public void Copy() { const int Items = 10; for (int i = 0; i < Items; i++) { intColA.Add(i); } intColB.CopyFrom(intColA); for (int i = 0; i < intColA.Count; i++) { Assert.AreEqual(intColA[i], intColB[i]); } //test enumerator var enumer = intColA.GetEnumerator(); var index = 0; while (enumer.MoveNext()) { Assert.AreEqual(enumer.Current, intColB[index++]); } intColB.Clear(); intColB.Add(intColA); for (int i = 0; i < intColA.Count; i++) { Assert.AreEqual(intColA[i], intColB[i]); } intColB.Clear(); int[] copyDest = new int[intColA.Count]; intColA.CopyTo(copyDest, 0); for (int i = 0; i < intColA.Count; i++) { Assert.AreEqual(intColA[i], copyDest[i]); } //now back again intColA.Clear(); intColA.CopyFrom(copyDest); for (int i = 0; i < intColA.Count; i++) { Assert.AreEqual(intColA[i], copyDest[i]); } //now lists intColA.Clear(); intColA.CopyFrom(copyDest.ToList()); for (int i = 0; i < intColA.Count; i++) { Assert.AreEqual(intColA[i], copyDest[i]); } intColA.Clear(); intColB.Clear(); }