public void Create_Graph_With_6_Nodes_Add_Another_Node_Add_Link_From_5To6_Assert_AreLinked_ZeroToOne()
{
var graph = new GraphAdjList(new int[] { 0, 1, 2, 3, 4, 5 });
Assert.AreEqual(6, graph.NumberOfVertices);
graph.AddVertex();
graph.AddDirectedEdge(5, 6);
var neighbours = graph.GetNeighbours(5);
Assert.AreEqual(6, neighbours[0]);
}
public void Create_Graph_With_7_Nodes_One_At_A_Time()
{
var graph = new GraphAdjList(new int[] { 0 });
graph.AddVertex();
graph.AddVertex();
graph.AddVertex();
graph.AddDirectedEdge(1, 2);
graph.AddDirectedEdge(2, 0);
graph.AddVertex();
graph.AddDirectedEdge(0, 3);
graph.AddVertex();
graph.AddDirectedEdge(3, 4);
graph.AddVertex();
graph.AddDirectedEdge(5, 4);
graph.AddVertex();
graph.AddDirectedEdge(6, 5);
graph.AddDirectedEdge(6, 4);
var zerosNeighbours = graph.GetNeighbours(0);
var onesNeighbours = graph.GetNeighbours(1);
var twosNeighbours = graph.GetNeighbours(2);
var threessNeighbours = graph.GetNeighbours(3);
var foursNeighbours = graph.GetNeighbours(4);
var fivesNeighbours = graph.GetNeighbours(5);
var sixsNeighbours = graph.GetNeighbours(6);
Assert.AreEqual(3, zerosNeighbours[0]);
Assert.IsTrue(sixsNeighbours.Contains(5));
Assert.IsTrue(sixsNeighbours.Contains(4));
Assert.IsTrue(onesNeighbours.Contains(2));
Assert.IsTrue(twosNeighbours.Contains(0));
Assert.IsTrue(threessNeighbours.Contains(4));
Assert.IsTrue(foursNeighbours.Count == 0);
Assert.IsTrue(fivesNeighbours.Contains(4));
}