From 00dcd931cb7c35e8d8a209eb4fd7828b661011de Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Mon, 2 Mar 2026 03:35:08 +0000
Subject: [PATCH] test(fs-safe): assert directory-read errors never leak EISDIR
 text

---
 src/infra/fs-safe.test.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/infra/fs-safe.test.ts b/src/infra/fs-safe.test.ts
index bed764642eb..23d6a868542 100644
--- a/src/infra/fs-safe.test.ts
+++ b/src/infra/fs-safe.test.ts
@@ -35,6 +35,9 @@ describe("fs-safe", () => {
     await expect(readLocalFileSafely({ filePath: dir })).rejects.toMatchObject({
       code: "not-file",
     });
+    const err = await readLocalFileSafely({ filePath: dir }).catch((e: unknown) => e);
+    expect(err).toBeInstanceOf(SafeOpenError);
+    expect((err as SafeOpenError).message).not.toMatch(/EISDIR/i);
   });
 
   it("enforces maxBytes", async () => {