assertNotNull(trans2QueryPathInfo);

        // Configuration is accessed during initialization
        // Verify at least that getPid() and getTransactionBufferSize() were called
    }

        }

        @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")

        // 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

            assertNotNull(cancelRequest);
            assertInstanceOf(Smb2CancelRequest.class, cancelRequest);
            Smb2CancelRequest smb2Cancel = (Smb2CancelRequest) cancelRequest;
            assertEquals(mid, smb2Cancel.getMid());
            assertEquals(asyncId, smb2Cancel.getAsyncId());
        }
    }

    @Nested
    @DisplayName("Chain Operation Tests")
    class ChainOperationTests {

        @Test

        when(tree.isSMB2()).thenReturn(false);
        when(tree.getConfig()).thenReturn(mock(Configuration.class));
        when(tree.hasCapability(SmbConstants.CAP_NT_SMBS)).thenReturn(true);
        when(handle.getFid()).thenReturn(fid);
        when(tree.send(any(CommonServerMessageBlockRequest.class), any(), any(), any())).thenReturn(resp);
    }

    // Ensures watch() fails fast if the underlying handle is invalid
    @Test

        }
    }

    private static byte[] deriveKey(final byte[] masterKey, final String cnst) {
        final MessageDigest md5 = Crypto.getMD5();
        md5.update(masterKey);
        md5.update(cnst.getBytes(StandardCharsets.US_ASCII));
        md5.update((byte) 0);
        return md5.digest();
    }

    @Override

     * @throws SmbException if an SMB error occurs
     */
    public void getUserSessionKey(CIFSContext tc, byte[] chlng, byte[] dest, int offset) throws SmbException {
        try {
            MessageDigest md4 = Crypto.getMD4();
            byte[] ntHash = getNTHash();
            switch (tc.getConfig().getLanManCompatibility()) {
            case 0:
            case 1:
            case 2:
                md4.update(ntHash);

    }

    /**
     * Gets the RID (relative identifier) of this SID.
     *
     * @return the RID
     */
    public int getRid() {
        if (getType() == SID_TYPE_DOMAIN) {
            throw new IllegalArgumentException("This SID is a domain sid");
        }
        return sub_authority[sub_authority_count - 1];
    }

    /**

                } 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 {

        assertNotNull(trans2SetFileInfo);

        // Configuration is accessed during initialization
        // Verify at least that getPid() and getTransactionBufferSize() were called
    }

    @DisplayName("Test FileInformation encode returning different sizes")
    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 10, 100, 1000 })