}

    /**
     * Gets the process identifier
     * @return the pid
     */
    public final int getPid() {
        return this.pid;
    }

    /**
     * Sets the process identifier
     * @param pid
     *            the pid to set
     */
    public final void setPid(final int pid) {
        this.pid = pid;
    }

    /**
     * Gets the user identifier

            mockConfig.getCapabilities();
            mockConfig.getFlags2();
            mockConfig.getSessionLimit();
            mockConfig.getOemEncoding();
            mockConfig.getLocalTimezone();
            mockConfig.getPid();
            mockConfig.getMaxMpxCount();
            mockConfig.isSigningEnabled();
            mockConfig.isIpcSigningEnforced();
            mockConfig.isSigningEnforced();
            mockConfig.isEncryptionEnabled();

        when(handle.ensureOpen()).thenReturn(fd);
        when(fd.getTree()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(false);
        when(tree.getConfig()).thenReturn(config);
        when(config.getPid()).thenReturn(1234);

        // Stub send to populate the provided response instance via reflection
        Mockito.doAnswer(inv -> {
            Object resp = inv.getArgument(1);

        this.largeFile = largeFile;
    }

    /**
     * Returns the process ID associated with this lock range.
     *
     * @return the process ID
     */
    public int getPid() {
        return this.pid;
    }

    /**
     * Returns the starting byte offset of the lock range.
     *
     * @return the starting byte offset
     */
    public long getByteOffset() {

    @Mock
    private Configuration mockConfig;

    private SmbComSeekResponse response;

    @BeforeEach
    void setUp() {
        // Setup mock configuration to avoid NPE
        when(mockConfig.getPid()).thenReturn(12345);
        response = new SmbComSeekResponse(mockConfig);
    }

    /* ------------------------------------------------------------------ */

        when(nego.getServerData()).thenReturn(serverData);
        when(transport.getNegotiateResponse()).thenReturn(nego);

        // Mock config methods needed for SMB1
        when(config.getPid()).thenReturn(1234);

        SmbComTreeConnectAndXResponse response = mock(SmbComTreeConnectAndXResponse.class);
        when(response.getService()).thenReturn("A:");
        when(response.isValidTid()).thenReturn(true);

        LockingAndXRange decoded = new LockingAndXRange(false);
        int decodedSize = decoded.decode(dst, 0, dst.length);
        assertEquals(10, decodedSize, "Decode should return size 10");
        assertEquals(99, decoded.getPid());
        assertEquals(123456L, decoded.getByteOffset());
        assertEquals(654321L, decoded.getLengthInBytes());
    }

        }

        @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")

        assertNotNull(trans2QueryPathInfo);

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

        // 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