public void TestContractingEdges()
{
var graph = new AmortizedGraph <Char>((oldEdge, newEdge) => oldEdge > newEdge);
var a = new CharAmortizedNode('A');
var b = new CharAmortizedNode('B');
graph.AddNode(a);
graph.AddNode(b);
graph.AddUndirectedEdge(a, b, 10);
Assert.AreEqual(10, a.Cost(b));
graph.UpdateUndirectedEdge(a, b, 20);
Assert.AreEqual(10, a.Cost(b));
graph.UpdateUndirectedEdge(a, b, 6);
Assert.AreEqual(8, a.Cost(b));
}
public void TestEveryEdge()
{
var graph = new AmortizedGraph <Char>((oldEdge, newEdge) => true);
var a = new CharAmortizedNode('A');
var b = new CharAmortizedNode('B');
graph.AddNode(a);
graph.AddNode(b);
graph.AddUndirectedEdge(a, b, 10);
Assert.AreEqual(10, a.Cost(b));
graph.UpdateUndirectedEdge(a, b, 20);
Assert.AreEqual(15, a.Cost(b));
graph.UpdateUndirectedEdge(a, b, 6);
Assert.AreEqual(12, a.Cost(b));
}