public function testNextLink()
 {
     $list = new PaginatedList(new ArrayList());
     $list->setTotalItems(50);
     $this->assertContains('start=10', $list->NextLink());
     $list->setCurrentPage(2);
     $this->assertContains('start=20', $list->NextLink());
     $list->setCurrentPage(3);
     $this->assertContains('start=30', $list->NextLink());
     $list->setCurrentPage(4);
     $this->assertContains('start=40', $list->NextLink());
     $list->setCurrentPage(5);
     $this->assertNull($list->NextLink());
     // Disable paging
     $list->setCurrentPage(1);
     $list->setPageLength(0);
     $this->assertNull($list->NextLink());
 }