Fhaculty\Graph\Tests\GraphTest::testCreateMultigraph PHP Method

    public function testCreateMultigraph()
    {
        $graph = new Graph();
        $v1 = $graph->createVertex(1);
        $v2 = $graph->createVertex(2);
        $e1 = $v1->createEdge($v2);
        $e2 = $v1->createEdge($v2);
        $this->assertEquals(2, count($graph->getEdges()));
        $this->assertEquals(2, count($v1->getEdges()));
        $this->assertEquals(array(2, 2), $v1->getVerticesEdge()->getIds());
    }