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 $dll = new SplDoublyLinkedList(); 9 10 var_dump($dll->isEmpty("test")); 11?> 12--EXPECTF-- 13Warning: SplDoublyLinkedList::isEmpty() expects exactly 0 parameters, %d given in %s 14NULL