more fixes

Author: mfkl

src/LibVLCSharp.Tests/MediaPlayerTests.cs

@@ -75,7 +75,7 @@ public async Task ChapterDescriptions()
         [Test]
         public async Task Play()
         {
-            var media = new Media("http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4", FromType.FromLocation);
+            var media = new Media(new Uri(LocalAudioFile));
             var mp = new MediaPlayer(_libVLC, media);
             var called = false;
             mp.Playing += (sender, args) =>
@@ -85,7 +85,6 @@ public async Task Play()
             mp.Play();
             await Task.Delay(5000);
             Assert.True(called);
-            //Assert.True(mp.IsPlaying);
         }
 
         int callCountRegisterOne = 0;
@@ -96,7 +95,7 @@ public async Task EventFireOnceForeachRegistration()
         {
             try
             {
-                var media = new Media("http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4", FromType.FromLocation);
+                var media = new Media(new Uri(LocalAudioFile));
                 var mp = new MediaPlayer(_libVLC, media);
 
 
@@ -185,7 +184,7 @@ public async Task UpdateViewpoint()
         {
             var mp = new MediaPlayer(_libVLC);
 
-            mp.Play(new Media("https://streams.videolan.org/streams/360/eagle_360.mp4", FromType.FromLocation));
+            mp.Play(new Media(new Uri("https://streams.videolan.org/streams/360/eagle_360.mp4"), ":no-video"));
 
             await Task.Delay(1000);
 
@@ -204,17 +203,17 @@ public async Task UpdateViewpoint()
         public void GetMediaPlayerRole()
         {
             var mp = new MediaPlayer(_libVLC);
-            Assert.AreEqual(MediaPlayerRole.None, mp.Role);
+            Assert.AreEqual(MediaPlayerRole.Video, mp.Role);
         }
 
         [Test]
         public void SetMediaPlayerRole()
         {
             var mp = new MediaPlayer(_libVLC);
-            Assert.AreEqual(MediaPlayerRole.None, mp.Role);
-
-            Assert.True(mp.SetRole(MediaPlayerRole.Video));
             Assert.AreEqual(MediaPlayerRole.Video, mp.Role);
+
+            Assert.True(mp.SetRole(MediaPlayerRole.Music));
+            Assert.AreEqual(MediaPlayerRole.Music, mp.Role);
         }
 
         [Test]

src/LibVLCSharp.Tests/MediaTests.cs

@@ -62,14 +62,19 @@ public void AddOption()
         }
 
         [Test]
-        public async Task CreateRealMedia()
+        public async Task CheckStats()
         {
-            using var media = new Media(new Uri(LocalAudioFile));
+            using var media = new Media(new Uri(RemoteVideoStream));
             Assert.NotZero(media.Duration);
             using var mp = new MediaPlayer(_libVLC, media);
+
             Assert.True(mp.Play());
-            await Task.Delay(4000); // have to wait a bit for statistics to populate
-            Assert.Greater(media.Statistics.DemuxBitrate, 0);
+            
+            await Task.Delay(5000); // have to wait a bit for statistics to populate
+
+            Assert.NotZero(media.Statistics.DemuxBitrate);
+            Assert.NotZero(media.Statistics.ReadBytes);
+
             mp.Stop();
         }
 

src/LibVLCSharp/Structures/MediaTrack.cs

@@ -311,7 +311,7 @@ public MediaTrack? this[uint position]
 
         internal class MediaTrackListEnumerator : IEnumerator<MediaTrack>
         {
-            uint position = 0;
+            int position = -1;
             MediaTrackList? _mediaTrackList;
 
             internal MediaTrackListEnumerator(MediaTrackList mediaTrackList)
@@ -327,12 +327,12 @@ public bool MoveNext()
 
             void IEnumerator.Reset()
             {
-                position = 0;
+                position = -1;
             }
 
             public void Dispose()
             {
-                position = 0;
+                position = -1;
                 _mediaTrackList = default;
             }
 
@@ -346,7 +346,7 @@ public MediaTrack Current
                     {
                         throw new ObjectDisposedException(nameof(MediaTrackListEnumerator));
                     }
-                    return _mediaTrackList[position] ?? throw new ArgumentOutOfRangeException(nameof(position));
+                    return _mediaTrackList[position < 0 ? 0 : (uint)position] ?? throw new ArgumentOutOfRangeException(nameof(position));
                 }
             }
         }