chore: switch stub tests

test/Sentry.Unity.Editor.Tests/Native/SwitchNativeStubTests.cs

@@ -0,0 +1,44 @@
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Text.RegularExpressions;
+using NUnit.Framework;
+
+namespace Sentry.Unity.Editor.Tests.Native;
+
+public class SwitchNativeStubTests
+{
+    [Test]
+    public void Stub_ContainsEverySwitchNativeBinding()
+    {
+        var packageRoot = Path.GetFullPath(Path.Combine(
+            Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)!, "..", ".."));
+        var switchAssemblyPath = Path.Combine(packageRoot, "Runtime", "Sentry.Unity.Native.Switch.dll");
+        var stubPath = Path.Combine(packageRoot, "Plugins", "Switch", "sentry_native_stubs.c");
+
+        Assert.That(File.Exists(switchAssemblyPath), Is.True, $"Switch assembly not found at {switchAssemblyPath}");
+        Assert.That(File.Exists(stubPath), Is.True, $"Switch stubs not found at {stubPath}");
+
+        var switchAssembly = Assembly.LoadFrom(switchAssemblyPath);
+        var entryPoints = switchAssembly
+            .GetTypes()
+            .SelectMany(type => type.GetMethods(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static))
+            .Select(method => (Method: method, Import: method.GetCustomAttribute<DllImportAttribute>()))
+            .Where(binding => binding.Import?.Value == "__Internal")
+            .Select(binding => binding.Import!.EntryPoint is { Length: > 0 } entryPoint
+                ? entryPoint
+                : binding.Method.Name)
+            .Distinct()
+            .ToList();
+
+        Assert.That(entryPoints, Is.Not.Empty);
+
+        var stubContent = File.ReadAllText(stubPath);
+        foreach (var entryPoint in entryPoints)
+        {
+            Assert.That(Regex.IsMatch(stubContent, $@"\b{Regex.Escape(entryPoint)}\s*\("), Is.True,
+                $"Switch binding '{entryPoint}' not found in {stubPath}");
+        }
+    }
+}