public void Test_Chapter_3_1_NoLineAddings()
        {
            var longText = "This is a very long text that might receive a line feed.";

            longText = longText + longText;
            longText = longText + longText;
            longText = longText + longText;

            var result = new Base64Encoder().Encode(longText);

            Assert.False(result.Contains("\r"));
            Assert.False(result.Contains("\n"));
        }