public void Equals()
{
var edge1 = default(SUndirectedEdge <int>);
var edge2 = new SUndirectedEdge <int>(0, 0);
var edge3 = new SUndirectedEdge <int>(1, 2);
var edge4 = new SUndirectedEdge <int>(1, 2);
var edge5 = new SUndirectedEdge <int>(2, 1);
Assert.AreEqual(edge1, edge1);
Assert.AreEqual(edge1, edge2); // Is equatable
Assert.AreEqual(edge2, edge1); // Is equatable
Assert.IsTrue(edge1.Equals(edge2)); // Is equatable
Assert.IsTrue(edge2.Equals(edge1)); // Is equatable
Assert.AreNotEqual(edge1, edge3);
Assert.AreNotEqual(edge3, edge1);
Assert.IsFalse(edge1.Equals(edge3));
Assert.IsFalse(edge3.Equals(edge1));
Assert.AreEqual(edge3, edge4);
Assert.AreEqual(edge4, edge3);
Assert.IsTrue(edge3.Equals(edge4));
Assert.IsTrue(edge4.Equals(edge3));
Assert.AreNotEqual(edge3, edge5);
Assert.AreNotEqual(edge5, edge3);
Assert.IsFalse(edge3.Equals(edge5));
Assert.IsFalse(edge5.Equals(edge3));
Assert.AreNotEqual(edge1, null);
Assert.IsFalse(edge1.Equals(null));
}
public void EqualsDefaultEdge_ReferenceTypeExtremities()
{
var edge1 = default(SUndirectedEdge <int>);
var edge2 = new SUndirectedEdge <int>();
Assert.AreEqual(edge1, edge2);
Assert.AreEqual(edge2, edge1);
Assert.IsTrue(edge1.Equals(edge2));
Assert.IsTrue(edge2.Equals(edge1));
}