public void EmptyStringReturnsEmptyList()
        {
            string emptyList = "";

            Assert.True(ParseIntegerListFromCsv.CanParse(emptyList));
            Assert.False(ParseIntegerListFromCsv.Parse(emptyList).Any());
        }
        public void DecimalPointsAreInvalid()
        {
            string decimalPoints = "2.3";

            Assert.False(ParseIntegerListFromCsv.CanParse(decimalPoints));
        }
        public void InvalidItemInvalidatesEntireList()
        {
            string oneIntegerUnparseable = "1,2,4,f,2,4";

            Assert.False(ParseIntegerListFromCsv.CanParse(oneIntegerUnparseable));
        }