private static int CompareValueTo <T>(this Argument <T> argument, object comparisonValue)
{
try
{
if (argument.Value is IComparable <T> && comparisonValue is T)
{
return((argument.Value as IComparable <T>).CompareTo((T)comparisonValue));
}
if (argument.Value is IComparable)
{
return((argument.Value as IComparable).CompareTo(comparisonValue));
}
}
catch (ArgumentException)
{
var message = ExceptionMessages.Current.IncomparableTypes.Inject(
argument.GetType().FullName,
comparisonValue.GetType().FullName);
throw ExceptionFactory.CreateArgumentException(argument, message);
}
throw new InvalidOperationException("This should not be possible, please report an issue at http://github.com/pmacn/Krav with the code used get this exception.");
}
public static Argument <T> IsInRange <T>(this Argument <T> argument, T min, T max)
where T : IComparable <T>
{
if (argument.Value == null)
{
throw ExceptionFactory.CreateNullException(argument);
}
if (argument.CompareValueTo(min) < 0)
{
throw ExceptionFactory.OutOfRange(
argument,
ExceptionMessages.Current.NotInRange_TooLow.Inject(min, max));
}
if (argument.CompareValueTo(max) > 0)
{
throw ExceptionFactory.OutOfRange(
argument,
ExceptionMessages.Current.NotInRange_TooHigh.Inject(min, max));
}
return(argument);
}