public void Ex16Test_NoFileSpecified()
        {
            string inputString    = "";
            long   expectedResult = -1;

            ExercisesPart1 exercises    = new ExercisesPart1();
            long           actualResult = exercises.Ex16(inputString);

            Assert.AreEqual(actualResult, expectedResult);
        }
        public void Ex16Test()
        {
            string inputString    = "./Resources/Ex16File.txt";
            long   expectedResult = new FileInfo(inputString).Length;

            ExercisesPart1 exercises    = new ExercisesPart1();
            long           actualResult = exercises.Ex16(inputString);

            Assert.AreEqual(actualResult, expectedResult);
        }