1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
<?php
require_once dirname(__FILE__) . '/helper.inc';
require_once 'Structures/Graph/Manipulator/AcyclicTest.php';
class AcyclicTestTest extends PHPUnit_Framework_TestCase
{
public function testIsAcyclicFalse()
{
$graph = new Structures_Graph();
$node1 = new Structures_Graph_Node();
$graph->addNode($node1);
$node2 = new Structures_Graph_Node();
$graph->addNode($node2);
$node1->connectTo($node2);
$node3 = new Structures_Graph_Node();
$graph->addNode($node3);
$node2->connectTo($node3);
$node3->connectTo($node1);
$this->assertFalse(
Structures_Graph_Manipulator_AcyclicTest::isAcyclic($graph),
'Graph is cyclic'
);
}
public function testIsAcyclicTrue()
{
$graph = new Structures_Graph();
$node1 = new Structures_Graph_Node();
$graph->addNode($node1);
$node2 = new Structures_Graph_Node();
$graph->addNode($node2);
$node1->connectTo($node2);
$node3 = new Structures_Graph_Node();
$graph->addNode($node3);
$node2->connectTo($node3);
$this->assertTrue(
Structures_Graph_Manipulator_AcyclicTest::isAcyclic($graph),
'Graph is acyclic'
);
}
}
?>
|
