public static ValidateTarget <float?> IsNegative([ValidatedNotNull] this ValidateTarget <float?> target, float allowedError, Func <string> getErrorMessage = null)
{
bool isValidationFailed = true;
float valueToCompare = 0;
if (target.Value.HasValue)
{
var diff = Math.Abs(target.Value.Value - valueToCompare);
if (diff <= allowedError || target.Value.Value >= valueToCompare)
{
isValidationFailed = false;
}
}
if (isValidationFailed)
{
ExceptionFactory.ThrowException(target.Traits.OutOfRangeExceptionType, getErrorMessage != null ? getErrorMessage.Invoke() : ErrorMessageFactory.ShouldBeLessThan(target, valueToCompare));
}
return(target);
}
public static ValidateTarget <double> IsNegative([ValidatedNotNull] this ValidateTarget <double> target, double allowedError, Func <string> getErrorMessage = null)
{
double valueToCompare = 0;
var diff = Math.Abs(target.Value - valueToCompare);
if (diff <= allowedError || target.Value >= valueToCompare)
{
ExceptionFactory.ThrowException(target.Traits.OutOfRangeExceptionType, getErrorMessage != null ? getErrorMessage.Invoke() : ErrorMessageFactory.ShouldBeLessThan(target, valueToCompare));
}
return(target);
}
public static ValidateTarget <TValue?> IsNegative <TValue>([ValidatedNotNull] this ValidateTarget <TValue?> target, Func <string> getErrorMessage = null, IComparer <TValue> customComparer = null)
where TValue : struct, IComparable <TValue>
{
TValue valueToCompare = default(TValue);
IComparer <TValue> comparer = customComparer ?? Comparer <TValue> .Default;
if (!target.Value.HasValue || comparer.Compare(target.Value.Value, valueToCompare) >= 0)
{
ExceptionFactory.ThrowException(target.Traits.OutOfRangeExceptionType, getErrorMessage != null ? getErrorMessage.Invoke() : ErrorMessageFactory.ShouldBeLessThan(target, valueToCompare));
}
return(target);
}
public static ValidateTarget <TValue?> IsLessThan <TValue>([ValidatedNotNull] this ValidateTarget <TValue?> target, object valueToCompare, Func <string> getErrorMessage = null, System.Collections.IComparer customComparer = null)
where TValue : struct, IComparable
{
if (target.Value.HasValue)
{
System.Collections.IComparer comparer = customComparer ?? Comparer <TValue> .Default;
if (comparer.Compare(target.Value.Value, valueToCompare) >= 0)
{
ExceptionFactory.ThrowException(target.Traits.OutOfRangeExceptionType, getErrorMessage != null ? getErrorMessage.Invoke() : ErrorMessageFactory.ShouldBeLessThan(target, valueToCompare));
}
}
return(target);
}
