@Mock
    private CIFSContext cifsContext;

    @BeforeEach
    void setup() {
        // Tree handle lifecycle and config
        lenient().when(tree.acquire()).thenReturn(tree);
        lenient().when(tree.isConnected()).thenReturn(true);

        // CIFS context returns same config to build responses during initResponse
        lenient().when(cifsContext.getConfig()).thenReturn(config);
    }

    private static final String TEST_HOSTNAME = "TEST_HOSTNAME";

    /**
     * Helper method to create a fully mocked CIFSContext with all necessary dependencies
     */
    private CIFSContext createMockContext() {
        CIFSContext mockContext = mock(CIFSContext.class);
        Configuration mockConfig = mock(Configuration.class);
        NameServiceClient mockNameServiceClient = mock(NameServiceClient.class);

import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.util.Encdec;

@ExtendWith(MockitoExtension.class)
class NtlmUtilTest {

    @Mock
    CIFSContext cifsContext;

    @Mock
    Configuration configuration;

    // Helper: decode hex string to bytes

     * @return a connected transport
     * @throws UnknownHostException if the host cannot be resolved
     * @throws IOException if an I/O error occurs
     */
    SmbTransport getSmbTransport(CIFSContext tf, String name, int port, boolean exclusive, boolean forceSigning)
            throws UnknownHostException, IOException;

    /**
     * Get transport connection
     *
     * @param tc

import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.MessageDigest;
import java.util.LinkedList;
import java.util.List;

import javax.crypto.Cipher;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SmbConstants;
import jcifs.ntlmssp.av.AvFlags;
import jcifs.ntlmssp.av.AvPair;
import jcifs.ntlmssp.av.AvPairs;
import jcifs.ntlmssp.av.AvSingleHost;

 * 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.context;

import jcifs.CIFSContext;
import jcifs.Credentials;
import jcifs.smb.CredentialsInternal;
import jcifs.smb.NtlmAuthenticator;
import jcifs.smb.NtlmPasswordAuthenticator;
import jcifs.smb.SmbAuthException;

}
```

### With Authentication

```java
import jcifs.CIFSContext;
import jcifs.context.BaseContext;
import jcifs.smb.NtlmPasswordAuthenticator;

// Create context with credentials
CIFSContext context = new BaseContext(new jcifs.config.PropertyConfiguration());
NtlmPasswordAuthenticator auth = new NtlmPasswordAuthenticator("domain", "username", "password");
CIFSContext authContext = context.withCredentials(auth);

     * @return resolved name, null if not found
     */
    public synchronized NbtAddress getByName(final String host, final CIFSContext tc) {
        return getByName(new Name(tc.getConfig(), host, 0x20, null), tc);
    }

    synchronized NbtAddress getByName(final Name name, final CIFSContext tc) {
        NbtAddress result = null;

        try {
            if (tc.getConfig().getLmHostsFileName() != null) {

    public boolean isGroupAddress(final CIFSContext tc) throws UnknownHostException {
        checkData(tc);
        return this.groupName;
    }

    @Override
    public int getNodeType(final CIFSContext tc) throws UnknownHostException {
        checkData(tc);
        return this.nodeType;
    }

    @Override
    public boolean isBeingDeleted(final CIFSContext tc) throws UnknownHostException {

        assertTrue(resp.isLoggedInAsGuest(), "Guest/anonymous should be detected");

        // prepare should propagate session id when received
        CIFSContext mockCtx = mock(CIFSContext.class);
        when(mockCtx.getConfig()).thenReturn(mock(Configuration.class));
        Smb2SessionSetupRequest nextReq = new Smb2SessionSetupRequest(mockCtx, 0, 0, 0L, null);