static void Main()
{
var optionsBuilder = new DbContextOptionsBuilder();
optionsBuilder.UseInMemoryDatabase(); // extension method from package entityframework.inmemory
using (var context = new VideoStoreContext(optionsBuilder.Options))
{
PrintEntitiesCount(context);
var movie = new Movie { Name = "I am Legend" };
var actor = new Actor { FirstName = "Will", LastName = "Smith" };
movie.Actors.Add(actor);
actor.Movies.Add(movie);
context.AddRange(movie, actor);
context.SaveChanges();
PrintEntitiesCount(context);
}
Console.ReadLine();
}
private static void PrintEntitiesCount(VideoStoreContext context)
{
Console.WriteLine("movies: " + context.Movies.Count());
Console.WriteLine("actors: " + context.Actors.Count());
}