public void ConvertRatingTest()
{
string fiveStarRating = MovieStarRating.ConvertRating(50.0);
Assert.AreEqual(fiveStarRating.Length, 5);
string fourStarRating = MovieStarRating.ConvertRating(40.0);
Assert.AreEqual(fourStarRating.Length, 4);
string threeStarRating = MovieStarRating.ConvertRating(30);
Assert.AreEqual(threeStarRating.Length, 3);
string twoStarRating = MovieStarRating.ConvertRating(20.0);
Assert.AreEqual(twoStarRating.Length, 2);
string oneStarRating = MovieStarRating.ConvertRating(10);
Assert.AreEqual(oneStarRating.Length, 1);
string noRating = MovieStarRating.ConvertRating(0.99);
Assert.AreEqual(noRating.Length, 1);
}
public override object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
string val = value.ToString();
if (double.TryParse(val, out double result))
{
return(MovieStarRating.ConvertRating(result));
}
return(null);
}
