public void ToArrayTestCase() { int[] expected = new int[] { 1, 2, 3, 4 }; AddStuff(); int[] array = skiplist.ToArray(); CollectionAssert.AreEqual(expected, array, "#1"); Array.Clear(array, 0, array.Length); skiplist.CopyTo(array, 0); CollectionAssert.AreEqual(expected, array, "#2"); }