void getSmbSession_byContext_null() {
        when(transport.getSmbSession(isNull(jcifs.CIFSContext.class))).thenReturn(null);
        assertNull(transport.getSmbSession((jcifs.CIFSContext) null));
        verify(transport).getSmbSession((jcifs.CIFSContext) isNull());
    }

    // Happy path: session retrieval with host/domain variations
    @ParameterizedTest

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.smb;

import javax.security.auth.Subject;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Credentials;

/**
 * Internal interface for SMB credentials.
 *
 * This interface provides internal methods for managing
 * and accessing SMB authentication credentials.

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.dcerpc;

import java.io.IOException;
import java.net.MalformedURLException;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SmbPipeResource;
import jcifs.smb.SmbNamedPipe;
import jcifs.smb.SmbPipeHandleInternal;
import jcifs.util.Encdec;

/**

    /**
     * The SMB authentication holder.
     */
    protected volatile SmbAuthenticationHolder smbAuthenticationHolder;

    /**
     * The CIFS context.
     */
    protected CIFSContext cifsContext;

    /**
     * Creates a new SmbClient instance.
     */
    public SmbClient() {
        super();
    }

    /**
    * Initializes the SMB client.

class Type3MessageTest {

    @Mock
    private CIFSContext mockContext;

    @BeforeEach
    void setUp() {
        // Basic setup for mock context if needed
    }

    /**
     * Helper method to create properly configured mock context
     */
    private CIFSContext createMockContext() {
        CIFSContext mockCtx = mock(CIFSContext.class);
        Configuration mockConfig = mock(Configuration.class);

    protected BaseContext cifsContext;

    /**
     * Constructs a JcifsEngine with the specified properties.
     *
     * @param props the properties for configuring the CIFS context
     * @throws CrawlingAccessException if an error occurs during initialization
     */
    public JcifsEngine(final Properties props) {
        try {
            cifsContext = new BaseContext(new PropertyConfiguration(props));

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.tree;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Tree Disconnect request message.
 *

     *            methods.
     * @throws CIFSException if there is an error resolving the SIDs
     */
    void resolveSids(CIFSContext tc, String authorityServerName, SID[] sids) throws CIFSException;

    /**
     * Resolve part of an array of SIDs using a cache and at most one MSRPC request.
     *
     * @param tc the CIFS context to use

    }

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.smb.CredentialsInternal#createContext(jcifs.CIFSContext, java.lang.String, java.lang.String, byte[],
     *      boolean)
     */
    @Override
    public SSPContext createContext(CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning)
            throws SmbException {
        checkNotClosed();

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.session;

import jcifs.CIFSContext;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**