assertEquals(0, count, "No iterations should occur for empty iterator");
        }, "EmptyIterator should work with manual iteration");
    }

    @Test
    @DisplayName("EmptyIterator should handle concurrent access safely")
    void testConcurrentAccess() throws InterruptedException, CIFSException {
        // Given
        final int threadCount = 10;
        final Thread[] threads = new Thread[threadCount];

        assertEquals(0, transPeekNamedPipe.writeParametersWireFormat(buffer, 10));
        assertEquals(0, transPeekNamedPipe.writeDataWireFormat(buffer, 20));
    }

    @Test
    @DisplayName("Should handle concurrent access to toString")
    void testToStringConcurrency() throws InterruptedException {
        // Arrange
        transPeekNamedPipe = new TransPeekNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_FID);

import java.nio.file.Path;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.concurrent.CommonPoolUtil;
import org.codelibs.fess.app.pager.BadWordPager;
import org.codelibs.fess.app.service.BadWordService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.admin.badword.UploadForm;

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2;

import java.security.GeneralSecurityException;
import java.security.MessageDigest;
import java.util.concurrent.locks.ReentrantLock;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.internal.CommonServerMessageBlock;

        assertThrows(SmbException.class, () -> tree.send(request, response));
    }

    @Test
    void testTreeConnectWithWaitInterrupted() throws Exception {
        // Create a tree and simulate concurrent connection attempt
        SmbTree tree = new SmbTree(session, "testShare", "testService");

        // Mock transport.connect() to throw RuntimeException wrapping InterruptedException

import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.io.CloseableUtil;

package jcifs.smb;

import java.io.IOException;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.Locale;
import java.util.Objects;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.atomic.AtomicLong;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.DfsReferralData;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
import java.util.stream.Collectors;

import org.apache.commons.text.StringEscapeUtils;
import org.apache.logging.log4j.LogManager;

package org.codelibs.fess.crawler.client;

import static org.codelibs.core.stream.StreamUtil.split;

import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;

import org.apache.commons.lang3.RandomUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.nio.file.Path;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.concurrent.CommonPoolUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.ElevateWordPager;
import org.codelibs.fess.app.service.ElevateWordService;