public void DeepCopy()
{
ClassA original = ClassExtensions.DeepCreate <ClassA>();
original.IntVal = 2;
original.NullIntVal = 2;
original.DateTime = DateTime.Today;
original.NullDateTime = DateTime.MaxValue;
original.IntList.Add(2);
((List <string>)original.StringEnumerable).Add("Two");
((Dictionary <string, int>)original.StringIntDictionary).Add("Two", 2);
original.ChangeReadonlyInt(2);
original.CList.Add(new ClassC(1, original));
original.CList.Add(new ClassC(2, original));
original.CList.Add(new ClassC(3, original));
ClassA copy = original.DeepCopy();
Assert.IsNotNull(copy);
Assert.AreEqual(copy.IntVal, 2);
Assert.AreEqual(copy.NullIntVal, 2);
Assert.AreEqual(copy.DateTime, DateTime.Today);
Assert.AreEqual(copy.NullDateTime, DateTime.MaxValue);
Assert.IsNotNull(copy.IntList);
Assert.AreEqual(copy.IntList.Count, 1);
Assert.AreEqual(copy.IntList[0], 2);
Assert.IsNotNull(copy.StringEnumerable);
Assert.AreEqual(copy.StringEnumerable.Count(), 1);
Assert.AreEqual(copy.StringEnumerable.First(), "Two");
Assert.IsNotNull(copy.CList);
Assert.AreEqual(copy.CList.Count, 3);
Assert.AreEqual(copy.CList[0].IntVal, 1);
Assert.AreEqual(copy.CList[0].Owner, copy);
Assert.AreEqual(copy.CList[1].IntVal, 2);
Assert.AreEqual(copy.CList[1].Owner, copy);
Assert.AreEqual(copy.CList[2].IntVal, 3);
Assert.AreEqual(copy.CList[2].Owner, copy);
Assert.IsNotNull(copy.StringIntDictionary);
Assert.AreEqual(copy.StringIntDictionary.Count, 1);
Assert.AreEqual(copy.StringIntDictionary["Two"], 2);
Assert.AreEqual(copy.ReadOnlyInt, -1);
Assert.IsNotNull(copy.B);
Assert.IsNotNull(copy.B.ClassA);
Assert.AreSame(copy.B.ClassA, copy);
Assert.IsNotNull(copy.B.Owner);
Assert.AreSame(copy.B.Owner, copy);
Assert.IsNotNull(copy.B.Parent);
Assert.AreSame(copy.B.Parent, copy);
Assert.IsNull(copy.B.TheresaMay);
}