Edit File: link_006.phpt
--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