public void TopologicalTest4()
{
var graf = new Graf<char>();
var bVertex = new Vertex<char>('b');
var cVertex = new Vertex<char>('c');
var dVertex = new Vertex<char>('d');
var aVertex = new Vertex<char>('a');
var iVertex = new Vertex<char>('i');
var eVertex = new Vertex<char>('e');
var hVertex = new Vertex<char>('h');
var gVertex = new Vertex<char>('g');
var fVertex = new Vertex<char>('f');
aVertex.AddUnDirectedEdge(4, bVertex);
bVertex.AddUnDirectedEdge(8, cVertex);
cVertex.AddUnDirectedEdge(7, dVertex);
dVertex.AddUnDirectedEdge(9, eVertex);
dVertex.AddUnDirectedEdge(14, fVertex);
eVertex.AddUnDirectedEdge(10, fVertex);
aVertex.AddUnDirectedEdge(8, hVertex);
bVertex.AddUnDirectedEdge(11, hVertex);
cVertex.AddUnDirectedEdge(2, iVertex);
cVertex.AddUnDirectedEdge(4, fVertex);
iVertex.AddUnDirectedEdge(7, hVertex);
iVertex.AddUnDirectedEdge(6, gVertex);
hVertex.AddUnDirectedEdge(1, gVertex);
gVertex.AddUnDirectedEdge(2, fVertex);
graf.AddVertex(aVertex);
graf.AddVertex(bVertex);
graf.AddVertex(cVertex);
graf.AddVertex(dVertex);
graf.AddVertex(iVertex);
graf.AddVertex(eVertex);
graf.AddVertex(hVertex);
graf.AddVertex(gVertex);
graf.AddVertex(fVertex);
var components = graf.GetStronglyConnectedComponentsWithUnions();
Assert.Equal(1, components.Count);
}
