dataCount but decode still processes buffer
        // Note: SmbInfoAllocation.decode() doesn't check len parameter, always reads 20 bytes
        response = new Trans2QueryFSInformationResponse(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        byte[] buffer = new byte[100];
        // Initialize buffer with zeros to avoid random data

         * that chained message. Before doing so we must increment
         * the batchLevel of the andx message in case it itself is an
         * andx message and needs to perform the same check as above.
         */

        andx.batchLevel = batchLevel + 1;

        dst[start + ANDX_COMMAND_OFFSET] = andxCommand;
        dst[start + ANDX_RESERVED_OFFSET] = (byte) 0x00;

 * encode/decode operation.
 */
public class DcerpcMessageTest {

    /**
     * A trivial concrete subclass used for testing. It simply writes a
     * single small value in {@code encode_in} and reads it in
     * {@code decode_out}.
     */
    private static class TestMessage extends DcerpcMessage {
        int decodedValue = 0;

        TestMessage() {
            /* nothing */
        }

 * as a ByteArrayInputStream.
 * </p>
 *
 * <p>
 * The transform method takes a ResponseData object, checks if it has a response body,
 * and then reads the body into a byte array. This byte array is then set as the data
 * in the ResultData object.
 * </p>
 *
 * <p>
 * The getData method takes an AccessResultData object, checks if the transformer name matches,

        assertThrows(SmbEndOfFileException.class, () -> raf.readFully(new byte[4]));
    }

    @Test
    @DisplayName("readFully(): reads across multiple partial reads")
    void readFully_readsAll() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));
        AtomicInteger calls = new AtomicInteger();
        doAnswer(inv -> {

        }
        SMBUtil.writeInt8(this.sessionId, dst, dstIndex + 40);

        return Smb2Constants.SMB2_HEADER_LENGTH;
    }

    /**
     * Reads the SMB2 header from the wire format.
     *
     * @param buffer the buffer to read from
     * @param bufferIndex the starting position in the buffer
     * @return number of bytes read
     */

        buffer[6] = 0;
        buffer[7] = 0;

        return buffer;
    }

    private byte[] createDfsReferralBufferWithMultipleReferrals(int numReferrals) {
        // Each referral structure needs 20 bytes, plus string data
        int referralSize = 20;
        int referralsDataSize = numReferrals * referralSize;

        // Add space for string data for each referral
        String testPath = "\\server\\share";

        default -> false;
        };
    }

    /**
     * Processes and saves an image from the input stream to the output file as a thumbnail.
     *
     * <p>This method reads image data, validates dimensions, applies subsampling and scaling
     * transformations based on configuration settings, and writes the processed thumbnail
     * to the specified output file.</p>
     *

        }
    }

    @Nested
    @DisplayName("readBytesWireFormat")
    class ReadBytesWireFormat {

        @ParameterizedTest
        @ValueSource(ints = { 0, 1, 5, 10 })
        @DisplayName("Reads structure size 4 and returns 4 for various start indexes")
        void returnsFour_whenStructureSizeIsFour(int start) throws Exception {
            // Arrange: build a buffer that has the little-endian value 4 at 'start'

        SMBUtil.writeInt2(0, buffer, 2);

        // When - simulate multiple concurrent reads on same response object
        int read1 = response.readBytesWireFormat(buffer, 0);
        int read2 = response.readBytesWireFormat(buffer, 0);
        int read3 = response.readBytesWireFormat(buffer, 0);

        // Then - all reads should return same result
        assertEquals(4, read1);
        assertEquals(4, read2);