void testInitWithNullProperties() throws CIFSException {
        // Test successful initialization with null properties
        assertDoesNotThrow(() -> SingletonContext.init(null));
        assertNotNull(SingletonContext.getInstance());
    }

    @Test
    void testInitWithCustomProperties() throws CIFSException {
        // Test successful initialization with custom properties
        Properties props = new Properties();

     * and ending with ".txt".
     */
    public StemmerOverrideCreator() {
        super("stemmer_override.*\\.txt");
    }

    /**
     * Registers this creator with the dictionary manager upon initialization.
     * This method is annotated with {@link PostConstruct} to be executed after
     * dependency injection is complete.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {

 */
package org.codelibs.fess.exception;

/**
 * System exception class for the Fess search engine.
 * This exception is thrown when system-level errors occur in the Fess application,
 * such as configuration errors, initialization failures, or critical runtime issues.
 */
public class FessSystemException extends RuntimeException {

    /** Serial version UID for serialization compatibility */
    private static final long serialVersionUID = 1L;

    public WebApiFilter() {
        // Default constructor
    }

    /**
     * Initializes the web API filter.
     *
     * @param filterConfig The filter configuration
     * @throws ServletException If initialization fails
     */
    @Override
    public void init(final FilterConfig filterConfig) throws ServletException {
        // nothing
    }

    /**
     * Destroys the web API filter and cleans up resources.

        lenient().when(response.getOutputStream()).thenReturn(servletOutputStream);
    }

    @Test
    void testInit_success() throws ServletException {
        // Test successful initialization with valid configuration
        Map<String, String> initParams = new HashMap<>();
        initParams.put("jcifs.smb.client.domain", "TEST_DOMAIN");
        initParams.put("jcifs.http.domainController", "dc.test.com");

    private static FessConfig fessConfig;

    /** List of initialization processes to run after container initialization. */
    private static List<Runnable> initProcesses = new ArrayList<>();

    /**
     * Private constructor to prevent instantiation.
     */
    private ComponentUtil() {
    }

    /**
     * Processes a runnable after container initialization.
     * @param process The process to run after container init.

 */
@GwtCompatible
final class LongAddables {
  private static final Supplier<LongAddable> SUPPLIER;

  static {
    Supplier<LongAddable> supplier;
    try {
      // trigger static initialization of the LongAdder class, which may fail
      LongAdder unused = new LongAdder();
      supplier =
          new Supplier<LongAddable>() {
            @Override
            public LongAddable get() {

    /**
     * Do not instantiate.
     */
    protected ConstructorUtil() {
    }

    /**
     * Creates and initializes a new instance of the class declared by the specified constructor with the given initialization parameters.
     *
     * @param <T> the type of the object
     * @param constructor the constructor (must not be {@literal null})

    private final String password = "testPassword";
    private final String workstation = "TEST_WORKSTATION";

    @BeforeEach
    void setUp() {
        // MockitoExtension handles mock initialization
        // Type1Message.getDefaultWorkstation() is static, so we can't easily mock it without PowerMock.
        // We will proceed assuming it returns a predictable value or handle it as is.
    }

    @Test

  /** Table of cells. When non-null, size is a power of 2. */
  transient volatile Cell @Nullable [] cells;

  /**
   * Base value, used mainly when there is no contention, but also as a fallback during table
   * initialization races. Updated via CAS.
   */
  transient volatile long base;

  /** Spinlock (locked via CAS) used when resizing and/or creating Cells. */
  transient volatile int busy;