public void EnumsListEnumListTTRequiresEnum()
{
// arrange / act
var result = Assert.Throws <ArgumentException>(() => Enums.EnumList <int, int>());
// assert
Assert.That(result.Message, Is.EqualTo("T must be an enumerated type"));
}
public void EnumsListByteEnumIntListError()
{
// arrange / act
var result = Assert.Throws <NotSupportedException>(() => Enums.EnumList <ByteEnum, int>());
// assert
Assert.That(result.Message, Is.EqualTo("DeuceGear.UnitTests.EnumExtensions.ByteEnum can not be converted to a list of type System.Int32"));
}
public void EnumsListLongEnumTypeList()
{
// arrange / act
var result = Enums.EnumList <LongEnum, long>();
// assert
Assert.That(result.Length, Is.EqualTo(4));
Assert.That(result[0], Is.EqualTo(0));
Assert.That(result[1], Is.EqualTo(1));
Assert.That(result[2], Is.EqualTo(2));
Assert.That(result[3], Is.EqualTo(3));
}
public void EnumsListLongEnumGenericList()
{
// arrange / act
var result = Enums.EnumList <LongEnum>().ToList();
// assert
Assert.That(result.Count, Is.EqualTo(4));
Assert.That(result[0], Is.EqualTo(LongEnum.Empty));
Assert.That(result[1], Is.EqualTo(LongEnum.Single1));
Assert.That(result[2], Is.EqualTo(LongEnum.Single2));
Assert.That(result[3], Is.EqualTo(LongEnum.List));
}
private void EnumsListEnumPerformanceTestExcludingTheFirstCall <Tenum, TdataType>(int testLength)
where Tenum : struct, IConvertible
{
lock (_performanceLock)
{
// arrange
var stopwatch = new Stopwatch();
// act - 1 - Enum.GetValues
var values1 = (TdataType[])Enum.GetValues(typeof(Tenum));
stopwatch.Start();
for (int i = 0; i < testLength; i++)
{
var values = (TdataType[])Enum.GetValues(typeof(Tenum));
}
stopwatch.Stop();
var enumGetValues = stopwatch.ElapsedTicks;
// act - 2 - typeof().GetEnumValues
var values2 = (TdataType[])typeof(Tenum).GetEnumValues();
stopwatch.Restart();
for (int i = 0; i < testLength; i++)
{
var values = (TdataType[])typeof(Tenum).GetEnumValues();
}
stopwatch.Stop();
var typeofGetValues = stopwatch.ElapsedTicks;
// act - 3 - deucegear
var values3 = Enums.EnumList <Tenum, TdataType>();
stopwatch.Restart();
for (int i = 0; i < testLength; i++)
{
var values = Enums.EnumList <Tenum, TdataType>();
}
stopwatch.Stop();
var deucegear = stopwatch.ElapsedTicks;
// assert
Console.WriteLine("Enum.GetValues: " + enumGetValues);
Console.WriteLine("Typeof.GetEnumValues: " + typeofGetValues);
Console.WriteLine("Deucegear: " + deucegear);
Assert.That(deucegear, Is.LessThanOrEqualTo(enumGetValues));
Assert.That(deucegear, Is.LessThanOrEqualTo(typeofGetValues));
}
}
