From 36e9c29b07c273afa5c1b0b55922ffd649796847 Mon Sep 17 00:00:00 2001
From: Felipe Pena <felipensp@gmail.com>
Date: Mon, 21 Oct 2024 06:31:37 -0300
Subject: [PATCH] cgen: add test for #22586 (#22600)

---
 vlib/v/tests/c_structs/cstruct_alias.h      | 19 +++++++++++++++++
 vlib/v/tests/c_structs/cstruct_alias_test.v | 23 +++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 vlib/v/tests/c_structs/cstruct_alias.h
 create mode 100644 vlib/v/tests/c_structs/cstruct_alias_test.v

diff --git a/vlib/v/tests/c_structs/cstruct_alias.h b/vlib/v/tests/c_structs/cstruct_alias.h
new file mode 100644
index 000000000..0084fd59c
--- /dev/null
+++ b/vlib/v/tests/c_structs/cstruct_alias.h
@@ -0,0 +1,19 @@
+typedef struct Camera3D {
+    int a;
+} Camera3D;
+
+typedef  Camera3D Camera;
+
+typedef struct Vector3 {
+    float x;                // Vector x component
+    float y;                // Vector y component
+    float z;                // Vector z component
+} Vector3;
+
+void UpdateCamera(Camera *camera, int mode)
+{
+}
+
+void UpdateCameraPro(Camera *Camera, Vector3 movement , Vector3 rotation, float zoom)
+{
+}
\ No newline at end of file
diff --git a/vlib/v/tests/c_structs/cstruct_alias_test.v b/vlib/v/tests/c_structs/cstruct_alias_test.v
new file mode 100644
index 000000000..17b7f3353
--- /dev/null
+++ b/vlib/v/tests/c_structs/cstruct_alias_test.v
@@ -0,0 +1,23 @@
+#insert "@VMODROOT/cstruct_alias.h"
+
+@[typedef]
+pub struct C.Camera3D {
+}
+
+pub type Camera3D = C.Camera3D
+pub type Camera = C.Camera3D
+
+// Update camera position for selected mode
+pub fn C.UpdateCamera(camera &Camera, mode int)
+
+enum CameraMode {
+	camera_free
+}
+
+fn test_main() {
+	mut camera := &Camera{}
+	C.UpdateCamera(camera, int(CameraMode.camera_free))
+
+	mut camera3d := &Camera3D{}
+	C.UpdateCamera(camera3d, int(CameraMode.camera_free))
+}
-- 
2.39.5