public void IsolatedGraph(bool value) { Graph graph = new MatrixGraph(10, true); graph.AddEdge(0, 9, 10); graph.AddEdge(2, 0, 5); Graph isolatedGraph = graph.IsolatedGraph(value); Assert.Equal(10, isolatedGraph.VerticesCount); Assert.Equal(value, isolatedGraph.Directed); Assert.Equal(0, isolatedGraph.EdgesCount); }