public static void RequireInEnumeration(Type enumerationType, string parameterValue, string parameterName, string customMessage = null)
{
InternalContract.RequireNotNull(enumerationType, nameof(enumerationType));
InternalContract.Require(enumerationType.IsEnum, $"Parameter {nameof(enumerationType)} must be of type enum.");
if (parameterValue == null)
{
return;
}
var message = customMessage ?? $"ContractViolation: {parameterName} ({parameterValue}) must represent one of the enumeration values for ({enumerationType.FullName}).";
Require(Enum.IsDefined(enumerationType, parameterValue), message);
}
public static void InEnumeration(Type enumerationType, string value, string errorLocation = null, string customMessage = null)
{
InternalContract.RequireNotNull(enumerationType, nameof(enumerationType));
InternalContract.Require(enumerationType.IsEnum, $"Parameter {nameof(enumerationType)} must be of type enum.");
if (value == null)
{
return;
}
var message = customMessage ?? $"Expected ({value}) to represent one of the enumeration values for ({enumerationType.FullName}).";
IsTrue(Enum.IsDefined(enumerationType, value), errorLocation, message);
}
