for (int j = 0; j < 10; j++) {
                assertTrue("Thread " + i + " should find doc" + j, containsResults[i][j]);
            }
        }
    }

    /**
     * Test that clear operation on deleteUrlList is thread-safe.
     */
    @Test
    public void test_deleteUrlList_clearOperation() throws Exception {
        IndexUpdateCallback mockCallback = new IndexUpdateCallback() {

(_Please use [discuss.codelibs.org](https://discuss.codelibs.org/c/FessEN/8) before filing a bug._)

**Describe the bug**
A clear and concise description of what the bug is.

**To Reproduce**
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**

    public String createdTime;

    /** The version number for optimistic locking. */
    public String versionNo;

    /**
     * Clears all pagination and search criteria fields, resetting them to their default values.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;
        existNextPage = false;
        pageSize = getDefaultPageSize();

import org.codelibs.fess.unit.UnitFessTestCase;

public class SynonymPagerTest extends UnitFessTestCase {

    public void test_SynonymPager() {
        SynonymPager synonymPager = new SynonymPager();

        synonymPager.clear();
        assertEquals(0, synonymPager.getAllRecordCount());
        assertEquals(0, synonymPager.getAllPageCount());
        assertEquals(false, synonymPager.isExistPrePage());

public class LabelTypePagerTest extends UnitFessTestCase {

    public void test_LabelTypePager() {
        LabelTypePager labelTypePager = new LabelTypePager();

        labelTypePager.clear();
        assertEquals(0, labelTypePager.getAllRecordCount());
        assertEquals(0, labelTypePager.getAllPageCount());
        assertEquals(false, labelTypePager.isExistPrePage());

public class RelatedContentPagerTest extends UnitFessTestCase {

    public void test_RelatedContentPager() {
        RelatedContentPager relatedContentPager = new RelatedContentPager();

        relatedContentPager.clear();
        assertEquals(0, relatedContentPager.getAllRecordCount());
        assertEquals(0, relatedContentPager.getAllPageCount());
        assertEquals(false, relatedContentPager.isExistPrePage());

public class RoleTypePagerTest extends UnitFessTestCase {

    public void test_RoleTypePager() {
        RoleTypePager roleTypePager = new RoleTypePager();

        roleTypePager.clear();
        assertEquals(0, roleTypePager.getAllRecordCount());
        assertEquals(0, roleTypePager.getAllPageCount());
        assertEquals(false, roleTypePager.isExistPrePage());

public class KeyMatchPagerTest extends UnitFessTestCase {

    public void test_KeyMatchPager() {
        KeyMatchPager keyMatchPager = new KeyMatchPager();

        keyMatchPager.clear();
        assertEquals(0, keyMatchPager.getAllRecordCount());
        assertEquals(0, keyMatchPager.getAllPageCount());
        assertEquals(false, keyMatchPager.isExistPrePage());

import org.codelibs.fess.unit.UnitFessTestCase;

public class RolePagerTest extends UnitFessTestCase {

    public void test_RolePager() {
        RolePager rolePager = new RolePager();

        rolePager.clear();
        assertEquals(0, rolePager.getAllRecordCount());
        assertEquals(0, rolePager.getAllPageCount());
        assertEquals(false, rolePager.isExistPrePage());
        assertEquals(false, rolePager.isExistNextPage());

public class SearchLogPagerTest extends UnitFessTestCase {

    public void test_SearchLogPager() {
        SearchLogPager searchLogPager = new SearchLogPager();

        searchLogPager.clear();
        assertEquals(0, searchLogPager.getAllRecordCount());
        assertEquals(0, searchLogPager.getAllPageCount());
        assertEquals(false, searchLogPager.isExistPrePage());