}

        @Test
        @DisplayName("Should throw exception on null buffer")
        void testEncodeWithNullBuffer() {
            assertThrows(IllegalArgumentException.class, () -> testRequest.encode(null, 0), "Should throw exception for null buffer");
        }

        @Test
        @DisplayName("Should throw exception on negative index")
        void testEncodeWithNegativeIndex() {

        }

        @Test
        @DisplayName("Should create instance with null ciphers")
        void testConstructorWithNullCiphers() {
            EncryptionNegotiateContext context = new EncryptionNegotiateContext(mockConfig, null);

            assertNotNull(context);
            assertNull(context.getCiphers());
        }

        @Test
        @DisplayName("Should create instance with empty ciphers array")

        }

        @Test
        @DisplayName("Should initialize DfsReferralResponseBuffer")
        void testDfsResponseBufferInitialization() {
            assertNotNull(response.getDfsResponse());
            assertTrue(response.getDfsResponse() instanceof DfsReferralResponseBuffer);
        }

        @Test
        @DisplayName("Should throw NullPointerException with null configuration")

            assertNotNull(bindWithParams, "Constructor should create instance");
            assertEquals(0, bindWithParams.getOpnum(), "Opnum should be 0");
            assertEquals(11, bindWithParams.getPtype(), "Ptype should be 11 for bind message");
            assertEquals(DcerpcConstants.DCERPC_FIRST_FRAG | DcerpcConstants.DCERPC_LAST_FRAG, bindWithParams.getFlags(),
                    "Flags should be set for first and last fragment");

        try {
            Artifact artifact = new Artifact("fess-theme-test", "1.0.0");
            themeHelper.getJarFile(artifact);
            fail("Should throw ThemeException");
        } catch (Exception e) {
            // Should throw ThemeException or other exception related to file not found
            assertTrue(e.getMessage().contains("does not exist") || e instanceof ThemeException);
        }
    }

        assertEquals(smbTreeHandle, result, "getTree should return the mocked SmbTreeHandle.");
        verify(smbFileHandle, times(1)).getTree();
    }

    /**
     * Test isValid() when the handle is valid.
     */
    @Test
    void testIsValid_whenValid() {
        when(smbFileHandle.isValid()).thenReturn(true);
        assertTrue(smbFileHandle.isValid(), "isValid should return true when the handle is valid.");

        }).when(transport).send(any(ServerMessageBlock.class), any(ServerMessageBlock.class));

        session.send(req, resp);
        // Response state should be reset
        assertFalse(resp.received, "Response flag should be reset");
        // transport.send should be called at least once (for sessionSetup and the actual request)
        verify(transport, atLeastOnce()).send(any(ServerMessageBlock.class), any(ServerMessageBlock.class));

        @Test
        @DisplayName("Should initialize remaining to zero")
        void testInitialRemainingValue() {
            assertEquals(0, response.getRemaining());
        }
    }

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

        @Test
        @DisplayName("Should get count value")
        void testGetCount() {
            // Initial value should be 0

        assertEquals(1, stats.getRdmaReads(), "Should have 1 read operation");
        assertEquals(1, stats.getRdmaWrites(), "Should have 1 write operation");
        assertEquals(1, stats.getRdmaSends(), "Should have 1 send operation");
        assertEquals(1, stats.getRdmaReceives(), "Should have 1 receive operation");
        assertEquals(5120, stats.getBytesTransferred(), "Should have transferred 5KB total");

    }

    @Test
    void testNtlmNegotiateOem() {
        assertEquals(0x00000002, NtlmFlags.NTLMSSP_NEGOTIATE_OEM, "NTLMSSP_NEGOTIATE_OEM should be 0x00000002");
    }

    @Test
    void testNtlmRequestTarget() {
        assertEquals(0x00000004, NtlmFlags.NTLMSSP_REQUEST_TARGET, "NTLMSSP_REQUEST_TARGET should be 0x00000004");
    }

    @Test