public async Task SliceTest() { var res1 = await Tracklist.Clear(); Assert.True(res1); var res2 = await Library.Search( queryArtist : "Air Supply", queryAlbum : "Strangers In Love" ); Assert.True(res2.Succeeded); Assert.True(1 <= res2.Result.Length); Assert.True(1 <= res2.Result.First().Tracks.Length); var uris = res2.Result.First().Tracks .OrderBy(e => e.TrackNo) .Select(e => e.Uri) .ToArray(); var res3 = await Tracklist.Add(uris); Assert.True(res3.Succeeded); Assert.Equal(uris.Length, res3.Result.Length); var sliced = new string[] { uris[5], uris[6], uris[7], uris[8], }; var res4 = await Tracklist.Slice(5, 9); Assert.True(res4.Succeeded); Assert.Equal(4, res4.Result.Length); for (var i = 0; i < sliced.Length; i++) { Assert.Equal(sliced[i], res4.Result[i].Track.Uri); } var res5 = await Tracklist.GetTlTracks(); Assert.True(res5.Succeeded); Assert.Equal(uris.Length, res5.Result.Length); for (var i = 0; i < uris.Length; i++) { Assert.Equal(uris[i], res5.Result[i].Track.Uri); } }