public function testPaginationRange()
 {
     $range = 10;
     // page navigatin window
     $this->GenerateDummyData(100);
     $p = new Pagination($this->dummy, count($this->dummy));
     $p->setPageRange($range);
     $p->setItemNumberPerPage(10);
     $p->setCurrentPageNumber(5);
     // page index value ('values' for this page are being displayed)
     $r = $p->getPaginationData();
     $this->assertTrue(max($r['pagesInRange']) - min($r['pagesInRange']) + 1 == $range);
 }