assertEquals(1, qrList.getCurrentPageNumber());
        assertTrue(qrList.isExistNextPage());
        assertFalse(qrList.isExistPrevPage());
    }

    @Test
    public void test_calculatePageInfo_pageNumberList_edgeCases() {
        // Test when current page is at the beginning
        QueryResponseList qrList = new QueryResponseList(null, 0, 10, 0) {
            @Override
            public int size() {