public async Task RemoveTest()
{
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);
var tracks1 = res2.Result.First().Tracks;
Assert.True(1 <= tracks1.Length);
var uris1 = tracks1
.OrderBy(e => e.TrackNo)
.Select(e => e.Uri)
.ToArray();
var res3 = await Tracklist.Add(uris1);
Assert.True(res3.Succeeded);
var tlIds = res3.Result
.Select(e => e.TlId)
.ToArray();
var uris = res3.Result
.Select(e => e.Track.Uri)
.ToArray();
var res4 = await Tracklist.GetTlTracks();
Assert.True(res4.Succeeded);
Assert.Contains(res4.Result, e => e.TlId == tlIds[0]);
Assert.Contains(res4.Result, e => e.TlId == tlIds[1]);
Assert.Contains(res4.Result, e => e.TlId == tlIds[2]);
Assert.Contains(res4.Result, e => e.TlId == tlIds[3]);
var res5 = await Tracklist.Remove(new int[]
{
tlIds[0],
tlIds[1],
tlIds[2],
tlIds[3]
});
Assert.True(res5.Succeeded);
Assert.Equal(4, res5.Result.Length);
var res6 = await Tracklist.GetLength();
Assert.True(res6.Succeeded);
Assert.Equal(tracks1.Length - 4, res6.Result);
var res7 = await Tracklist.GetTlTracks();
Assert.True(res7.Succeeded);
Assert.DoesNotContain(res7.Result, e => e.TlId == tlIds[0]);
Assert.DoesNotContain(res7.Result, e => e.TlId == tlIds[1]);
Assert.DoesNotContain(res7.Result, e => e.TlId == tlIds[2]);
Assert.DoesNotContain(res7.Result, e => e.TlId == tlIds[3]);
Assert.Contains(res7.Result, e => e.Track.Uri == uris[4]);
Assert.Contains(res7.Result, e => e.Track.Uri == uris[5]);
Assert.Contains(res7.Result, e => e.Track.Uri == uris[6]);
var res8 = await Tracklist.Remove(new string[]
{
uris[4],
uris[5],
uris[6]
});
Assert.True(res8.Succeeded);
Assert.Equal(3, res8.Result.Length);
var res9 = await Tracklist.GetLength();
Assert.True(res9.Succeeded);
Assert.Equal(tracks1.Length - 7, res9.Result);
var res10 = await Tracklist.GetTlTracks();
Assert.True(res10.Succeeded);
Assert.DoesNotContain(res10.Result, e => e.Track.Uri == uris[4]);
Assert.DoesNotContain(res10.Result, e => e.Track.Uri == uris[5]);
Assert.DoesNotContain(res10.Result, e => e.Track.Uri == uris[6]);
Assert.Contains(res10.Result, e => e.TlId == tlIds[7]);
Assert.Contains(res10.Result, e => e.Track.Uri == uris[8]);
var res11 = await Tracklist.Remove(tlIds[7]);
Assert.True(res11.Succeeded);
#pragma warning disable xUnit2013 // Do not use equality check to check for collection size.
Assert.Equal(1, res11.Result.Length);
#pragma warning restore xUnit2013 // Do not use equality check to check for collection size.
var res12 = await Tracklist.Remove(uris[8]);
Assert.True(res12.Succeeded);
#pragma warning disable xUnit2013 // Do not use equality check to check for collection size.
Assert.Equal(1, res12.Result.Length);
#pragma warning restore xUnit2013 // Do not use equality check to check for collection size.
var res13 = await Tracklist.GetLength();
Assert.True(res13.Succeeded);
Assert.Equal(tracks1.Length - 9, res13.Result);
var res14 = await Tracklist.GetTlTracks();
Assert.True(res14.Succeeded);
Assert.DoesNotContain(res14.Result, e => e.TlId == tlIds[7]);
Assert.DoesNotContain(res14.Result, e => e.Track.Uri == uris[8]);
}