public void EqualsTest()
{
Vertex v = new Vertex();
Vertex g = new Vertex();
Edge eVV = new Edge(v, v);
Edge eVG = new Edge(v, g);
Edge eGV = new Edge(g, v);
Edge eGG = new Edge(g, g);
Assert.IsTrue(eGG.Equals(eGG));
Assert.IsTrue(eGG.Equals(new Edge(g, g)));
Assert.IsTrue(eVG.Equals(new Edge(v, g)));
Assert.IsTrue(eGG == (new Edge(g, g)));
Assert.IsTrue(eVG == (new Edge(v, g)));
Assert.IsFalse(eGV.Equals(eVG));
Assert.IsTrue(eVG != eGV);
}
//Returns an edge which connects the vertices specified in e
//instead of doing a reference comparison
public Edge FindEdge(Edge e)
{
foreach (Edge edge in edges)
{
if (e.Equals(edge))
{
return edge;
}
}
return null;
}