
using Xunit;
namespace ConsoleApp {
    public class ProgramTests {
        [Fact(DisplayName = "AddMovie adds the given movie to the movies list")] 
        public void AddMovie_AddsMovieTitle() {
            var movies = new List<string>();
            var ratings = new List<int>();
            Program.AddMovie(movies, ratings, "Interstellar", 10);
            Assert.Contains("Interstellar", movies);
        }

        [Fact(DisplayName = "AddMovie adds the given rating to the ratings list")] 
        public void AddMovie_AddsMovieRating() {
            var movies = new List<string>();
            var ratings = new List<int>();
            Program.AddMovie(movies, ratings, "Dune", 8);
            Assert.Contains(8, ratings);
        }

        [Fact(DisplayName = "PrintMoviesWithRatings prints each movie with its corresponding rating")] 
        public void PrintMoviesWithRatings_PrintsCorrectly() {
            var movies = new List<string> { "Inception", "The Matrix" };
            var ratings = new List<int> { 9, 8 };
            var sw = new System.IO.StringWriter();
            Console.SetOut(sw);
            Program.PrintMoviesWithRatings(movies, ratings);
            string output = sw.ToString();
            Assert.Contains("Inception: 9", output);
            Assert.Contains("The Matrix: 8", output);
            Console.SetOut(new System.IO.StreamWriter(Console.OpenStandardOutput()) { AutoFlush = true });
        }

        [Fact(DisplayName = "Handles multiple movies and ratings correctly")] 
        public void MultipleMoviesAndRatings_CorrectAssociation() {
            var movies = new List<string> { "A", "B", "C" };
            var ratings = new List<int> { 5, 6, 7 };
            var sw = new System.IO.StringWriter();
            Console.SetOut(sw);
            Program.PrintMoviesWithRatings(movies, ratings);
            string output = sw.ToString();
            Assert.Contains("A: 5", output);
            Assert.Contains("B: 6", output);
            Assert.Contains("C: 7", output);
            Console.SetOut(new System.IO.StreamWriter(Console.OpenStandardOutput()) { AutoFlush = true });
        }
    }
}

ProgramTests.cs

Master the essential C# collections, from basic lists to advanced dictionaries and sets. This course blends engaging theory with practical, real-world challenges to help you confidently use collections in your C# projects.

Explore the foundational C# collections: arrays and lists. Learn how to create, manipulate, and apply them to solve practical problems.

Delve into C# dictionaries and related collections for efficient key-based data storage and retrieval.

Discover C# sets and useful collection utilities for advanced data manipulation and analysis.

Challenge: Movie Ratings List

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