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

    public function testEdgesFailEdgeless()
    {
        // 1 -> 2
        $graph = new Graph();
        $v1 = $graph->createVertex(1);
        $v2 = $graph->createVertex(2);
        $e1 = $v1->createEdgeTo($v2);
        $e2 = $v1->createEdgeTo($v2);
        $graphCloneEdgeless = $graph->createGraphCloneEdgeless();
        // nothing to return
        $graphCloneEdgeless->getEdgeClone($e1);
    }