* longest path in the list of stand-alone referrals.
             */
            if (referrals != null && now > referrals.expiration) {
                referrals = null;
            }
            if (referrals == null) {
                referrals = new CacheEntry(0);
            }
            String key = "\\" + domain + "\\" + root;

        return buffer;
    }

    private byte[] createMinimalDfsReferralBuffer() {
        // Create minimal buffer with no referrals
        byte[] buffer = new byte[8];

        // Path consumed (2 bytes)
        SMBUtil.writeInt2(0, buffer, 0);

        // Number of referrals (2 bytes) - 0
        SMBUtil.writeInt2(0, buffer, 2);

        // Flags (2 bytes)
        SMBUtil.writeInt2(0, buffer, 4);

            dr.resolveHashes = auth.hashesExternal;
            dr.ttl = resp.referrals[di].ttl;
            dr.expiration = expiration;
            if (path.equals("")) {
                dr.server = resp.referrals[di].path.substring(1).toLowerCase();
            } else {
                dfsPathSplit(resp.referrals[di].node, arr);
                dr.server = arr[1];
                dr.share = arr[2];

            assertTrue(result.contains("referrals=["));
            assertFalse(result.contains("referrals=[]"));
        }
    }

    @Nested
    @DisplayName("Getter Methods Tests")
    class GetterTests {

        @BeforeEach
        void setupBuffer() {
            // Create buffer with 3 v1 referrals
            byte[] testBuffer = new byte[100];

         * longest path in the list of stand-alone referrals.
         */

        CacheEntry<DfsReferralDataInternal> refs;
        synchronized (this.referralsLock) {
            refs = this.referrals;
            if (refs == null || now > refs.expiration) {
                refs = new CacheEntry<>(0);
            }
            this.referrals = refs;
        }
        String key = "\\" + domain + "\\" + root;

    }

    /**
     *
     * @param loc
     * @param host
     * @param referral
     * @return tree handle
     * @throws IOException
     */
    public synchronized SmbTreeHandleImpl connectHost(final SmbResourceLocatorImpl loc, String host, final DfsReferralData referral)
            throws IOException {
        String targetDomain = ctx.getCredentials().getUserDomain();

                impl.fixupHost("server2.example.com");
                impl.fixupDomain("otherdomain.com");
            });
        }

        @Test
        @DisplayName("Should handle linked list of referrals")
        void testLinkedListOfReferrals() {
            DfsReferralDataImpl first = createInitializedDfsReferralDataImpl();
            DfsReferralDataImpl second = createInitializedDfsReferralDataImpl();

 *
 * Be advised that short/NetBIOS name usage is not supported with this authenticator. Always specify full FQDNs.
 * This can be a problem if using DFS in it's default configuration as they still return referrals in short form.
 * See <a href="https://support.microsoft.com/en-us/kb/244380">KB-244380</a> for compatible server configuration.
 * See {@link jcifs.Configuration#isDfsConvertToFQDN()} for a workaround.
 */

 * DFS referrals. (E.g. a resource with a DFS root's parent will still point to the DFS root not the share it's actually
 * located in).
 * - share + uncpath within it: This is the relevant information for most SMB requests. Both are adjusted by DFS
 * referrals. Nested resources will inherit the information already resolved by the parent resource.
 *
 * Invariant:

        assertNotNull(s2);
        assertEquals(1, transport.getNumSessions(), "Should reuse existing session");
        s2.close();
    }

    @Test
    @DisplayName("DFS referrals: invalid double-slash prefix triggers exception")
    void dfsReferrals_invalidPath() {
        CIFSException ex = assertThrows(CIFSException.class, () -> transport.getDfsReferrals(ctx, "\\\\server\\share", null, null, 1));