when(delegate.hasNext()).thenReturn(true, true, false);
        when(delegate.next()).thenReturn(entry1, entry2);
        when(filter.accept(resource)).thenThrow(new CIFSException("Error")).thenReturn(true);

        TestIterator iterator = new TestIterator(filter);

        // Verify iteration
        assertTrue(iterator.hasNext());
        assertSame(resource, iterator.next());

        final Map<String, Object> doc = new HashMap<>();
        // leave required fields empty

        final List<VaMessenger<FessMessages>> errorMessages = new ArrayList<>();
        AdminSearchlistAction.validateFields(doc, errorMessages::add);

        assertFalse(errorMessages.isEmpty());

        final FessMessages messages = new FessMessages();
        errorMessages.forEach(m -> m.message(messages));

            byte[] originalSalt = new byte[32];
            new Random(42).nextBytes(originalSalt);
            PreauthIntegrityNegotiateContext originalContext =
                    new PreauthIntegrityNegotiateContext(mockConfig, originalHashAlgos, originalSalt);

            int encoded = originalContext.encode(buffer, 0);

            PreauthIntegrityNegotiateContext decodedContext = new PreauthIntegrityNegotiateContext();

    @Test
    public void test_processDirectMemberOf_collectsGroupIds() throws Exception {
        EntraIdAuthenticator authenticator = new EntraIdAuthenticator();

        List<String> groupList = new ArrayList<>();
        List<String> roleList = new ArrayList<>();
        List<String> groupIdsForParentLookup = new ArrayList<>();

        // Call with invalid URL - should handle gracefully

        List<QuerySearchResult> shards = new ArrayList<>();
        for (int i = 0; i < candidateList.size(); i++) {
            QuerySearchResult result = new QuerySearchResult();
            result.setShardIndex(i);
            result.from(0);
            result.size(0);
            result.topDocs(
                new TopDocsAndMaxScore(

	}
	if len(extKey) != 32 { // safety check
		logger.CriticalIf(context.Background(), errors.New("crypto: invalid key length"))
	}
	var nonce [32]byte
	if _, err := io.ReadFull(random, nonce[:]); err != nil {
		logger.CriticalIf(context.Background(), errOutOfEntropy)
	}

	const Context = "object-encryption-key generation"
	mac := hmac.New(sha256.New, extKey)
	mac.Write([]byte(Context))
	mac.Write(nonce[:])
	mac.Sum(key[:0])
	return key

        SuggestIndexResponse response2 = new SuggestIndexResponse(10, 5, errors, 100);
        assertTrue(response2.hasError());
    }

    @Test
    public void test_getErrors() throws Exception {
        List<Throwable> errors = new ArrayList<>();
        errors.add(new Exception("Error 1"));
        errors.add(new RuntimeException("Error 2"));

        SuggestIndexResponse response = new SuggestIndexResponse(10, 5, errors, 100);

    void testUrlCreationWithHandler() throws Exception {
        // Act - Create various SMB URLs using the handler
        URL url1 = new URL(null, "smb://host/share", handler);
        URL url2 = new URL(null, "smb://host:1234/share/file.txt", handler);
        URL url3 = new URL(null, "smb://user:pass@host/share", handler);

        // Assert - Verify URL components
        assertEquals("smb", url1.getProtocol());

        conditions.put("q", new String[] { "search term" });
        conditions.put("epq", new String[] { "exact phrase" });
        conditions.put("oq", new String[] { "word1 word2" });
        conditions.put("nq", new String[] { "exclude" });
        conditions.put("filetype", new String[] { "pdf" });
        conditions.put("sitesearch", new String[] { "example.com" });

    assertPutString(
        new char[] {
          HashTestUtils.randomLowSurrogate(new Random()),
          HashTestUtils.randomHighSurrogate(new Random())
        });
  }

  public void testPutStringWithHighLowSurrogate() {
    assertPutString(
        new char[] {
          HashTestUtils.randomHighSurrogate(new Random()),
          HashTestUtils.randomLowSurrogate(new Random())
        });
  }