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--TEST--
Check that SplDoublyLinkedList->isEmpty() returns an error message when a parameter is passed.
--CREDITS--
PHPNW Testfest 2009 - Paul Court ( g@rgoyle.com )
--FILE--
<?php
// Create a new Doubly Linked List
$dll = new SplDoublyLinkedList();
var_dump($dll->isEmpty("test"));
?>
--EXPECTF--
Warning: SplDoublyLinkedList::isEmpty() expects exactly 0 parameters, %d given in %s
NULL
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