public async Task ShuffleTest()
{
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);
var ordered = new Dictionary <int, string>()
{
{ 0, uris[0] },
{ 1, uris[1] },
{ 2, uris[2] },
{ 3, uris[3] },
{ 4, uris[4] },
{ 10, uris[10] }
};
var unordered = new Dictionary <int, string>()
{
{ 5, uris[5] },
{ 6, uris[6] },
{ 7, uris[7] },
{ 8, uris[8] },
{ 9, uris[9] },
};
var res4 = await Tracklist.Shuffle(5, 10);
Assert.True(res4);
var res5 = await Tracklist.GetTlTracks();
Assert.True(res5.Succeeded);
Assert.Equal(uris.Length, res5.Result.Length);
foreach (var pair in ordered)
{
Assert.Equal(ordered[pair.Key], res5.Result[pair.Key].Track.Uri);
}
var shuffled = false;
foreach (var pair in unordered)
{
if (pair.Value != res5.Result[pair.Key].Track.Uri)
{
shuffled = true;
break;
}
}
Assert.True(shuffled);
}
