public void GetActiveValuesTests()
{
var value = FlagsEnum.P1 | FlagsEnum.P2;
var subject = EnumTools.GetActiveValues(value);
Assert.Contains(FlagsEnum.P1, subject);
Assert.Contains(FlagsEnum.P2, subject);
Assert.DoesNotContain(FlagsEnum.P3, subject);
Assert.DoesNotContain(FlagsEnum.P4, subject);
}
/// <summary>
/// Get collection for key from Enum, if enum has flags,
/// multiple collections are merge into one
/// </summary>
/// <param name="key"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public IValidatorCollection GetCollection <T>(T key) where T : Enum
{
return(EnumTools.GetActiveValues(key)
.Select(e => GetCollection(e.ToString()))
.Aggregate((prev, next) => prev is null ? next : prev.MergeCollection(next)));
}