- Input validation using `validateInputStream()`

**Covered Extractors**:
- MsWordExtractor
- MsExcelExtractor
- MsPowerPointExtractor
- TextExtractor

**Test Count**: 8 tests

**Key Scenarios**:
- ✅ Successful extraction closes resources properly
- ✅ Failed extraction includes descriptive error messages
- ✅ Null input stream validation
- ✅ Error messages include file type context

---

 * </p>
 * <pre>
 * Map&lt;K, V&gt; syncMap = Collections.synchronizedMap(new LruHashMap&lt;&gt;(100));
 * </pre>
 * <p>
 * Alternatively, for high-concurrency scenarios, consider implementing a custom
 * LRU cache using {@link java.util.concurrent.ConcurrentHashMap} with an eviction strategy.
 * </p>
 *
 * @author koichik
 * @param <K> the key type
 * @param <V> the value type
 */

 * It extends {@link org.codelibs.fess.crawler.exception.CrawlerSystemException} and provides constructors
 * to handle different scenarios such as wrapping another exception or providing a specific error message.
 */
public class ExtractException extends CrawlerSystemException {

    private static final long serialVersionUID = 1L;

    /**

import org.junit.jupiter.params.provider.ValueSource;

/**
 * Comprehensive test suite for CIFSUnsupportedCryptoException class.
 * Tests all constructors, inheritance behavior, and crypto-specific scenarios.
 */
@DisplayName("CIFSUnsupportedCryptoException Tests")
class CIFSUnsupportedCryptoExceptionTest extends BaseTest {

- `CurlResponseTest`: Tests for response handling, status codes, content retrieval, resource management
- `CurlExceptionTest`: Tests for exception handling and error scenarios

 * This action handles SSO authentication flows including login, logout, and metadata
 * operations. It coordinates with the SsoManager to perform authentication using
 * configured SSO providers and handles various authentication scenarios including
 * successful login, authentication failures, and redirects.
 */
public class SsoAction extends FessLoginAction {
    // ===================================================================================

            verify(ace, times(1)).getFlags();
        }
    }

    @Nested
    @DisplayName("Real-world Usage Scenarios")
    class RealWorldUsageTests {

        @Test
        @DisplayName("Should handle typical file system permission scenarios")
        void shouldHandleFileSystemPermissions() {
            // Read-only file access

 * This class provides functionality to filter URLs based on include and exclude patterns.
 * It uses a {@link UrlFilterService} to manage the URL filtering rules.
 * The class supports caching of include and exclude patterns for scenarios where a session ID is not available.
 * It also provides methods to initialize the filter with a session ID, clear the filter,

import org.junit.jupiter.params.provider.MethodSource;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Tests for SmbBasicFileInfo interface.
 * The tests exercise typical, edge, and null scenarios using a simple
 * implementation and a Mockito mock to verify interactions.
 */
@ExtendWith(MockitoExtension.class)
public class SmbBasicFileInfoTest {

    /**

            assertEquals(FileSystemInformation.FS_FULL_SIZE_INFO, freshInfo.getFileSystemInformationClass());
        }
    }

    @Nested
    @DisplayName("Edge Cases and Real-World Scenarios")
    class EdgeCasesAndRealWorldTests {

        @Test
        @DisplayName("Should handle typical Windows NTFS configuration")
        void shouldHandleTypicalNTFSConfiguration() throws SMBProtocolDecodingException {