fix warning IDE0130

smdn · smdn · commit 8119a00ca3b4 · 2025-06-30T01:35:06.000+09:00
diff --git a/tests/Smdn.Fundamental.Buffer/Smdn.Fundamental.Buffer.Tests.csproj b/tests/Smdn.Fundamental.Buffer/Smdn.Fundamental.Buffer.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.ByteString/Smdn.Fundamental.ByteString.Tests.csproj b/tests/Smdn.Fundamental.ByteString/Smdn.Fundamental.ByteString.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Collection/Smdn.Fundamental.Collection.Tests.csproj b/tests/Smdn.Fundamental.Collection/Smdn.Fundamental.Collection.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.ControlPicture/Smdn.Fundamental.ControlPicture.Tests.csproj b/tests/Smdn.Fundamental.ControlPicture/Smdn.Fundamental.ControlPicture.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.CryptoTransform/Smdn.Fundamental.CryptoTransform.Tests.csproj b/tests/Smdn.Fundamental.CryptoTransform/Smdn.Fundamental.CryptoTransform.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Csv/Smdn.Fundamental.Csv.Tests.csproj b/tests/Smdn.Fundamental.Csv/Smdn.Fundamental.Csv.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.Encoding.Buffer/Smdn.Fundamental.Encoding.Buffer.Tests.csproj b/tests/Smdn.Fundamental.Encoding.Buffer/Smdn.Fundamental.Encoding.Buffer.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.Encoding.OctetEncoding/Smdn.Fundamental.Encoding.OctetEncoding.Tests.csproj b/tests/Smdn.Fundamental.Encoding.OctetEncoding/Smdn.Fundamental.Encoding.OctetEncoding.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.Encoding/Smdn.Fundamental.Encoding.Tests.csproj b/tests/Smdn.Fundamental.Encoding/Smdn.Fundamental.Encoding.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Exception/Smdn.Fundamental.Exception.Tests.csproj b/tests/Smdn.Fundamental.Exception/Smdn.Fundamental.Exception.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.FileSystem/Smdn.Fundamental.FileSystem.Tests.csproj b/tests/Smdn.Fundamental.FileSystem/Smdn.Fundamental.FileSystem.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.FourCC/Smdn.Fundamental.FourCC.Tests.csproj b/tests/Smdn.Fundamental.FourCC/Smdn.Fundamental.FourCC.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.Math/Smdn.Fundamental.Math.Tests.csproj b/tests/Smdn.Fundamental.Math/Smdn.Fundamental.Math.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.MimeHeader/Smdn.Fundamental.MimeHeader.Tests.csproj b/tests/Smdn.Fundamental.MimeHeader/Smdn.Fundamental.MimeHeader.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.MimeType/Smdn.Fundamental.MimeType.Tests.csproj b/tests/Smdn.Fundamental.MimeType/Smdn.Fundamental.MimeType.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net471</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
diff --git a/tests/Smdn.Fundamental.ParamArray/Smdn.Fundamental.ParamArray.Tests.csproj b/tests/Smdn.Fundamental.ParamArray/Smdn.Fundamental.ParamArray.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.PortNumber/Smdn.Fundamental.PortNumber.Tests.csproj b/tests/Smdn.Fundamental.PortNumber/Smdn.Fundamental.PortNumber.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net472;net462</TargetFrameworks>
-    <RootNamespace>Smdn.Net</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
     <Nullable>enable</Nullable>
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.PrintableEncoding.Base64/Smdn.Fundamental.PrintableEncoding.Base64.Tests.csproj b/tests/Smdn.Fundamental.PrintableEncoding.Base64/Smdn.Fundamental.PrintableEncoding.Base64.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.PrintableEncoding.Hexadecimal/Smdn.Fundamental.PrintableEncoding.Hexadecimal.Tests.csproj b/tests/Smdn.Fundamental.PrintableEncoding.Hexadecimal/Smdn.Fundamental.PrintableEncoding.Hexadecimal.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.PrintableEncoding.MimeEncoding/Smdn.Fundamental.PrintableEncoding.MimeEncoding.Tests.csproj b/tests/Smdn.Fundamental.PrintableEncoding.MimeEncoding/Smdn.Fundamental.PrintableEncoding.MimeEncoding.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.PrintableEncoding.ModifiedBase64/Smdn.Fundamental.PrintableEncoding.ModifiedBase64.Tests.csproj b/tests/Smdn.Fundamental.PrintableEncoding.ModifiedBase64/Smdn.Fundamental.PrintableEncoding.ModifiedBase64.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.PrintableEncoding.PercentEncoding/Smdn.Fundamental.PrintableEncoding.PercentEncoding.Tests.csproj b/tests/Smdn.Fundamental.PrintableEncoding.PercentEncoding/Smdn.Fundamental.PrintableEncoding.PercentEncoding.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.PrintableEncoding.QuotedPrintable/Smdn.Fundamental.PrintableEncoding.QuotedPrintable.Tests.csproj b/tests/Smdn.Fundamental.PrintableEncoding.QuotedPrintable/Smdn.Fundamental.PrintableEncoding.QuotedPrintable.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.PrintableEncoding.UUEncoding/Smdn.Fundamental.PrintableEncoding.UUEncoding.Tests.csproj b/tests/Smdn.Fundamental.PrintableEncoding.UUEncoding/Smdn.Fundamental.PrintableEncoding.UUEncoding.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Reflection/Smdn.Fundamental.Reflection.Tests.csproj b/tests/Smdn.Fundamental.Reflection/Smdn.Fundamental.Reflection.Tests.csproj
