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

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

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

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

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

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

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

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