public async Task When_getting_videos_then_they_are_saved(
[Frozen] IYouTubeServiceWrapper youtubeServiceWrapper,
YouTubeApi youTubeApi
)
{
// Setup
youtubeServiceWrapper.GetPlaylists().Returns(new List <Playlist>());
// Act
await foreach (var _ in youTubeApi.GetVideos(new List <string>()))
{
}
}
static void Main(string[] args)
{
//Exception Hnadeling
StreamReader streamReader = null;
try
{
streamReader = new StreamReader(@"c:\test.zip");
var content = streamReader.ReadToEnd();
throw new Exception("!");
}
catch (Exception ex)
{
Console.WriteLine("Error Occurred!");
}
finally
{
if (streamReader != null)
{
streamReader.Dispose();
}
}
///Or
/// StreamReader streamReader = null;
try
{
//using (var StreamReader = new StreamReader(@"c:\test.zip"))
//{
// var content = streamReader.ReadToEnd();
//}
var youtube = new YouTubeApi();
var vids = youtube.GetVideos("user");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
//Dynamics
dynamic dynamic = "test";
dynamic = 10;
dynamic a = 10;
dynamic bbb = 5;
var c = a + bbb;
int d = a;
long e = d;
//Nullables
DateTime?date = null;
Console.WriteLine(date.GetValueOrDefault());
Console.WriteLine(date.HasValue);
//Console.WriteLine(date.Value);
DateTime date2 = date.GetValueOrDefault();
DateTime?date3 = date2;
///Linq Extension Methods
var books1 = new BookRepository().GetBooks();
var cheapBooks1 = books1.Where(x => x.Price < 10).OrderBy(x => x.Title);
//Linq Query Operator
var cheaperBooks = from b in books1
where b.Price < 10
orderby b.Title
select b.Title;
//Extensions
string post = "this is long long long post...";
var shortenedPost = post.Shorten(3);
Console.WriteLine(shortenedPost);
//Events
var video = new Video()
{
Title = "Video Title 1"
};
var videoEncoder = new VideoEncoder(); /// Publisher
var mailService = new MailService(); // subscriber
var messageService = new MessageService();
videoEncoder.videoEncoded += mailService.OnVideoEncoded;
videoEncoder.videoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
// =>
const int factor = 5;
Func <int, int> multipler = n => n * factor;
Console.WriteLine(multipler(5));
var books = new BookRepository().GetBooks();
//var cheapBooks = books.FindAll(IsCheaperThan10Dollars);
var cheapBooks = books.FindAll(b => b.Price < 10);
foreach (var book in cheapBooks)
{
Console.WriteLine(book.Title);
}
//Delegates
var photo = new PhotoProcessor();
var filters = new PhotoFilters();
//PhotoProcessor.PhotoFilterHandler filterHandler = filters.ApplyBrightness;
Action <Photo> filterHandler = filters.ApplyBrightness;
filterHandler += filters.ApplyContrast;
filterHandler += RemoveRedEyeFilter;
photo.Process("test", filterHandler);
//Generics
var numbers = new Generic <int>();
numbers.Add(10);
var dictionary = new GenericDictionary <string, Book>();
dictionary.Add("1", new Book());
var NUMBER = new AdvancedTopics.Nullable <int>();
Console.WriteLine("Has Value? " + NUMBER.HasValue);
Console.WriteLine("Value: " + NUMBER.GetValueOrDefault());
//Or You can use System.Nullable for this purpose.
}