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");

        assertNull(ex.getMessage(), "Default ctor should not set a message");
        assertNull(ex.getCause(), "Default ctor should not set a cause");
        assertTrue(ex instanceof SmbException, "Should be an SmbException subtype");
        // SmbException default ctor leaves status 0, which equals NT_STATUS_SUCCESS
        assertEquals(NtStatus.NT_STATUS_SUCCESS, ex.getNtStatus(), "Default status should be success (0)");
    }

            var field = Handler.class.getField("DEFAULT_HTTPS_PORT");

            // Then
            assertTrue(Modifier.isPublic(field.getModifiers()));
            assertTrue(Modifier.isStatic(field.getModifiers()));
            assertTrue(Modifier.isFinal(field.getModifiers()));
            assertEquals(int.class, field.getType());
        }
    }

    @Nested
    @DisplayName("Integration Tests")

        assertNotNull("Mapping option should not be null", mappingOption);
        OptionalThing<JsonFieldNaming> fieldNamingOpt = mappingOption.getFieldNaming();
        assertTrue("Field naming should be present", fieldNamingOpt.isPresent());
        assertEquals("Field naming should be CAMEL_TO_LOWER_SNAKE", JsonFieldNaming.CAMEL_TO_LOWER_SNAKE, fieldNamingOpt.get());
    }

    public void test_instanceCreation() {

        }

        @Test
        @DisplayName("Should handle null data buffer in verify method")
        void testVerifyNullDataBuffer() {
            boolean result = digest.verify(null, 0, 100, 0, response);
            assertFalse(result, "Should return false for null data buffer");
        }

        @Test

        // Set max_recv field using reflection (default is 4280 in parent class)
        Field maxRecvField = DcerpcHandle.class.getDeclaredField("max_recv");
        maxRecvField.setAccessible(true);
        maxRecvField.set(handle, 4280);

        // Inject mocks using reflection
        Field pipeField = DcerpcPipeHandle.class.getDeclaredField("pipe");
        pipeField.setAccessible(true);

        );
    }

    // Helper methods

    private void setPrivateField(Object target, String fieldName, Object value) throws Exception {
        Field field = target.getClass().getDeclaredField(fieldName);
        field.setAccessible(true);
        field.set(target, value);
    }

    private void setResponseAsReceived(Smb2NegotiateResponse resp) throws Exception {

        assertEquals(testMessage, exception.getMessage(), "The exception message should match the input message.");
    }

    /**
     * Test the NO_NULL_REF static field.
     * Ensures that the static field holds the expected string value.
     */
    @Test
    void testNoNullRefConstant() {
        assertNotNull(NdrException.NO_NULL_REF, "NO_NULL_REF constant should not be null.");

        // When: Request with different port
        SmbTransportImpl second = testPool.getSmbTransport(ctx, address, 139, false);

        // Then: Should create new connection for different port
        assertNotSame(first, second, "Should create new connection for different port");
    }

    @Test
    @DisplayName("Should not reuse connection when session limit reached")

        // Assert that the public 'sids' field is initialized as expected
        assertEquals(sids, request.sids, "The 'sids' field should be initialized by the constructor.");

        // Use reflection to access and verify protected fields from the parent class DcerpcMessage
        Field ptypeField = DcerpcMessage.class.getDeclaredField("ptype");
        ptypeField.setAccessible(true);