System.setErr(new PrintStream(errContent));

        try {
            String[] args = { "--invalidOption", "value" };
            Crawler.main(args);

            String error = errContent.toString();
            assertTrue(error.contains("invalidOption"));
        } finally {
            System.setErr(originalErr);
        }
    }

    // Test doCrawl method

            preauthService.updatePreauthHash("non-existent", "test".getBytes());
        });
    }

    @Test
    @DisplayName("Test context invalidation")
    public void testContextInvalidation() throws CIFSException {
        String sessionId = "test-session-invalidation";
        byte[] salt = preauthService.generatePreauthSalt();

        case FILE_MODIFIED:
            // Remove from cache to force refresh
            entry.removeChild(childName);
            break;

        case DIRECTORY_RENAMED:
            // Full invalidation needed
            entry.invalidate();
            break;

        case ATTRIBUTES_CHANGED:
            // Remove from cache to force refresh
            entry.removeChild(childName);
            break;

        when(fh.acquire()).thenReturn(fh);
        when(fh.isValid()).thenReturn(true, false); // first true, then false

        handle.ensureOpen();
        assertTrue(handle.isOpen());

        // Simulate invalidation
        assertFalse(handle.isOpen(), "Becomes not open when underlying handle invalid");

        // After close, report stale
        handle.close();

                // Remove from cache to force refresh
                entry.removeChild(childName);
                break;
                
            case DIRECTORY_RENAMED:
                // Full invalidation needed
                entry.invalidate();
                break;
        }
    }
    
    public void handleDirectoryLeaseBreak(Smb2LeaseKey leaseKey, int newState) {

    /**
     * Directory cache timeout in milliseconds
     */
    protected long directoryCacheTimeout = 30000L;
    /**
     * Whether directory change notifications are enabled for cache invalidation
     */
    protected boolean directoryNotificationsEnabled = true;
    /**
     * Maximum number of cached directory entries
     */
    protected int maxDirectoryCacheEntries = 1000;