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using System;
using Emby.Server.Implementations.Library;
using MediaBrowser.Model.Entities;
using Xunit;
namespace Jellyfin.Server.Implementations.Tests.Library;
public class MediaStreamSelectorTests
{
[Theory]
[InlineData(true)]
[InlineData(false)]
public void GetDefaultAudioStreamIndex_EmptyStreams_Null(bool preferDefaultTrack)
{
Assert.Null(MediaStreamSelector.GetDefaultAudioStreamIndex(Array.Empty<MediaStream>(), Array.Empty<string>(), preferDefaultTrack));
}
[Theory]
[InlineData(new string[0], false, 1)]
[InlineData(new string[0], true, 1)]
[InlineData(new[] { "eng" }, false, 2)]
[InlineData(new[] { "eng" }, true, 1)]
[InlineData(new[] { "eng", "fre" }, false, 2)]
[InlineData(new[] { "fre", "eng" }, false, 1)]
[InlineData(new[] { "eng", "fre" }, true, 1)]
public void GetDefaultAudioStreamIndex_PreferredLanguage_SelectsCorrect(string[] preferredLanguages, bool preferDefaultTrack, int expectedIndex)
{
var streams = new MediaStream[]
{
new()
{
Index = 0,
Type = MediaStreamType.Video,
IsDefault = true
},
new()
{
Index = 1,
Type = MediaStreamType.Audio,
Language = "fre",
IsDefault = true
},
new()
{
Index = 2,
Type = MediaStreamType.Audio,
Language = "eng",
IsDefault = false
}
};
Assert.Equal(expectedIndex, MediaStreamSelector.GetDefaultAudioStreamIndex(streams, preferredLanguages, preferDefaultTrack));
}
}
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