1--TEST-- 2Check that SplDoublyLinkedList->offsetUnset() returns an error message when the offset is < 0. 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 15 try { 16 $dll->offsetUnset(-1); 17 } 18 catch (Exception $e) { 19 echo $e->getMessage() . "\n"; 20 } 21?> 22--EXPECT-- 23SplDoublyLinkedList::offsetUnset(): Argument #1 ($index) is out of range 24