} else if (dh.hasCapability(SmbConstants.CAP_NT_SMBS)) {
                    // use the open file descriptor
                    dh.send(new Trans2SetFileInformation(dh.getConfig(), dfd.getFid(), attrs, ctime, mtime, atime),
                            new Trans2SetFileInformationResponse(dh.getConfig()));
                } else {

      if (leftCode != rightCode) {
        return leftCode < rightCode ? -1 : 1;
      }

      // identityHashCode collision (rare, but not as rare as you'd think)
      int result = getUid(left).compareTo(getUid(right));
      if (result == 0) {
        throw new AssertionError(); // extremely, extremely unlikely.
      }
      return result;
    }

    @Override
    public String toString() {

        // Setup tree with configuration
        when(tree.getConfig()).thenReturn(config);
        when(tree.getSendBufferSize()).thenReturn(65536);
        when(config.getPid()).thenReturn(12345);
        when(config.getSendBufferSize()).thenReturn(65536);

        target = new SmbPipeHandleImpl(pipe);
    }

    @Test

                return resp.getOutputLength();
            }
            if (this.transact) {
                final TransTransactNamedPipe req = new TransTransactNamedPipe(th.getConfig(), fh.getFid(), buf, off, length);
                final TransTransactNamedPipeResponse resp = new TransTransactNamedPipeResponse(th.getConfig(), inB);

        } else {
            this.creationBacktrace = null;
        }
    }

    /**
     * @return the fid
     * @throws SmbException
     */
    public int getFid() throws SmbException {
        if (!isValid()) {
            throw new SmbException("Descriptor is no longer valid");
        }
        return this.fid;
    }

        }

        @Override
        public void setResponse(CommonServerMessageBlockResponse msg) {
        }

        @Override
        public long getMid() {
            return 0;
        }

        @Override
        public void setMid(long mid) {
        }

        @Override
        public int getCommand() {
            return 0;
        }

        @Override

        }

        @Test
        @DisplayName("Should throw NullPointerException with null configuration")
        void testConstructorWithNullConfig() {
            // The parent class requires a non-null configuration for getPid()
            assertThrows(NullPointerException.class, () -> {
                new Trans2GetDfsReferralResponse(null);
            });
        }
    }

    @Nested
    @DisplayName("Constants Tests")

    private URL url;

    private SmbFile smbFile;

    @BeforeEach
    public void setUp() throws MalformedURLException, CIFSException {
        // Mock configuration methods
        when(mockConfig.getPid()).thenReturn(1234);
        when(mockCifsContext.getConfig()).thenReturn(mockConfig);

        // Mock credentials to prevent NPE
        when(mockCredentials.getUserDomain()).thenReturn("DOMAIN");

     */
    public int getAccessMask() {
        return access;
    }

    /**
     * Return the SID associated with this ACE.
     * @return the SID for this ACE
     */
    public SID getSID() {
        return sid;
    }

    int decode(final byte[] buf, int bi) {
        allow = buf[bi] == (byte) 0x00;
        bi++;
        flags = buf[bi++] & 0xFF;

            testRequest.setRequestCredits(credits);
            assertEquals(credits, testRequest.getCredit());
        }

        @Test
        @DisplayName("setTid should set tree ID")
        void testSetTid() {
            int tid = 12345;
            testRequest.setTid(tid);
            assertEquals(tid, testRequest.getTreeId());
        }
    }

    @Nested
    @DisplayName("Async Operation Tests")