public void BasicDecodeTest()
        {
            var message  = "HENTEIDTLAEAPMRCMUAK";
            var expected = "HELPMEIAMUNDERATTACK";
            var actual   = Scytale.Decode(message, 4);

            Assert.That(actual, Is.EqualTo(expected));
        }
 public string TestFailingDecodeTests(string message, int rowSize) => Scytale.Decode(message, rowSize);
 public string TestFailingEncodeTests(string message, int colSize) => Scytale.Encode(message, colSize);