From 0a734a94a13733c2950d7edbac08499c6f2c108a Mon Sep 17 00:00:00 2001
From: workgroupengineering <workgroupengineering@users.noreply.github.com>
Date: Fri, 27 Oct 2023 03:41:43 +0200
Subject: [PATCH] feat: set RuntimeHostConfigurationOption on generated project
 (#2453)

* test: RuntimeHostConfigurationOptionIsCopied

* feat: set RuntimeHostConfigurationOption on generated project
---
 .../Toolchains/CsProj/CsProjGenerator.cs      |  3 ++-
 .../CsProjGeneratorTests.cs                   | 25 ++++++++++++++++++-
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/BenchmarkDotNet/Toolchains/CsProj/CsProjGenerator.cs b/src/BenchmarkDotNet/Toolchains/CsProj/CsProjGenerator.cs
index af12d018b5..eaf1da4683 100644
--- a/src/BenchmarkDotNet/Toolchains/CsProj/CsProjGenerator.cs
+++ b/src/BenchmarkDotNet/Toolchains/CsProj/CsProjGenerator.cs
@@ -34,7 +34,8 @@ public class CsProjGenerator : DotNetCliGenerator, IEquatable<CsProjGenerator>
             "CopyLocalLockFileAssemblies",
             "PreserveCompilationContext",
             "UserSecretsId",
-            "EnablePreviewFeatures"
+            "EnablePreviewFeatures",
+            "RuntimeHostConfigurationOption",
         }.ToImmutableArray();
 
         public string RuntimeFrameworkVersion { get; }
diff --git a/tests/BenchmarkDotNet.Tests/CsProjGeneratorTests.cs b/tests/BenchmarkDotNet.Tests/CsProjGeneratorTests.cs
index 715d7dad64..323da8ddba 100644
--- a/tests/BenchmarkDotNet.Tests/CsProjGeneratorTests.cs
+++ b/tests/BenchmarkDotNet.Tests/CsProjGeneratorTests.cs
@@ -18,6 +18,11 @@ namespace BenchmarkDotNet.Tests
     public class CsProjGeneratorTests
     {
         private FileInfo TestAssemblyFileInfo = new FileInfo(typeof(CsProjGeneratorTests).Assembly.Location);
+        private const string runtimeHostConfigurationOptionChunk = """
+<ItemGroup>
+  <RuntimeHostConfigurationOption Include="System.Runtime.Loader.UseRidGraph" Value="true" />
+</ItemGroup>
+""";
 
         [Theory]
         [InlineData("net471", false)]
@@ -68,7 +73,7 @@ private void AssertParsedSdkName(string csProjContent, string targetFrameworkMon
 
         private static void AssertCustomProperties(string expected, string actual)
         {
-            Assert.Equal(expected.Replace(Environment.NewLine, "\n").Replace("\n", Environment.NewLine), actual);
+            Assert.Equal(expected.Replace("\r", "").Replace("\n", Environment.NewLine), actual);
         }
 
         [Fact]
@@ -158,6 +163,24 @@ public void SettingsFromPropsFileImportedUsingRelativePathGetCopies()
             File.Delete(propsFilePath);
         }
 
+        [Fact]
+        public void RuntimeHostConfigurationOptionIsCopied()
+        {
+            string source = $@"
+<Project Sdk=""Microsoft.NET.Sdk"">
+{runtimeHostConfigurationOptionChunk}
+</Project>";
+
+            var sut = new CsProjGenerator("netcoreapp3.0", null, null, null, true);
+
+            var xmlDoc = new XmlDocument();
+            xmlDoc.LoadXml(source);
+            var (customProperties, sdkName) = sut.GetSettingsThatNeedToBeCopied(xmlDoc, TestAssemblyFileInfo);
+
+            AssertCustomProperties(runtimeHostConfigurationOptionChunk, customProperties);
+            Assert.Equal("Microsoft.NET.Sdk", sdkName);
+        }
+
         [Fact]
         public void TheDefaultFilePathShouldBeUsedWhenAnAssemblyLocationIsEmpty()
         {