TimeTrex Community Edition v16.2.0

vendor/pear/structures_graph/tests/AcyclicTestTest.php

@@ -0,0 +1,49 @@
+<?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'
+        );
+    }
+}
+?>