@Override
            public int size() {
                return 0;
            }
        };
        qrList.calculatePageInfo();
        assertEquals(20, qrList.getPageSize());
        assertEquals(1, qrList.getCurrentPageNumber());
        assertEquals(0, qrList.getAllRecordCount());
        assertEquals(1, qrList.getAllPageCount());
        assertEquals(false, qrList.isExistPrevPage());

                assertEquals(1, list.getCurrentPageNumber());
                assertEquals(1, list.getCurrentStartRecordNumber());
                assertEquals(0, list.getOffset());
                assertEquals(10, list.getPageSize());
                assertEquals(0, list.getStart());
                assertEquals("0", list.get(0).get(ID_FIELD));
                assertEquals("9", list.get(9).get(ID_FIELD));
            } else {
                fail();

        assertTrue(crawlinginfopage.isExistNextPage());
        crawlinginfopage.setPageSize(0);
        assertEquals(25, crawlinginfopage.getPageSize());
        crawlinginfopage.setPageSize(999);
        assertEquals(999, crawlinginfopage.getPageSize());
        crawlinginfopage.setCurrentPageNumber(0);
        assertEquals(1, crawlinginfopage.getCurrentPageNumber());
        crawlinginfopage.setCurrentPageNumber(999);

        boostdocpager.setExistNextPage(true);
        assertTrue(boostdocpager.isExistNextPage());
        boostdocpager.setPageSize(0);
        assertEquals(25, boostdocpager.getPageSize());
        boostdocpager.setPageSize(999);
        assertEquals(999, boostdocpager.getPageSize());
        boostdocpager.setCurrentPageNumber(0);
        assertEquals(1, boostdocpager.getCurrentPageNumber());
        boostdocpager.setCurrentPageNumber(999);

        final EsPagingResultBean<?> list;
        if (SearchLogPager.LOG_TYPE_USERINFO.equalsIgnoreCase(pager.logType)) {
            list = (EsPagingResultBean<?>) userInfoBhv.selectPage(cb -> {
                cb.paging(pager.getPageSize(), pager.getCurrentPageNumber());
                cb.query().addOrderBy_UpdatedAt_Desc();
                createUserInfoCondition(pager, cb);
            });

        assertEquals(20, itemList1.getPageSize());

        final PagingList<StemmerOverrideItem> itemList2 = stemmerOverrideFile.selectList(2, 2);
        assertEquals(1, itemList2.size());
        assertEquals(3, itemList2.getAllRecordCount());
        assertEquals(2, itemList2.getCurrentPageNumber());
        assertEquals(2, itemList2.getPageSize());

        assertTrue(dataconfigpager.isExistNextPage());
        dataconfigpager.setPageSize(0);
        assertEquals(25, dataconfigpager.getPageSize());
        dataconfigpager.setPageSize(999);
        assertEquals(999, dataconfigpager.getPageSize());
        dataconfigpager.setCurrentPageNumber(0);
        assertEquals(1, dataconfigpager.getCurrentPageNumber());
        dataconfigpager.setCurrentPageNumber(999);

        assertTrue(duplicatehostpager.isExistNextPage());
        duplicatehostpager.setPageSize(0);
        assertEquals(25, duplicatehostpager.getPageSize());
        duplicatehostpager.setPageSize(999);
        assertEquals(999, duplicatehostpager.getPageSize());
        duplicatehostpager.setCurrentPageNumber(0);
        assertEquals(1, duplicatehostpager.getCurrentPageNumber());

        assertTrue(charmappingpager.isExistNextPage());
        charmappingpager.setPageSize(0);
        assertEquals(25, charmappingpager.getPageSize());
        charmappingpager.setPageSize(999);
        assertEquals(999, charmappingpager.getPageSize());
        charmappingpager.setCurrentPageNumber(0);
        assertEquals(1, charmappingpager.getCurrentPageNumber());
        charmappingpager.setCurrentPageNumber(999);

        assertTrue(accesstokenpager.isExistNextPage());
        accesstokenpager.setPageSize(0);
        assertEquals(25, accesstokenpager.getPageSize());
        accesstokenpager.setPageSize(999);
        assertEquals(999, accesstokenpager.getPageSize());
        accesstokenpager.setCurrentPageNumber(0);
        assertEquals(1, accesstokenpager.getCurrentPageNumber());
        accesstokenpager.setCurrentPageNumber(999);