assertNull(ex.getCause(), "Cause should be null by default");
        assertNull(ex.getRootCause(), "Root cause should be null by default");
        assertTrue(ex instanceof SmbException, "Should be an SmbException subtype");
    }

    /**
     * Ensures the exception is thrown and captured via assertThrows with the right message.
     */
    @Test
    void assertThrowsCapturesExceptionAndMessage() {

     *
     * @param file the SMB file to test for inclusion
     * @return true if the file should be included, false otherwise
     * @throws SmbException if an error occurs while accessing the file
     */
    boolean accept(SmbFile file) throws SmbException;

 */

package jcifs.dcerpc.msrpc;

import java.io.IOException;

import jcifs.dcerpc.DcerpcHandle;
import jcifs.dcerpc.rpc;
import jcifs.smb.SmbException;

/**
 * LSA policy handle for Local Security Authority operations.
 */
public class LsaPolicyHandle extends rpc.policy_handle implements AutoCloseable {

    private final DcerpcHandle handle;

     *
     * @param file the SMB file to test for inclusion
     * @return whether the given file should be included
     * @throws SmbException if an error occurs while accessing the file
     */
    boolean accept(SmbFile file) throws SmbException;

    /**
     * Connects and performs logon to the tree using the specified context
     * @param tf the CIFS context to use for connection
     * @throws SmbException if an SMB error occurs during connection
     */
    @Deprecated
    void connectLogon(CIFSContext tf) throws SmbException;

    /**
     * Sends an SMB request and returns the response
     * @param <T> the response type
     * @param request the request to send

     * @param dir the directory containing the file
     * @param name the name of the file
     * @return whether the given filename should be included
     * @throws SmbException if an SMB error occurs during evaluation
     */
    boolean accept(SmbFile dir, String name) throws SmbException;

        assertNull(ex.getMessage(), "Default ctor should not set a message");
        assertNull(ex.getCause(), "Default ctor should not set a cause");
        assertTrue(ex instanceof SmbException, "Should be an SmbException subtype");
        // SmbException default ctor leaves status 0, which equals NT_STATUS_SUCCESS
        assertEquals(NtStatus.NT_STATUS_SUCCESS, ex.getNtStatus(), "Default status should be success (0)");
    }

 */

package jcifs.dcerpc.msrpc;

import java.io.IOException;

import jcifs.dcerpc.DcerpcHandle;
import jcifs.dcerpc.rpc;
import jcifs.smb.SmbException;

/**
 * Handle for Security Account Manager (SAM) alias operations.
 * This class represents an open handle to a SAM alias and provides
 * operations for managing alias membership and properties.
 */

            rpc.retval = errorCode; // Simulate failure
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrOpenAlias.class));

        // Act & Assert
        SmbException thrown = assertThrows(SmbException.class, () -> {
            new SamrAliasHandle(mockDcerpcHandle, mockSamrDomainHandle, access, rid);
        });

        assertEquals(errorCode, thrown.getNtStatus());
    }

    @Test

     * @param doSigning whether message signing should be enabled
     * @return a new SSP authentication context
     * @throws SmbException if context creation fails
     */
    SSPContext createContext(CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning) throws SmbException;

    /**
     * Get the security subject associated with these credentials.
     * @return subject associated with the credentials