assertTrue(result.contains("Referral["));
        assertTrue(result.contains("version=3"));
        assertTrue(result.contains("size=200")); // updated size
        assertTrue(result.contains("serverType=1"));
        assertTrue(result.contains("flags=0"));
        assertTrue(result.contains("proximity=10"));
        assertTrue(result.contains("ttl=600"));
        // Check that paths and node are present

            log.warn("Path contains null bytes: {}", sanitizeForLog(path));
            throw new SmbException("Path contains null bytes");
        }

        // Check for control characters
        if (strictMode && CONTROL_CHARS.matcher(path).find()) {
            log.warn("Path contains control characters: {}", sanitizeForLog(path));
            throw new SmbException("Path contains control characters");
        }

        assertEquals(servletException, runtimeException.getCause());

        // Verify that the message is preserved from the cause
        assertTrue(runtimeException.getMessage().contains(ServletException.class.getName()));
        assertTrue(runtimeException.getMessage().contains(errorMessage));
    }

    public void test_constructor_withServletExceptionWithCause() {
        // Create a root cause exception

            assertTrue(config.getUrls().contains("https://example.com"));
            assertFalse(config.getUrls().contains("file:///test"));
        });

        parser.getFileConfig().ifPresent(config -> {
            assertTrue(config.getPaths().contains("file:///test"));
            assertFalse(config.getPaths().contains("https://example.com"));
        });
    }

        assertTrue(resultString.contains("status=0"), "toString should contain the status.");
        assertTrue(resultString.contains("converter=13330"), "toString should contain the converter.");
        assertTrue(resultString.contains("entriesReturned=2"), "toString should contain the number of entries.");
        assertTrue(resultString.contains("totalAvailableEntries=5"), "toString should contain the total available entries.");
    }

        // Assert
        assertEquals(2283323396289696982L, value, "serialVersionUID should be stable");
    }

    // Behavior check: toString contains class name and message when present
    @Test
    @DisplayName("toString contains class name and message when provided")
    void toString_containsClassName_and_Message() {
        // Arrange
        String msg = "signature invalid";

        assertTrue(populatedString.contains("documentItems=[{title=Test}]"));
        assertTrue(populatedString.contains("pageSize=20"));
        assertTrue(populatedString.contains("currentPageNumber=2"));
        assertTrue(populatedString.contains("allRecordCount=100"));
        assertTrue(populatedString.contains("execTime=0.5 sec"));
        assertTrue(populatedString.contains("searchQuery=test query"));

        String result = response.toString();

        assertNotNull(result);
        assertTrue(result.contains("SmbComQueryInformationResponse"));
        assertTrue(result.contains("fileAttributes=0x"));
        assertTrue(result.contains("lastWriteTime="));
        assertTrue(result.contains("fileSize=12345"));
    }

    @Test
    void testToStringWithZeroValues() {

        EnumSet<CrawlerStatus> allStatuses = EnumSet.allOf(CrawlerStatus.class);
        assertEquals(3, allStatuses.size());
        assertTrue(allStatuses.contains(CrawlerStatus.INITIALIZING));
        assertTrue(allStatuses.contains(CrawlerStatus.RUNNING));
        assertTrue(allStatuses.contains(CrawlerStatus.DONE));

        // Create EnumSet with specific values

        assertTrue(mockConfig.getApiPingEsFieldSet().contains("active_shards"));
        assertTrue(mockConfig.getApiPingEsFieldSet().contains("relocating_shards"));
        assertTrue(mockConfig.getApiPingEsFieldSet().contains("initializing_shards"));
        assertTrue(mockConfig.getApiPingEsFieldSet().contains("unassigned_shards"));
        assertTrue(mockConfig.getApiPingEsFieldSet().contains("delayed_unassigned_shards"));