MovieNight - ApprovalTests Combination Tests

MovieNight.cs

using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace MovieNight
{
    public class MovieNight
    {
        public string GetMovieRecomendations(string name, int age, double time, Sex gender, bool isMarried)
        {
            var sb = new StringBuilder();
            if (gender == Sex.Male)
            {
                if (age < 18)
                {
                    sb.AppendFormat("Master {0} ", name);
                }
                else
                {
                    sb.AppendFormat("Mr. {0} ", name);
                }
            }
            else
            {
                if (isMarried)
                {
                    sb.AppendFormat("Mrs. {0} ", name);
                }
                else
                {
                    if (age < 18)
                    {
                        sb.AppendFormat("Miss {0} ", name);
                    }
                    else
                    {
                        sb.AppendFormat("Ms. {0} ", name);
                    }
                }
            }
            var movies = GetMovies().Where(m => m.MinimumAge <= age);
            sb.Append("should watch");
            foreach (var movie in movies)
            {
                if (time > movie.Length)
                {
                    time -= movie.Length;
                    sb.AppendFormat(" {0},", movie.Title);
                }
            }
            return sb.ToString();
        }

        private static IEnumerable<Movie> GetMovies()
        {
            return new[]
            {
                new Movie("A Most Wanted Man", 2.02, Rating.R),
                new Movie("Sex Tape", 1.34, Rating.R),
                new Movie("Medicinen", 1.55, Rating.PG),
                new Movie("The Grand Budapest Hotel", 1.4, Rating.PG13),
                new Movie("Let's be Cops", 1.44, Rating.PG13),
                new Movie("Hackers", 1.5, Rating.G),
                new Movie("Joe", 1.57, Rating.R),
                new Movie("Guardians of the Galaxy", 2.01, Rating.PG13),
                new Movie("12 Years a Slave", 2.13, Rating.R),
                new Movie("Flygplan 2: Räddningstjänsten - Svenskt tal", 1.20, Rating.G),
                new Movie("American Hustle", 2.18, Rating.R),
                new Movie("Draktränaren 2 - Svenskt tal", 1.42, Rating.PG)
            };
        }
    }

    public class Movie
    {
        public Movie(string title, double length, Rating rating)
        {
            Title = title;
            Length = length;
            switch (rating)
            {
                case Rating.G:
                    MinimumAge = 0;
                    break;
                case Rating.PG:
                    MinimumAge = 7;
                    break;
                case Rating.PG13:
                    MinimumAge = 11;
                    break;
                case Rating.R:
                    MinimumAge = 15;
                    break;

            }
        }

        public int MinimumAge { get; set; }
        public double Length { get; set; }
        public string Title { get; set; }
    }

    public enum Rating
    {
        G,
        PG,
        PG13,
        R,
        NC17
    }

    public enum Sex
    {
        Male,
        Female
    }
}