public void Day16_CheckTransform() { string state0 = "abcdefghijklmnop"; var rows = DataTools.ReadAllLines(pathdata); var cmds0 = rows[0].Split(new char[] { ',' }); List <Command> cmds = new List <Command>(); foreach (var cmd0 in cmds0) { cmds.Add(Command.CreateCmd(cmd0)); } var chars0 = state0.ToCharArray(); var chars1 = state0.ToCharArray(); foreach (var cmd in cmds) { chars1 = sut.ProcessCmd(chars1, 16, cmd); } string state1 = string.Join(string.Empty, chars1); Assert.AreEqual("jkmflcgpdbonihea", state1); char[] charsn = new char[16]; chars0.CopyTo(charsn, 0); charsn = sut.TransformX(chars0, chars1, charsn, 16); state1 = string.Join(string.Empty, charsn); Assert.AreEqual("jkmflcgpdbonihea", state1); }