public ConstraintResult Test(string caption, T value)
{
var message = new StringBuilder();
if (value is IComparable comparableValue)
{
if (lowerBound != null)
{
var lowerResult = lowerBound.CompareTo(comparableValue);
if (lowerResult < 0 || (!isLowerBoundIncluded && lowerResult == 0))
{
var includedText = isLowerBoundIncluded ? "or equal to " : "";
message.Append($"{caption} must be greater than {includedText}{lowerResult}");
}
}
if (upperBound != null)
{
var upperResult = upperBound.CompareTo(value);
if (upperResult < 0 || (!isUpperBoundIncluded && upperResult == 0))
{
var includedText = isUpperBoundIncluded ? "or equal to " : "";
message.Append($"{caption} must be less than {includedText}{upperResult}");
}
}
}
return(message.Length > 0
? ConstraintResult.Failed(message.ToString())
: ConstraintResult.Passed());
}
public ConstraintResult Test(string friendlyName, string value)
=> string.IsNullOrWhiteSpace(value)
? ConstraintResult.Failed($"{friendlyName} must not be blank")
: ConstraintResult.Passed();
