From 2351caa9cf92ba55fb3b5197f9c51ee06281b1c9 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sat, 14 Mar 2026 01:01:27 +0000
Subject: [PATCH] test: tighten prototype key matching

---
 src/infra/prototype-keys.test.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/infra/prototype-keys.test.ts b/src/infra/prototype-keys.test.ts
index f2bd8287226..98014b71450 100644
--- a/src/infra/prototype-keys.test.ts
+++ b/src/infra/prototype-keys.test.ts
@@ -7,7 +7,7 @@ describe("isBlockedObjectKey", () => {
       expect(isBlockedObjectKey(key)).toBe(true);
     }
 
-    for (const key of ["toString", "value", "constructorName"]) {
+    for (const key of ["toString", "value", "constructorName", "__proto__x", "Prototype"]) {
       expect(isBlockedObjectKey(key)).toBe(false);
     }
   });