* 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() {
        // Default constructor
    }

    /**
     * The packet type of this DCERPC message
     */

 * This class provides common functionality for all DCE/RPC message types.
 */
public abstract class DcerpcMessage extends NdrObject implements DcerpcConstants {

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

    /**
     * The packet type of this DCERPC message
     */

        // Then
        assertTrue(msrpcSamrConnect2 instanceof samr.SamrConnect2, "Should be an instance of samr.SamrConnect2");
        assertTrue(msrpcSamrConnect2 instanceof DcerpcMessage, "Should be an instance of DcerpcMessage");
    }

    @Test
    @DisplayName("Should have correct opnum from parent class")
    void shouldHaveCorrectOpnum() {
        // When

            // Assert - verify inheritance chain
            assertTrue(msg instanceof samr.SamrConnect2, "Should extend SamrConnect2");
            assertTrue(msg instanceof DcerpcMessage, "Should extend DcerpcMessage");
            assertTrue(msg instanceof NdrObject, "Should extend NdrObject");
        }

        @Test
        @DisplayName("should inherit getOpnum method")
        void testGetOpnumMethod() {

package jcifs.dcerpc.msrpc;

import jcifs.dcerpc.DcerpcMessage;
import jcifs.dcerpc.rpc;
import jcifs.dcerpc.ndr.NdrBuffer;
import jcifs.dcerpc.ndr.NdrException;
import jcifs.dcerpc.ndr.NdrObject;

/**
 * Security Account Manager Remote (SAMR) protocol implementation.
 * This class provides DCE/RPC interface for SAM database operations including
 * user account management, group operations, and domain security functions.
 */

package jcifs.smb1.dcerpc.msrpc;

import jcifs.smb1.dcerpc.DcerpcMessage;
import jcifs.smb1.dcerpc.rpc;
import jcifs.smb1.dcerpc.ndr.NdrBuffer;
import jcifs.smb1.dcerpc.ndr.NdrException;
import jcifs.smb1.dcerpc.ndr.NdrObject;

/**
 * Security Account Manager Remote (SAMR) protocol implementation for SMB1.
 * This class provides DCE/RPC interface for SAM database operations including

     */
    public void bind() throws DcerpcException, IOException {
        synchronized (this) {
            try {
                this.state = 1;
                final DcerpcMessage bind = new DcerpcBind(this.binding, this);
                sendrecv(bind);
            } catch (final IOException ioe) {
                this.state = 0;
                throw ioe;
            }
        }

        Field ptypeField = DcerpcMessage.class.getDeclaredField("ptype");
        ptypeField.setAccessible(true);
        int ptypeValue = (int) ptypeField.get(request);
        assertEquals(0, ptypeValue, "The 'ptype' field should be initialized to 0.");

        Field flagsField = DcerpcMessage.class.getDeclaredField("flags");
        flagsField.setAccessible(true);

import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.Test;

import jcifs.smb1.dcerpc.ndr.NdrBuffer;
import jcifs.smb1.dcerpc.ndr.NdrException;

/**
 * Unit tests for {@link DcerpcMessage}. The tests exercise flag handling,
 * result extraction, header encoding/decoding, and the round-trip of an
 * encode/decode operation.
 */
public class DcerpcMessageTest {

    /**

 */
package jcifs.internal.witness;

import jcifs.dcerpc.DcerpcMessage;
import jcifs.dcerpc.ndr.NdrBuffer;
import jcifs.dcerpc.ndr.NdrException;

/**
 * Base class for SMB Witness Protocol RPC messages as defined in MS-SWN specification.
 * This class extends DcerpcMessage to provide witness-specific RPC operations.
 */
public abstract class WitnessRpcMessage extends DcerpcMessage {

    // MS-SWN Witness Protocol Interface UUID and Version