public void EdgesComparerTests()
{
var v11 = new Vertex("A");
var v21 = new Vertex("B");
var v12 = new Vertex("A");
var v22 = new Vertex("B");
var dirEdge1 = new DirectedEdge(v11, v21);
var dirEdge2 = new DirectedEdge(v12, v22);
var dirEdge3 = new DirectedEdge(v11, v22);
var dirEdge4 = new DirectedEdge(v21, v11);
var dirEdge5 = new DirectedEdge(v11, v11);
var undirEdge1 = new UndirectedEdge(v11, v21);
var undirEdge2 = new UndirectedEdge(v12, v22);
var undirEdge3 = new UndirectedEdge(v11, v22);
var undirEdge4 = new UndirectedEdge(v21, v11);
var undirEdge5 = new UndirectedEdge(v11, v11);
Assert.IsTrue(dirEdge1.Equals(dirEdge2));
Assert.IsTrue(dirEdge1.Equals(dirEdge3));
Assert.IsTrue(undirEdge1.Equals(undirEdge2));
Assert.IsTrue(undirEdge1.Equals(undirEdge3));
Assert.IsFalse(dirEdge1.Equals(undirEdge1));
Assert.IsFalse(dirEdge1.Equals(dirEdge4));
Assert.IsTrue(undirEdge1.Equals(undirEdge4));
Assert.IsFalse(dirEdge1.Equals(dirEdge5));
Assert.IsFalse(undirEdge1.Equals(undirEdge5));
}
public void Equals()
{
var edge1 = new UndirectedEdge <int>(1, 2);
var edge2 = new UndirectedEdge <int>(1, 2);
Assert.AreEqual(edge1, edge1);
Assert.AreNotEqual(edge1, edge2);
Assert.AreNotEqual(edge2, edge1);
Assert.IsFalse(edge1.Equals(edge2));
Assert.IsFalse(edge2.Equals(edge1));
Assert.AreNotEqual(null, edge1);
Assert.IsFalse(edge1.Equals(null));
}