*/
    public DfsReferralDataImpl() {
        this.next = this;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.DfsReferralData#unwrap(java.lang.Class)
     */
    @SuppressWarnings("unchecked")
    @Override
    public <T extends DfsReferralData> T unwrap(final Class<T> type) {
        if (type.isAssignableFrom(this.getClass())) {
            return (T) this;
        }

        }
    }

    @Nested
    @DisplayName("Unwrap Tests")
    class UnwrapTests {

        @Test
        @DisplayName("Should unwrap to DfsReferralData interface")
        void testUnwrapToDfsReferralData() {
            DfsReferralData unwrapped = referralData.unwrap(DfsReferralData.class);
            assertSame(referralData, unwrapped);
        }

        @Test

        }
        return transport;
    }

    private static SmbTransportImpl getReferralTransport(final CIFSContext tf, DfsReferralData dr) throws SmbAuthException {
        try {
            if (dr != null) {
                final DfsReferralData start = dr;
                IOException e = null;
                do {
                    if (dr.getServer() != null && !dr.getServer().isEmpty()) {

                : loc.getUNCPath();
        String share = loc.getShare();

        final DfsReferralData start = referral != null ? referral : this.ctx.getDfs().resolve(this.ctx, hostName, loc.getShare(), path);
        DfsReferralData dr = start;
        IOException last = null;
        do {
            if (dr != null) {
                targetDomain = dr.getDomain();

    private DfsReferralDataImpl createInitializedDfsReferralDataImpl() {
        // Create a properly initialized instance using combine method
        DfsReferralDataImpl base = new DfsReferralDataImpl();
        DfsReferralData mockData = mock(DfsReferralData.class);
        when(mockData.getServer()).thenReturn("SERVER");
        when(mockData.getShare()).thenReturn("share");
        when(mockData.getPath()).thenReturn("path");

        return this.inDomainDfs;
    }

    /**
     * @param referral
     */
    public void setTreeReferral(final DfsReferralData referral) {
        this.treeReferral = referral;
    }

    /**
     * @return the treeReferral
     */
    public DfsReferralData getTreeReferral() {
        return this.treeReferral;
    }

    /**
     * @return whether this tree may be a DFS share

    void testDfsBehavior() {
        SmbResourceLocatorImpl l = locator("smb://server/share/path");
        assertNull(l.getDfsReferral());

        DfsReferralData dr = mock(DfsReferralData.class);
        when(dr.getServer()).thenReturn("dfs-server");
        when(dr.getShare()).thenReturn("dfs-share");
        when(dr.getPath()).thenReturn("dfs/path");

import java.net.UnknownHostException;
import java.util.Objects;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.DfsReferralData;
import jcifs.NetbiosAddress;
import jcifs.RuntimeCIFSException;
import jcifs.SmbConstants;
import jcifs.SmbResourceLocator;
import jcifs.internal.util.StringUtil;
import jcifs.netbios.NbtAddress;

    @Mock
    private SmbTransportInternal transport;

    @Mock
    private jcifs.CIFSContext ctx;

    @Mock
    private SmbSession session;

    @Mock
    private jcifs.DfsReferralData referral;

    @BeforeEach
    void resetMocks() {
        Mockito.reset(transport, ctx, session, referral);
    }

    // Happy path: hasCapability returns based on provided capability codes

import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Config;
import jcifs.DfsReferralData;
import jcifs.NameServiceClient;
import jcifs.SmbConstants;
import jcifs.config.PropertyConfiguration;
import jcifs.context.BaseContext;
import jcifs.netbios.NbtAddress;
import jcifs.smb.DfsReferral;