*     null} is treated as the four-character string {@code "null"}.
   * @param args the arguments to be substituted into the message template. The first argument
   *     specified is substituted for the first occurrence of {@code "%s"} in the template, and so
   *     forth. A {@code null} argument is converted to the four-character string {@code "null"};

    public void setUp() throws Exception {
        super.setUp();
        purgeDocJob = new PurgeDocJob();

        // Reset flags and variables
        deleteByQueryCalled = false;
        deleteIndex = null;
        deleteQuery = null;
        expiresFieldName = "expires";
        documentUpdateIndex = "fess.update";

        // Create mock SearchEngineClient
        searchEngineClient = new SearchEngineClient() {
            @Override

        Smb2LeaseKey key = leaseManager.requestLease(path, Smb2LeaseState.SMB2_LEASE_FULL);

        // Register a mock file with cache
        leaseManager.registerFileCache(path, null); // Using null for simplicity in test

        // Handle lease break which should trigger cache operations
        leaseManager.handleLeaseBreak(key, Smb2LeaseState.SMB2_LEASE_NONE);

    }

    /**
     * Test null password handling
     */
    @Test
    public void testNullPasswordHandling() {
        // Test with null String password
        NtlmPasswordAuthenticator auth1 = new NtlmPasswordAuthenticator("testuser", (String) null);
        assertNull(auth1.getPassword());

        // Test with null char[] password

        // Then
        assertNotNull(result);
        assertEquals("", result);
    }

    @Test
    @DisplayName("Should handle null byte array")
    void testToHexStringNull() {
        // When/Then
        assertThrows(NullPointerException.class, () -> {
            Hexdump.toHexString(null);
        });
    }

    @Test
    @DisplayName("Should convert byte array to hex string with offset and length")

        convertedTexts.add(text);

        for (final ReadingConverter converter : converters) {
            String s;
            while ((s = queue.poll()) != null && convertedTexts.size() <= getMaxReadingNum()) {
                final List<String> results = converter.convert(s, field, lang);
                convertedTexts.addAll(results);
            }

   *
   * @param eventClass a class to assert that the returned event is an instance of, or null to
   *     take any event class.
   * @param elapsedMs the time in milliseconds elapsed since the immediately-preceding event, or
   *     -1L to take any duration.
   */
  fun takeEvent(
    eventClass: Class<out CallEvent>? = null,
    elapsedMs: Long = -1L,
  ): CallEvent {
    val result = eventSequence.remove()

            NetworkInterfaceInfo info = NetworkInterfaceInfo.decode(buffer, bufferIndex);
            if (info != null) {
                interfaces.add(info);
            }

            if (next == 0) {
                // Last entry - advance by the full structure size
                bufferIndex += 152;
                break;
            }

            // Move to next entry based on Next offset

     * @return the normalized content, or empty string if content is null
     */
    public String getContent(final CrawlingConfig crawlingConfig, final ResponseData responseData, final String content,
            final Map<String, Object> dataMap) {
        if (content == null) {
            return StringUtil.EMPTY; // empty
        }

        if (crawlingConfig != null) {

                        <OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
                          <ShortName>Fess</ShortName>
                          <Description>Full Text Search for Your Documents.</Description>
                          <Tags>Full Text Search</Tags>
                          <Contact>******@****.***</Contact>
                          <SearchForm>http://localhost:8080/fess/</SearchForm>