public void AddSongOnlyOnce()
{
PlayList playList = new PlayList();
Song song = Create.Song();
playList.AddSongs(new ObservableCollection<Song> { song });
playList.AddSongs(new ObservableCollection<Song> { song });
Assert.AreEqual(1, playList.OriginalSongs.Count);
Assert.AreEqual(1, playList.SongsToPlay.Count);
CollectionAssert.Contains(playList.OriginalSongs.Select(sts => sts.Song).ToList(), song);
CollectionAssert.Contains(playList.SongsToPlay.Select(stt => stt.Song).ToList(), song);
}
public PlayListViewModel()
{
PlayList = new PlayList();
PlayerObserver.AddToPlayList += delegate(ObservableCollection<Song> songs)
{
PlayList.AddSongs(songs);
PlayList.Mix();
};
PlayerObserver.CurrentSongFinished += OnCurrentSongFinished;
PlayerState = State.Stop;
}
public void Clear()
{
PlayList playList = new PlayList();
Song song = Create.Song();
playList.AddSongs(new ObservableCollection<Song> { song });
playList.Clear();
Assert.AreEqual(0, playList.OriginalSongs.Count);
Assert.AreEqual(0, playList.SongsToPlay.Count);
}
public void ReturnIsEmpty()
{
Song song1 = Create.Song();
PlayList playList = new PlayList();
Assert.IsTrue(playList.IsEmpty);
playList.AddSongs(new ObservableCollection<Song> { song1});
Assert.IsFalse(playList.IsEmpty);
}
public void RestaureCollection()
{
Song song1 = Create.Song();
Song song2 = Create.Song();
Song song3 = Create.Song();
PlayList playList = new PlayList();
playList.AddSongs(new ObservableCollection<Song>{ song1, song2, song3});
playList.Mix();
playList.Restaure();
Assert.AreEqual(playList.SongsToPlay[0], playList.OriginalSongs[0]);
Assert.AreEqual(playList.SongsToPlay[1], playList.OriginalSongs[1]);
Assert.AreEqual(playList.SongsToPlay[2], playList.OriginalSongs[2]);
}