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<?php
require_once dirname(__FILE__) . '/helper.inc';
require_once 'Structures/Graph/Manipulator/TopologicalSorter.php';
class TopologicalSorterTest extends PHPUnit_Framework_TestCase
{
public function testSort()
{
$graph = new Structures_Graph();
$name1 = 'node1';
$node1 = new Structures_Graph_Node();
$node1->setData($name1);
$graph->addNode($node1);
$name11 = 'node11';
$node11 = new Structures_Graph_Node();
$node11->setData($name11);
$graph->addNode($node11);
$node1->connectTo($node11);
$name12 = 'node12';
$node12 = new Structures_Graph_Node();
$node12->setData($name12);
$graph->addNode($node12);
$node1->connectTo($node12);
$name121 = 'node121';
$node121 = new Structures_Graph_Node();
$node121->setData($name121);
$graph->addNode($node121);
$node12->connectTo($node121);
$name2 = 'node2';
$node2 = new Structures_Graph_Node();
$node2->setData($name2);
$graph->addNode($node2);
$name21 = 'node21';
$node21 = new Structures_Graph_Node();
$node21->setData($name21);
$graph->addNode($node21);
$node2->connectTo($node21);
$nodes = Structures_Graph_Manipulator_TopologicalSorter::sort($graph);
$this->assertCount(2, $nodes[0]);
$this->assertEquals('node1', $nodes[0][0]->getData());
$this->assertEquals('node2', $nodes[0][1]->getData());
$this->assertCount(3, $nodes[1]);
$this->assertEquals('node11', $nodes[1][0]->getData());
$this->assertEquals('node12', $nodes[1][1]->getData());
$this->assertEquals('node21', $nodes[1][2]->getData());
$this->assertCount(1, $nodes[2]);
$this->assertEquals('node121', $nodes[2][0]->getData());
}
}
?>