public void Hashcode()
{
var wrappedEdge = new Edge <int>(1, 2);
var edge1 = new SReversedEdge <int, Edge <int> >(wrappedEdge);
var edge2 = new SReversedEdge <int, Edge <int> >(wrappedEdge);
var edge3 = new SReversedEdge <int, Edge <int> >(new Edge <int>(1, 2));
var edge4 = new SReversedEdge <int, Edge <int> >(new Edge <int>(2, 1));
Assert.AreEqual(edge1.GetHashCode(), edge2.GetHashCode());
Assert.AreNotEqual(edge1.GetHashCode(), edge3.GetHashCode());
Assert.AreNotEqual(edge1.GetHashCode(), edge4.GetHashCode());
}
public void HashcodeDefaultEdge_ReferenceTypeExtremities()
{
var edge1 = default(SReversedEdge <int, Edge <int> >);
var edge2 = new SReversedEdge <int, Edge <int> >();
Assert.AreEqual(edge1.GetHashCode(), edge2.GetHashCode());
}
public void SReversedEdgeTestEverything()
{
var originalEdge1 = new SEquatableEdge <int>(0, 1);
var reversedEdge1 = new SReversedEdge <int, SEquatableEdge <int> >(originalEdge1);
Assert.AreEqual(1, reversedEdge1.Source);
Assert.AreEqual(0, reversedEdge1.Target);
Assert.AreEqual(String.Format("R({0}->{1})", 0, 1), reversedEdge1.ToString());
//equatable parts
var originalEdge2 = new SEquatableEdge <int>(2, 3);
var reversedEdge2 = new SReversedEdge <int, SEquatableEdge <int> >(originalEdge2);
Assert.IsFalse(reversedEdge1.Equals(reversedEdge2));
Assert.IsFalse(reversedEdge1.Equals(1));
Assert.IsFalse(reversedEdge1 == reversedEdge2);
Assert.IsTrue(reversedEdge1 != reversedEdge2);
Assert.IsFalse(reversedEdge1.GetHashCode() == reversedEdge2.GetHashCode());
}
