/** Return code from the RPC operation */
    protected int returnCode = ERROR_SUCCESS;
    private int opnum;

    /**
     * Creates a new witness RPC message with the specified operation number.
     *
     * @param opnum the operation number for this message
     */
    protected WitnessRpcMessage(int opnum) {
        ptype = 0; // REQUEST
        flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
        this.opnum = opnum;

import jcifs.smb1.dcerpc.ndr.NdrObject;

/**
 * Abstract base class for DCERPC messages.
 * This class provides common functionality for all DCE/RPC message types in SMB1 protocol.
 */
public abstract class DcerpcMessage extends NdrObject implements DcerpcConstants {

    /**
     * Default constructor for DcerpcMessage.
     * Initializes the DCE/RPC message structure for SMB1 protocol.
     */
    protected DcerpcMessage() {

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb1.ServerMessageBlock;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.FileEntry;

/**
 * Base class for SMB1 transaction response messages.
 * This abstract class handles the common functionality for all SMB1 transaction responses,
 * including parameter and data buffer management, multi-part responses, and enumeration support.
 */

    /* These aren't really used by jCIFS -- the map above is used
     * to immediately map to NTSTATUS codes.
     */
    /**
     * Human-readable error messages corresponding to DOS error codes.
     * Array of descriptive strings for each DOS error condition.
     */
    String[] DOS_ERROR_MESSAGES = { "The operation completed successfully.", "Incorrect function.", "Incorrect function.",

        session.transport(); // initialise transport

        // Mock the sessionSetup behavior to avoid actual network calls
        // The sessionSetup method would normally send authentication messages
        // Only mark the sessionSetup response as received, not the actual request/response
        doAnswer(invocation -> {
            ServerMessageBlock request = invocation.getArgument(0);

    }

    /**
     * Get the message string for an NT STATUS code
     *
     * @param errcode the NT STATUS error code
     * @return message for NT STATUS code
     */
    public static String getMessageByCode(final int errcode) {
        String message = errorCodeMessages.get(errcode);
        if (message == null) {
            message = "0x" + Hexdump.toHexString(errcode, 8);
        }

        }

        @Test
        @DisplayName("Should create exception with message")
        void testConstructorWithMessage() {
            String message = "Test error message";
            TransportException exception = new TransportException(message);

            assertNotNull(exception);
            assertEquals(message, exception.getMessage());
            assertNull(exception.getRootCause());
        }

        return context;
    }

    /**
     * Updates the preauth integrity hash with a new message.
     *
     * @param sessionId the session identifier
     * @param messageData the message data to include in hash
     * @throws CIFSException if update fails
     */
    public void updatePreauthHash(String sessionId, byte[] messageData) throws CIFSException {

            NT_STATUS_IO_REPARSE_TAG_NOT_HANDLED, NT_STATUS_NO_MORE_FILES, };

    /** Array of human-readable messages corresponding to NT_STATUS_CODES */
    String[] NT_STATUS_MESSAGES = { "The operation completed successfully.", "Request is pending",

                    "Should return correct message for error 1");
            assertEquals("DCERPC_BIND_ERR_PROPOSED_TRANSFER_SYNTAXES_NOT_SUPPORTED", getResultMessageMethod.invoke(null, 2),
                    "Should return correct message for error 2");
            assertEquals("DCERPC_BIND_ERR_LOCAL_LIMIT_EXCEEDED", getResultMessageMethod.invoke(null, 3),
                    "Should return correct message for error 3");
        }

        @Test