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

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

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

        assertTrue(badwordpager.isExistPrePage());
        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());

        assertTrue(boostdocpager.isExistPrePage());
        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());

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

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

            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the page size.
     *
     * @param pageSize The page size.
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**
     * Returns the current page number.
     *
     * @return The current page number.
     */

        }
        return pageSize;
    }

    /**
     * Sets the page size.
     *
     * @param pageSize The number of records per page
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**
     * Gets the current page number.
     *
     * @return The current page number
     */

        }
        return pageSize;
    }

    /**
     * Sets the number of records to display per page.
     *
     * @param pageSize the page size to set
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**
     * Gets the current page number being displayed.
     * If not set or invalid, returns the default current page number.
     *