From d296b89450ce216258a45b5bb296cfbc6dd6ff09 Mon Sep 17 00:00:00 2001
From: Brandon Ording <bording@gmail.com>
Date: Thu, 16 Jul 2026 18:01:54 -0400
Subject: [PATCH 1/2] Use AssemblyLoadContext

---
 src/Particular.AnalyzerTesting/BaseCompilationTest.cs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/Particular.AnalyzerTesting/BaseCompilationTest.cs b/src/Particular.AnalyzerTesting/BaseCompilationTest.cs
index d712754..398e51e 100644
--- a/src/Particular.AnalyzerTesting/BaseCompilationTest.cs
+++ b/src/Particular.AnalyzerTesting/BaseCompilationTest.cs
@@ -1,8 +1,8 @@
 namespace Particular.AnalyzerTesting;
 
-using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Loader;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.Diagnostics;
@@ -22,8 +22,7 @@ private protected BaseCompilationTest(string? outputAssemblyName = null)
     {
         this.outputAssemblyName = outputAssemblyName ?? "TestAssembly";
 
-        var assemblies = AppDomain.CurrentDomain.GetAssemblies();
-        foreach (var assembly in assemblies)
+        foreach (var assembly in AssemblyLoadContext.Default.Assemblies)
         {
             if (!assembly.IsDynamic && !string.IsNullOrWhiteSpace(assembly.Location))
             {

From 43bd9cc8af891372d4fc29a58c538e73ffcaaf8d Mon Sep 17 00:00:00 2001
From: Brandon Ording <bording@gmail.com>
Date: Thu, 16 Jul 2026 18:02:43 -0400
Subject: [PATCH 2/2] Add references to framework assemblies

---
 .../BaseCompilationTest.cs                         | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/Particular.AnalyzerTesting/BaseCompilationTest.cs b/src/Particular.AnalyzerTesting/BaseCompilationTest.cs
index 398e51e..0cd3e61 100644
--- a/src/Particular.AnalyzerTesting/BaseCompilationTest.cs
+++ b/src/Particular.AnalyzerTesting/BaseCompilationTest.cs
@@ -1,7 +1,10 @@
 namespace Particular.AnalyzerTesting;
 
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using System.Reflection.PortableExecutable;
+using System.Runtime.InteropServices;
 using System.Runtime.Loader;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
@@ -29,6 +32,17 @@ private protected BaseCompilationTest(string? outputAssemblyName = null)
                 References.Add(MetadataReference.CreateFromFile(assembly.Location));
             }
         }
+
+        foreach (var assemblyPath in Directory.EnumerateFiles(RuntimeEnvironment.GetRuntimeDirectory(), "*.dll"))
+        {
+            using var stream = File.OpenRead(assemblyPath);
+            using var file = new PEReader(stream);
+
+            if (file.HasMetadata)
+            {
+                References.Add(MetadataReference.CreateFromFile(assemblyPath));
+            }
+        }
     }
 
     private protected TSelf Self => (TSelf)this;