public void ValidateAdditionFunctions_WithNegativeValues(string timeUnitvalueToAdd, string unit, long valueToAdd, string result)
{
TimeUnit a = new TimeUnit(timeUnitvalueToAdd);
TimeUnit b;
switch (unit)
{
case "m":
b = a.AddMinutes(valueToAdd);
break;
case "d":
b = a.AddDays(valueToAdd);
break;
case "w":
b = a.AddWeeks(valueToAdd);
break;
case "h":
b = a.AddHours(valueToAdd);
break;
case "s":
b = a.AddSeconds(valueToAdd);
break;
case "S":
b = a.AddMilliseconds(valueToAdd);
break;
default:
b = a.AddSeconds(valueToAdd);
break;
}
Assert.AreEqual(result, b.Value);
}