Fhaculty\Graph\Tests\GraphTest::testGraphCloneEdgeless PHP Метод

    public function testGraphCloneEdgeless()
    {
        $graph = new Graph();
        $graph->createVertex(1)->createEdgeTo($graph->createVertex(2));
        $graph->createVertex(3)->createEdge($graph->getVertex(2));
        $graphEdgeless = $graph->createGraphCloneEdgeless();
        $graphExpected = new Graph();
        $graphExpected->createVertex(1);
        $graphExpected->createVertex(2);
        $graphExpected->createVertex(3);
        $this->assertGraphEquals($graphExpected, $graphEdgeless);
    }