diff --git a/src/N_m3u8DL-RE.Parser.Tests/GlobalUsings.cs b/src/N_m3u8DL-RE.Parser.Tests/GlobalUsings.cs
new file mode 100644
index 0000000..ab67c7e
--- /dev/null
+++ b/src/N_m3u8DL-RE.Parser.Tests/GlobalUsings.cs
@@ -0,0 +1 @@
+global using Microsoft.VisualStudio.TestTools.UnitTesting;
\ No newline at end of file
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
new file mode 100644
index 0000000..aa593d2
--- /dev/null
+++ b/src/N_m3u8DL-RE.Parser.Tests/N_m3u8DL-RE.Parser.Tests.csproj
@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <RootNamespace>N_m3u8DL_RE.Parser.Tests</RootNamespace>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+        <IsTestProject>true</IsTestProject>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <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"/>
+        <PackageReference Include="coverlet.collector" Version="6.0.0"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\N_m3u8DL-RE.Parser\N_m3u8DL-RE.Parser.csproj" />
+    </ItemGroup>
+
+</Project>
diff --git a/src/N_m3u8DL-RE.Parser/N_m3u8DL-RE.Parser.csproj b/src/N_m3u8DL-RE.Parser/N_m3u8DL-RE.Parser.csproj
index 6ebd28f..dcd4751 100644
--- a/src/N_m3u8DL-RE.Parser/N_m3u8DL-RE.Parser.csproj
+++ b/src/N_m3u8DL-RE.Parser/N_m3u8DL-RE.Parser.csproj
@@ -12,5 +12,10 @@
   <ItemGroup>
     <ProjectReference Include="..\N_m3u8DL-RE.Common\N_m3u8DL-RE.Common.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleTo">
+      <_Parameter1>$(AssemblyName).Tests</_Parameter1>
+    </AssemblyAttribute>
+  </ItemGroup>
 
 </Project>
diff --git a/src/N_m3u8DL-RE.sln b/src/N_m3u8DL-RE.sln
index 8954741..0a9f207 100644
--- a/src/N_m3u8DL-RE.sln
+++ b/src/N_m3u8DL-RE.sln
@@ -9,6 +9,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "N_m3u8DL-RE.Common", "N_m3u
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "N_m3u8DL-RE.Parser", "N_m3u8DL-RE.Parser\N_m3u8DL-RE.Parser.csproj", "{0DA02925-AF3A-4598-AF01-91AE5539FCA1}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "N_m3u8DL-RE.Parser.Tests", "N_m3u8DL-RE.Parser.Tests\N_m3u8DL-RE.Parser.Tests.csproj", "{EA47AA74-8D22-48B8-8FD1-3E0F92B98AEE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{0DA02925-AF3A-4598-AF01-91AE5539FCA1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0DA02925-AF3A-4598-AF01-91AE5539FCA1}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0DA02925-AF3A-4598-AF01-91AE5539FCA1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EA47AA74-8D22-48B8-8FD1-3E0F92B98AEE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EA47AA74-8D22-48B8-8FD1-3E0F92B98AEE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EA47AA74-8D22-48B8-8FD1-3E0F92B98AEE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EA47AA74-8D22-48B8-8FD1-3E0F92B98AEE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE