diff --git a/src/N_m3u8DL-RE.Parser.Tests/Extractor/MSSExtractorTest.cs b/src/N_m3u8DL-RE.Parser.Tests/Extractor/MSSExtractorTest.cs
new file mode 100644
index 0000000..ef1b75a
--- /dev/null
+++ b/src/N_m3u8DL-RE.Parser.Tests/Extractor/MSSExtractorTest.cs
@@ -0,0 +1,86 @@
+using System.Reflection;
+using FluentAssertions;
+using N_m3u8DL_RE.Parser.Config;
+using N_m3u8DL_RE.Parser.Extractor;
+
+
+namespace N_m3u8DL_RE.Parser.Tests.Extractor;
+
+[TestClass]
+public class MSSExtractorTest
+{
+    [TestMethod]
+    public void TestMethod1()
+    {
+        var uri = getResourceUri("Extractor/SuperSpeedway_720.ism.manifest.xml");
+        var rawText = File.ReadAllText(uri.LocalPath);
+        var parserConfig = new ParserConfig
+        {
+            Url = uri.AbsoluteUri,
+            OriginalUrl = uri.AbsoluteUri
+        };
+        var extractor = new MSSExtractor(parserConfig);
+        var streamSpecs = extractor.ExtractStreamsAsync(rawText).Result;
+        streamSpecs.Should().HaveCount(9);
+        var streamSpec0 = streamSpecs[0];
+        streamSpec0.PeriodId.Should().Be("0");
+        streamSpec0.GroupId.Should().Be("video");
+        streamSpec0.Bandwidth.Should().Be(2962000);
+        streamSpec0.Codecs.Should().Be("avc1.64001F");
+        streamSpec0.Resolution.Should().Be("1280x720");
+        streamSpec0.Channels.Should().Be(null);
+        streamSpec0.MSSData!.SamplingRate.Should().Be(48000);
+        streamSpec0.MSSData.BitsPerSample.Should().Be(16);
+        streamSpec0.MSSData.NalUnitLengthField.Should().Be(4);
+        streamSpec0.MSSData.Duration.Should().Be(1209510000L);
+        streamSpec0.MSSData.Timesacle.Should().Be(10000000);
+        streamSpec0.Playlist!.IsLive.Should().BeFalse();
+        streamSpec0.Playlist!.MediaParts[0].MediaSegments.Should().HaveCount(61);
+
+        var streamSpec1 = streamSpecs[1];
+        streamSpec1.PeriodId.Should().Be("1");
+        streamSpec1.GroupId.Should().Be("video");
+        streamSpec1.Bandwidth.Should().Be(2056000);
+        streamSpec1.Codecs.Should().Be("avc1.64001F");
+        streamSpec1.Resolution.Should().Be("992x560");
+        streamSpec1.Channels.Should().Be(null);
+        streamSpec1.MSSData!.SamplingRate.Should().Be(48000);
+        streamSpec1.MSSData.BitsPerSample.Should().Be(16);
+        streamSpec1.MSSData.NalUnitLengthField.Should().Be(4);
+        streamSpec1.MSSData.Duration.Should().Be(1209510000L);
+        streamSpec1.MSSData.Timesacle.Should().Be(10000000);
+
+        var streamSpec5 = streamSpecs[5];
+        streamSpec5.PeriodId.Should().Be("5");
+        streamSpec5.GroupId.Should().Be("video");
+        streamSpec5.Bandwidth.Should().Be(477000);
+        streamSpec5.Codecs.Should().Be("avc1.64000D");
+        streamSpec5.Resolution.Should().Be("368x208");
+        streamSpec5.Channels.Should().Be(null);
+        streamSpec5.MSSData!.SamplingRate.Should().Be(48000);
+        streamSpec5.MSSData.BitsPerSample.Should().Be(16);
+        streamSpec5.MSSData.NalUnitLengthField.Should().Be(4);
+        streamSpec5.MSSData.Duration.Should().Be(1209510000L);
+        streamSpec5.MSSData.Timesacle.Should().Be(10000000);
+        
+        var streamSpec8 = streamSpecs[8];
+        streamSpec8.PeriodId.Should().Be(null);
+        streamSpec8.GroupId.Should().Be("audio");
+        streamSpec8.Bandwidth.Should().Be(128000);
+        streamSpec8.Codecs.Should().Be("mp4a.40.2");
+        streamSpec8.Resolution.Should().Be(null);
+        streamSpec8.Channels.Should().Be("2");
+        streamSpec8.MSSData!.SamplingRate.Should().Be(44100);
+        streamSpec8.MSSData.BitsPerSample.Should().Be(16);
+        streamSpec8.MSSData.NalUnitLengthField.Should().Be(4);
+        streamSpec8.MSSData.Duration.Should().Be(1209510000L);
+        streamSpec8.MSSData.Timesacle.Should().Be(10000000);
+    }
+
+    private Uri getResourceUri(string resourceName)
+    {
+        var directory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+        var path = System.IO.Path.Combine(directory, resourceName);
+        return new Uri("file://" + path);
+    }
+}
\ No newline at end of file
diff --git a/src/N_m3u8DL-RE.Parser.Tests/Extractor/SuperSpeedway_720.ism.manifest.xml b/src/N_m3u8DL-RE.Parser.Tests/Extractor/SuperSpeedway_720.ism.manifest.xml
new file mode 100644
index 0000000..829885c
Binary files /dev/null and b/src/N_m3u8DL-RE.Parser.Tests/Extractor/SuperSpeedway_720.ism.manifest.xml differ
diff --git a/src/N_m3u8DL-RE.Parser.Tests/N_m3u8DL-RE.Parser.Tests.csproj b/src/N_m3u8DL-RE.Parser.Tests/N_m3u8DL-RE.Parser.Tests.csproj
index aa593d2..add5ee3 100644
--- a/src/N_m3u8DL-RE.Parser.Tests/N_m3u8DL-RE.Parser.Tests.csproj
+++ b/src/N_m3u8DL-RE.Parser.Tests/N_m3u8DL-RE.Parser.Tests.csproj
@@ -11,6 +11,7 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="FluentAssertions" Version="6.12.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0"/>
         <PackageReference Include="MSTest.TestAdapter" Version="3.0.4"/>
         <PackageReference Include="MSTest.TestFramework" Version="3.0.4"/>
@@ -21,4 +22,10 @@
       <ProjectReference Include="..\N_m3u8DL-RE.Parser\N_m3u8DL-RE.Parser.csproj" />
     </ItemGroup>
 
+    <ItemGroup>
+      <None Update="Extractor\SuperSpeedway_720.ism.manifest.xml">
+        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      </None>
+    </ItemGroup>
+
 </Project>