public void GetFlagCount()
{
Assert.AreEqual(4, FlagEnums.GetFlagCount <ColorFlagEnum>());
Assert.AreEqual(6, FlagEnums.GetFlagCount <UInt64FlagEnum>());
Assert.AreEqual(0, ColorFlagEnum.Black.GetFlagCount());
Assert.AreEqual(2, (ColorFlagEnum.Red | ColorFlagEnum.Blue).GetFlagCount());
Assert.AreEqual(3, (UInt64FlagEnum.Hops | UInt64FlagEnum.Runs | UInt64FlagEnum.Walks).GetFlagCount());
Assert.AreEqual(0, ((UInt64FlagEnum)8).GetFlagCount());
Assert.AreEqual(1, ColorFlagEnum.All.GetFlagCount(ColorFlagEnum.Blue));
Assert.AreEqual(2, ColorFlagEnum.All.GetFlagCount(ColorFlagEnum.Blue | ColorFlagEnum.Red));
Assert.AreEqual(0, ColorFlagEnum.Green.GetFlagCount(ColorFlagEnum.Blue | ColorFlagEnum.Red));
}