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

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

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

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

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

            @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());

        pager.setAllPageCount(1);
        pager.setAllRecordCount(size);
        pager.setCurrentPageNumber(1);
        pager.setExistNextPage(false);
        pager.setExistPrePage(false);
        pager.setPageSize(pager.getPageSize());
    }

    /**
     * Creates search conditions for search log queries based on pager criteria.
     *
     * @param pager The search log pager containing filter criteria

     */
    @Override
    protected SearchResult search(final String query, final SearchRequestParams params, final OptionalThing<FessUserBean> userBean) {
        final int pageSize = params.getPageSize();
        LaRequestUtil.getOptionalRequest().ifPresent(request -> {
            request.setAttribute(Constants.REQUEST_PAGE_SIZE, pageSize);
        });

        DictionaryFile.PagingList<StopwordsItem> result = stopwordsFile.selectList(0, 2);
        assertEquals(2, result.size());
        assertEquals(1, result.getCurrentPageNumber());
        assertEquals(2, result.getPageSize());
        assertEquals(5, result.getAllRecordCount());
        assertEquals(3, result.getAllPageCount());
        assertEquals(1, result.getCurrentPageNumber());
    }

    @Test

                final SearchHelper searchHelper = ComponentUtil.getSearchHelper();
                final SearchForm params = new SearchForm() {
                    @Override
                    public int getPageSize() {
                        return 0;
                    }

                    @Override
                    public int getStartPosition() {
                        return 0;
                    }