@@ -7,7 +7,7 @@ SPDX-License-Identifier: MIT
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net471;net462</TargetFrameworks>
 
-    <RootNamespace>Smdn.Reflection</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
     <Nullable>warnings</Nullable>
     <EnablePreviewFeatures Condition="$(TargetFramework.StartsWith('net7'))">true</EnablePreviewFeatures>
   </PropertyGroup>
diff --git a/tests/Smdn.Fundamental.RegularExpression/Smdn.Fundamental.RegularExpression.Tests.csproj b/tests/Smdn.Fundamental.RegularExpression/Smdn.Fundamental.RegularExpression.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.RuntimeInformation/Smdn.Fundamental.RuntimeInformation.Tests.csproj b/tests/Smdn.Fundamental.RuntimeInformation/Smdn.Fundamental.RuntimeInformation.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net47;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.SIPrefix/Smdn.Fundamental.SIPrefix.Tests.csproj b/tests/Smdn.Fundamental.SIPrefix/Smdn.Fundamental.SIPrefix.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.Shell/Smdn.Fundamental.Shell.Tests.csproj b/tests/Smdn.Fundamental.Shell/Smdn.Fundamental.Shell.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.Shim/Smdn.Fundamental.Shim.Tests.csproj b/tests/Smdn.Fundamental.Shim/Smdn.Fundamental.Shim.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <Import
diff --git a/tests/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat.Tests.csproj b/tests/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Stream.BinaryReaderWriter/Smdn.Fundamental.Stream.BinaryReaderWriter.Tests.csproj b/tests/Smdn.Fundamental.Stream.BinaryReaderWriter/Smdn.Fundamental.Stream.BinaryReaderWriter.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.Stream.Caching/Smdn.Fundamental.Stream.Caching.Tests.csproj b/tests/Smdn.Fundamental.Stream.Caching/Smdn.Fundamental.Stream.Caching.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Stream.Extending/Smdn.Fundamental.Stream.Extending.Tests.csproj b/tests/Smdn.Fundamental.Stream.Extending/Smdn.Fundamental.Stream.Extending.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Stream.Filtering/Smdn.Fundamental.Stream.Filtering.Tests.csproj b/tests/Smdn.Fundamental.Stream.Filtering/Smdn.Fundamental.Stream.Filtering.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Stream.LineOriented/Smdn.Fundamental.Stream.LineOriented.Tests.csproj b/tests/Smdn.Fundamental.Stream.LineOriented/Smdn.Fundamental.Stream.LineOriented.Tests.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/Smdn.Fundamental.Stream.TextReader/Smdn.Fundamental.Stream.TextReader.Tests.csproj b/tests/Smdn.Fundamental.Stream.TextReader/Smdn.Fundamental.Stream.TextReader.Tests.csproj
@@ -6,6 +6,6 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkDotNet80)' == 'true' ">net8.0;$(TargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(EnableTargetFrameworkNetFx)' == 'true' ">$(TargetFrameworks);net48;net462</TargetFrameworks>
-    <RootNamespace>Smdn</RootNamespace>
+    <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0130 -->
   </PropertyGroup>
 </Project>
diff --git a/tests/Smdn.Fundamental.Stream/Smdn.Fundamental.Stream.Tests.csproj b/tests/Smdn.Fundamental.Stream/Smdn.Fundamental.Stream.Tests.csproj
diff --git a/tests/Smdn.Fundamental.String.Replacement/Smdn.Fundamental.String.Replacement.Tests.csproj b/tests/Smdn.Fundamental.String.Replacement/Smdn.Fundamental.String.Replacement.Tests.csproj
diff --git a/tests/Smdn.Fundamental.Stringification/Smdn.Fundamental.Stringification.Tests.csproj b/tests/Smdn.Fundamental.Stringification/Smdn.Fundamental.Stringification.Tests.csproj
diff --git a/tests/Smdn.Fundamental.UInt24n/Smdn.Fundamental.UInt24n.Tests.csproj b/tests/Smdn.Fundamental.UInt24n/Smdn.Fundamental.UInt24n.Tests.csproj
diff --git a/tests/Smdn.Fundamental.Uri/Smdn.Fundamental.Uri.Tests.csproj b/tests/Smdn.Fundamental.Uri/Smdn.Fundamental.Uri.Tests.csproj
diff --git a/tests/Smdn.Fundamental.Uuid/Smdn.Fundamental.Uuid.Tests.csproj b/tests/Smdn.Fundamental.Uuid/Smdn.Fundamental.Uuid.Tests.csproj
diff --git a/tests/Smdn.Fundamental.Xml.Linq/Smdn.Fundamental.Xml.Linq.Tests.csproj b/tests/Smdn.Fundamental.Xml.Linq/Smdn.Fundamental.Xml.Linq.Tests.csproj
diff --git a/tests/Smdn.Fundamental.Xml.Xhtml/Smdn.Fundamental.Xml.Xhtml.Tests.csproj b/tests/Smdn.Fundamental.Xml.Xhtml/Smdn.Fundamental.Xml.Xhtml.Tests.csproj
diff --git a/tests/Smdn.Test.NUnit.Utils/Smdn.Test.NUnit.Utils.Tests.csproj b/tests/Smdn.Test.NUnit.Utils/Smdn.Test.NUnit.Utils.Tests.csproj
diff --git a/tests/Smdn/Smdn.Tests.csproj b/tests/Smdn/Smdn.Tests.csproj
