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--TEST--
link_006: Corner case: add a node before the root
--FILE--
<?php
$dir = dirname(__FILE__);
require 'Structures/LinkedList/Double.php';
require 'LinkTester.php';
$xyy = new Structures_LinkedList_Double();
$xyy->prependNode($tester1);
$xyy->appendNode($tester2);
$xyy->appendNode($tester3);
$xyy->insertNode($tester4, $tester2, true);
// Ensure we can increment the current node without messing up the list
print "\nCurrent: " . $xyy->current()->getNumb() . "\n";
$link = $xyy->next();
print "Current: " . $link->getNumb() . "\n";
$xyy->insertNode($tester5, $tester1, true);
print "\n";
$link = $xyy->current();
print "Current: " . $link->getNumb();
print "\n\nWhile: ";
// test iteration with while()
$link = $xyy->rewind();
do {
print $link->getNumb();
} while ($link = $xyy->next());
print "\n\nForeach: ";
// test foreach() iteration
foreach ($xyy as $bull) {
print $bull->getNumb();
}
?>
--EXPECT--
Current: 1
Current: 4
Current: 4
While: 51423
Foreach: 51423