From f5f78dac06188d904f694c6bab7449ada1e779e9 Mon Sep 17 00:00:00 2001
From: bstordrup <bstordrup@gmail.com>
Date: Sun, 8 Jun 2025 21:39:13 +0200
Subject: [PATCH] Test for both .sln and .slnx when searching for solution file

---
 .../Toolchains/DotNetCli/DotNetCliGenerator.cs                | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/BenchmarkDotNet/Toolchains/DotNetCli/DotNetCliGenerator.cs b/src/BenchmarkDotNet/Toolchains/DotNetCli/DotNetCliGenerator.cs
index a432fbf881..aaa2cda154 100644
--- a/src/BenchmarkDotNet/Toolchains/DotNetCli/DotNetCliGenerator.cs
+++ b/src/BenchmarkDotNet/Toolchains/DotNetCli/DotNetCliGenerator.cs
@@ -12,6 +12,8 @@ public abstract class DotNetCliGenerator : GeneratorBase
     {
         private static readonly string[] ProjectExtensions = { ".csproj", ".fsproj", ".vbroj" };
 
+        private static readonly string[] SolutionExtensions = { ".sln", ".slnx" };
+
         [PublicAPI] public string TargetFrameworkMoniker { get; }
 
         [PublicAPI] public string CliPath { get; }
@@ -111,7 +113,7 @@ protected override void GenerateBuildScript(BuildPartition buildPartition, Artif
         private static bool IsRootSolutionFolder(DirectoryInfo directoryInfo)
             => directoryInfo
                 .GetFileSystemInfos()
-                .Any(fileInfo => fileInfo.Extension == ".sln" || fileInfo.Name == "global.json");
+                .Any(fileInfo => SolutionExtensions.Contains(fileInfo.Extension) || fileInfo.Name == "global.json");
 
         private static bool IsRootProjectFolder(DirectoryInfo directoryInfo)
             => directoryInfo