} catch (SmbException e) {
            // This is the expected behavior per SMB specification
            deletionFailed = true;
            log.info("Non-empty directory deletion properly failed as expected: {}", e.getMessage());
        }

        // Directory behavior depends on whether deletion failed or succeeded

    }

    @Test
    @DisplayName("Invalid: resolving class by null name throws NPE")
    void testClassForNameWithNull() {
        // Intent: demonstrate defensive behavior with null when resolving this type by name
        assertThrows(NullPointerException.class, () -> Class.forName(null));
    }

    @Test
    @DisplayName("Happy path: class is loadable via fully qualified name")

import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for KeyMatch.
 */
public class KeyMatchService extends FessAppService {

    /** The KeyMatch behavior. */
    @Resource
    protected KeyMatchBhv keyMatchBhv;

    /**
     * Default constructor.
     */
    public KeyMatchService() {
        super();
    }

    /** The Fess config. */

        assertEquals(msg, ex.getMessage(), "Constructor should preserve the provided message (including null)");
        assertNull(ex.getCause(), "No cause expected when only message is provided");

        // toString behavior mirrors Throwable: includes message when not null
        String ts = ex.toString();
        assertTrue(ts.contains("SmbUnsupportedOperationException"), "toString should contain class name");
        if (msg != null) {

    @Mock
    private Configuration mockConfig;

    @Mock
    private Name mockName;

    private NodeStatusRequest nodeStatusRequest;

    @BeforeEach
    void setUp() {
        // Setup default mock behavior
        lenient().when(mockConfig.getNetbiosScope()).thenReturn("DEFAULT.SCOPE");
        lenient().when(mockConfig.getOemEncoding()).thenReturn("UTF-8");

        // Setup mock name

        // Reserved1 (2 bytes) - should be 0 (bytes were initialized to 0xCC, so they weren't written)
        // This is expected behavior - the reserved fields are not explicitly written to 0

        // Reserved2 (4 bytes) - should be 0 (bytes were initialized to 0xCC, so they weren't written)
        // This is expected behavior - the reserved fields are not explicitly written to 0

        // FileId (16 bytes) - should match our test file ID

    @Mock
    private FileNotifyInformation mockNotifyInfo2;

    @Mock
    private CommonServerMessageBlockRequest mockRequest;

    /**
     * Mock implementation of NotifyResponse for testing interface behavior
     */
    private static class MockNotifyResponse implements NotifyResponse {

        private List<FileNotifyInformation> notifyInformation;
        private boolean async = false;

import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for label types.
 */
public class LabelTypeService extends FessAppService {

    /** The LabelType behavior. */
    @Resource
    protected LabelTypeBhv labelTypeBhv;

    /** The Fess config. */
    @Resource
    protected FessConfig fessConfig;

    /**
     * Default constructor.
     */

        } catch (final MalformedURLException e) {
            throw new CIFSException("Invalid URL " + url, e);
        }
    }

    /**
     * Wraps a new context, allowing subclasses to provide custom wrapping behavior.
     *
     * @param newContext the context to wrap
     * @return the wrapped context
     */
    protected CIFSContext wrap(final CIFSContext newContext) {
        return newContext;
    }

    @Override

            if (host == null) {
                return;
            }

            // Atomically get or create the AtomicLong for this host using Cache.get()
            // This ensures thread-safe, atomic get-or-create behavior
            // Initialize with 0 to mark uninitialized state
            final AtomicLong lastTime = lastTimes.get(host, () -> new AtomicLong(0));

            synchronized (lastTime) {