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--TEST--
link_001: Test linked list constructed with an initial link
--FILE--
<?php
$dir = dirname(__FILE__);
require 'Structures/LinkedList/Double.php';
require 'LinkTester.php';
$xyy = new Structures_LinkedList_Double($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