Edit: single_link_001.phpt
--TEST-- single_link_001: Test linked list constructed with an initial link --FILE-- <?php $dir = dirname(__FILE__); require 'Structures/LinkedList/Single.php'; require 'SingleLinkTester.php'; $xyy = new Structures_LinkedList_Single($tester1); $xyy->appendNode($tester2); $xyy->appendNode($tester3); $xyy->appendNode($tester4); $link = $xyy->current(); print "Current: " . $link->getNumb() . "\n"; print "While: "; // test iteration with while() do { print $link->getNumb(); } while ($link = $xyy->next()); print "\nRewind: "; $link = $xyy->rewind(); print $link->getNumb(); print "\n"; print "Foreach: "; // test foreach() iteration foreach ($xyy as $bull) { print $bull->getNumb(); } print "\nEnd: "; $link = $xyy->end(); print $link->getNumb(); print "\n"; print "While (in reverse): "; // test iteration with while() do { print $link->getNumb(); } while ($link = $xyy->previous()); ?> --EXPECT-- Current: 1 While: 1234 Rewind: 1 Foreach: 1234 End: 4 While (in reverse): 4321
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