throw new SmbException("File operation exceeds file bounds");
        }
    }

    /**
     * Validate SMB header fields
     *
     * @param protocolId protocol identifier
     * @param structureSize structure size field
     * @param command command code
     * @throws SmbException if header is invalid
     */

 * <li>{@link #createMappingIfEmpty(String, String, Client)}: Creates the index mapping if it does not exist.</li>
 * <li>{@link #loadIndexSettings()}: Loads the index settings from a JSON file.</li>
 * </ul>
 *
 * <p>Fields:
 * <ul>
 * <li>{@link #logger}: Logger instance for logging debug information.</li>
 * <li>{@link #client}: OpenSearch client instance.</li>
 * <li>{@link #arraySettingsIndexName}: Name of the array settings index.</li>

        // Transport wiring - used by most tests
        when(transport.acquire()).thenReturn(transport);
        when(transport.getContext()).thenReturn(cifsContext);
    }

    // Helper to set private fields for targeted edge cases
    private static void setField(Object target, String name, Object value) {
        try {
            Field f = target.getClass().getDeclaredField(name);
            f.setAccessible(true);

                // Force close the handle
                this.open = false;
                this.usageCount.set(0);

                // Clear mutable references to free memory
                // Note: Some fields may be final and cannot be nulled

                // Clear any other mutable state would go here
            }
        } catch (Exception e) {
            log.error("Failed to perform emergency file handle cleanup", e);

 * It interacts with the OpenSearch client to create, update, and delete analyzer settings, as well as to retrieve
 * analyzer names and mappings.
 *
 * <p>Key functionalities include:</p>
 * <ul>
 *   <li>Initializing analyzer settings and mappings.</li>
 *   <li>Retrieving analyzer names for different fields and languages.</li>

        private int uid;
        private boolean extendedSecurity;
        private long sessionId;
        private boolean retainPayload;
        private byte[] rawPayload;

        // Response interface fields
        private boolean received = false;
        private int grantedCredits = 0;
        private int errorCode = 0;
        private boolean verifyFailed = false;
        private boolean error = false;

                transport.getRequestSecurityMode(firstReq));
    }

    @Test
    @DisplayName("toString contains key fields without throwing")
    void toStringContainsInfo() {
        String s = transport.toString();
        assertNotNull(s);
        assertTrue(s.contains("state="));
        assertTrue(s.contains(":445"));
    }

            return true;
        }
        if (sitemapUrl == null) {
            return false;
        }
        // Validate required fields
        if (!isValidUrl(sitemapUrl.getLoc())) {
            return false;
        }
        // Validate optional fields
        if (!isValidPriority(sitemapUrl.getPriority())) {
            return false;
        }
        if (!isValidChangefreq(sitemapUrl.getChangefreq())) {

                // Force disconnection
                this.connectionState.set(0);
                this.tid = -1;

                // Clear any cached resources
                // Note: Most fields in SmbTreeImpl are final or managed differently

                // Clear session reference if mutable
                // Note: session field may be final, cannot be nulled
            }
        } catch (Exception e) {

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("TransPeekNamedPipeResponse"));
        // Verify that parent's toString is called (should contain standard fields)
        assertTrue(result.length() > "TransPeekNamedPipeResponse[]".length());
    }

    @Test
    @DisplayName("Multiple instances should be independent")
    void testMultipleInstances() {