1--TEST-- 2Check that SplDoublyLinkedList->isEmpty() returns an error message when a parameter is passed. 3--CREDITS-- 4PHPNW Testfest 2009 - Paul Court ( g@rgoyle.com ) 5--FILE-- 6<?php 7 // Create a new Doubly Linked List 8 $dll = new SplDoublyLinkedList(); 9 10 // Add some items to the list 11 $dll->push(1); 12 $dll->push(2); 13 $dll->push(3); 14 //var_dump($dll); 15 16 var_dump($dll->isEmpty("test")); 17?> 18--EXPECTF-- 19Warning: SplDoublyLinkedList::isEmpty() expects exactly 0 parameters, %d given in %s 20NULL