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--TEST--
SPL: DoublyLinkedList: insert operations
--FILE--
<?php
$dll = new SplDoublyLinkedList();
// errors
try {
$dll->add(2,5);
} catch (OutOfRangeException $e) {
echo "Exception: ".$e->getMessage()."\n";
}
$dll->add(0,6); // 6
$dll->add(0,3); // 3 6
// Insert in the middle of the DLL
$dll->add(1,4); // 3 4 6
$dll->add(2,5); // 3 4 5 6
$dll->unshift(2); // 2 3 5 4 6
// Insert at the beginning and end of the DLL
$dll->add(0,1); // 1 2 3 4 5 6
$dll->add(6,7); // 1 2 3 4 5 6 7
echo count($dll)."\n";
echo $dll->pop()."\n";
echo $dll->pop()."\n";
echo $dll->pop()."\n";
echo $dll->pop()."\n";
echo $dll->pop()."\n";
echo $dll->pop()."\n";
echo $dll->pop()."\n";
?>
===DONE===
<?php exit(0); ?>
--EXPECTF--
Exception: Offset invalid or out of range
7
7
6
5
4
3
2
1
===DONE===