@Nested
    @DisplayName("Inheritance Tests")
    class InheritanceTests {

        @Test
        @DisplayName("DcerpcBind should extend DcerpcMessage")
        void testInheritance() {
            // Then
            assertTrue(bind instanceof DcerpcMessage, "Should extend DcerpcMessage");
            assertTrue(bind instanceof jcifs.dcerpc.ndr.NdrObject, "Should extend NdrObject");

package jcifs.smb1.dcerpc.msrpc;

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

/**
 * Server Service RPC interface implementation for remote server administration (SMB1).
 */
public class srvsvc {

    /**
     * Private constructor to prevent instantiation.
     */
    private srvsvc() {
    }

    /**

            doNothing().when(spyHandle).sendrecv(any(DcerpcMessage.class));

            // When: Binding the handle
            spyHandle.bind();

            // Then: Should call sendrecv with bind message
            verify(spyHandle).sendrecv(any(DcerpcMessage.class));
        }

        @Test
        @DisplayName("Should propagate IOException during bind")

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;
            }
        }

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;
import jcifs.dcerpc.ndr.NdrSmall;

/**
 * LSA RPC (Local Security Authority Remote Procedure Call) interface definitions.
 * This class provides data structures and constants for interacting with the

package jcifs.dcerpc.msrpc;

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

/**
 * Server Service RPC interface implementation for remote server administration
 */
@SuppressWarnings("all")
public class srvsvc {

    /**
     * Private constructor to prevent instantiation.
     */
    private srvsvc() {
    }

    /**

import jcifs.dcerpc.ndr.NdrException;

@ExtendWith(MockitoExtension.class)
@DisplayName("DcerpcMessage Tests")
class DcerpcMessageTest {

    @Mock
    private NdrBuffer mockBuffer;

    private TestDcerpcMessage message;

    // Concrete implementation for testing abstract DcerpcMessage
    private static class TestDcerpcMessage extends DcerpcMessage {
        private int opnumValue;

        public TestDcerpcMessage(int opnumValue) {

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;
import jcifs.smb1.dcerpc.ndr.NdrSmall;

/**
 * LSA RPC (Local Security Authority Remote Procedure Call) definitions.
 * Provides interface definitions and data structures for LSA RPC operations.
 */
public class lsarpc {