1 files changed, 15 insertions, 0 deletions
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/GlobalClass.GD0402.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/GlobalClass.GD0402.cs
new file mode 100644
index 0000000000..1c0a169841
--- /dev/null
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/GlobalClass.GD0402.cs
@@ -0,0 +1,15 @@
+using Godot;
+
+// This works because it inherits from GodotObject and it doesn't have any generic type parameter.
+[GlobalClass]
+public partial class CustomGlobalClass : GodotObject 
+{
+
+}
+
+// This raises a GD0402 diagnostic error: global classes can't have any generic type parameter
+{|GD0402:[GlobalClass]
+public partial class CustomGlobalClass<T> : GodotObject
+{
+
+}|}