* diagnostics using the <code>nmblookup</code> utility.
 *
 * @author Michael B. Allen
 * @see java.net.InetAddress
 * @since jcifs-0.1
 */
public interface NetbiosAddress extends Address {

    /**
     * Determines if the address is a group address. This is also
     * known as a workgroup name or group name.
     *
     * @param tc
     *            context to use

        // Arrange
        NetbiosAddress inputAddress = mock(NetbiosAddress.class);
        NetbiosAddress[] expectedAddresses = { mock(NetbiosAddress.class), mock(NetbiosAddress.class) };
        when(nameServiceClient.getNbtAllByAddress(inputAddress)).thenReturn(expectedAddresses);

        // Act
        NetbiosAddress[] actualAddresses = nameServiceClient.getNbtAllByAddress(inputAddress);

     *
     * @param addr
     *            the address to query
     * @return resolved addresses
     * @throws UnknownHostException
     *             if address cannot be resolved
     */
    NetbiosAddress[] getNbtAllByAddress(NetbiosAddress addr) throws UnknownHostException;

    /**
     * Retrieve all addresses of a host by it's address. NetBIOS hosts can
     * have many names for a given IP address. The name and IP address make

        NetbiosAddress mockNetbiosAddress20 = mock(NetbiosAddress.class);
        when(mockNetbiosAddress20.getNameType()).thenReturn(0x20);
        when(mockNetbiosAddress20.getHostName()).thenReturn("ACTUAL_SERVER_NAME");

        NetbiosAddress[] nodeStatusResponse = { mock(NetbiosAddress.class), mockNetbiosAddress20 };

        /**
         * @return the ans
         */
        public NetbiosAddress[] getAnswer() {
            return this.ans;
        }

        /**
         * @return the uhe
         */
        public UnknownHostException getException() {
            return this.uhe;
        }

    }

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.netbios.NbtAddress;

/**
 * Tests for NetbiosAddress interface and NbtAddress implementation.
 * This test focuses on verifying constants and basic functionality.
 */
@ExtendWith(MockitoExtension.class)
class NetbiosAddressTest {

    @Test

        CIFSContext mockContext = mock(CIFSContext.class);
        Configuration mockConfig = mock(Configuration.class);
        NameServiceClient mockNameServiceClient = mock(NameServiceClient.class);
        NetbiosAddress mockHost = mock(NetbiosAddress.class);

        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockContext.getNameServiceClient()).thenReturn(mockNameServiceClient);

            this.calledName = SMBSERVER_NAME;
        } else if (SMBSERVER_NAME.equals(this.calledName)) {
            NetbiosAddress[] addrs;

            try {
                addrs = tc.getNameServiceClient().getNodeStatus(this);
                if (this.getNameType() == 0x1D) {
                    for (final NetbiosAddress addr : addrs) {
                        if (addr.getNameType() == 0x20) {

        // Server vs Workgroup depends on NetBIOS name type
        Address addr = mock(Address.class);
        NetbiosAddress nb = mock(NetbiosAddress.class);
        when(addr.unwrap(NetbiosAddress.class)).thenReturn(nb);
        when(nb.getNameType()).thenReturn(0x1d); // workgroup code
        // getFirstAddress branch: host given and path non-root -> possibleNTDomain=false

        CIFSContext mockCtx = mock(CIFSContext.class);
        Configuration mockConfig = mock(Configuration.class);
        NameServiceClient mockNameServiceClient = mock(NameServiceClient.class);
        NetbiosAddress mockHost = mock(NetbiosAddress.class);
        SecureRandom mockRandom = mock(SecureRandom.class);

        // Create a machine ID (32 bytes)
        byte[] machineId = new byte[32];
        mockRandom.nextBytes(machineId);