private static void SetScoreLastFrame(IList <int?> score, ILastFrame lastFrame)
{
lastFrame.SetBallOne(score[0] == null ? 0 : (int)score[0]);
lastFrame.SetBallTwo(score[1] == null ? 0 : (int)score[1]);
lastFrame.SetBallThree(score[2] == null ? 0 : (int)score[2]);
}
public void Given_A_Frame()
{
_frame = new LastFrame(NumberOfFrames, NumberOfPins);
}