public void CalculateEdgeInWeight() {
var graph = new Graph();
var nodes = new[] {new Node(), new Node(), new Node(), new Node(), new Node(), new Node() };
nodes[0].Code = "1";
nodes[1].Code = "2";
nodes[2].Code = "3";
nodes[3].Code = "4";
nodes[4].Code = "5";
nodes[5].Code = "6";
foreach (var node in nodes) {
graph.AddNode(node);
}
var edge1to2 = Edge.Create(nodes[0].Code, nodes[1].Code);
var edge2to3 = Edge.Create(nodes[1].Code, nodes[2].Code);
var edge6to3 = Edge.Create(nodes[5].Code, nodes[2].Code);
var edge4to5 = Edge.Create(nodes[3].Code, nodes[4].Code);
var edge5to3 = Edge.Create(nodes[4].Code, nodes[2].Code);
graph.AddEdge(edge1to2);
graph.AddEdge(edge2to3);
graph.AddEdge(edge6to3);
graph.AddEdge(edge4to5);
graph.AddEdge(edge5to3);
var ws = graph.CalculateWeight();
var zeros = ws.Count(_ => _.Value == 0);
var fives = ws.Count(_ => _.Value == 5);
var ones = ws.Count(_ => _.Value == 1);
Assert.AreEqual(7, ws.Sum(_ => _.Value));
Assert.AreEqual(3, zeros);
Assert.AreEqual(2, ones);
Assert.AreEqual(1, fives);
foreach (var w in ws) {
Debug.Print(w.Key + " = " + w.Value);
}
}
public void CalculateEdgeInWeightWithRecycles() {
var graph = new Graph();
var nodes = new[] { new Node(), new Node(), new Node(), new Node(), new Node(), new Node() };
nodes[0].Code = "1";
nodes[1].Code = "2";
nodes[2].Code = "3";
nodes[3].Code = "4";
nodes[4].Code = "5";
nodes[5].Code = "6";
foreach (var node in nodes) {
graph.AddNode(node);
}
var edge3to1 = Edge.Create(nodes[2].Code, nodes[0].Code);
var edge1to2 = Edge.Create(nodes[0].Code, nodes[1].Code);
var edge2to3 = Edge.Create(nodes[1].Code, nodes[2].Code);
var edge6to3 = Edge.Create(nodes[5].Code, nodes[2].Code);
var edge4to5 = Edge.Create(nodes[3].Code, nodes[4].Code);
var edge5to3 = Edge.Create(nodes[4].Code, nodes[2].Code);
graph.AddEdge(edge3to1);
graph.AddEdge(edge1to2);
graph.AddEdge(edge2to3);
graph.AddEdge(edge6to3);
graph.AddEdge(edge4to5);
graph.AddEdge(edge5to3);
var ws = graph.CalculateWeight();
Assert.AreEqual(3, ws.Count(_ => _.Value == 1));
Assert.AreEqual(1, ws.Count(_ => _.Value == 3));
Assert.AreEqual(6, ws.Sum(_ => _.Value));
foreach (var w in graph.CalculateWeight()) {
Debug.Print(w.Key + " = " + w.Value);
}
}