From 48c562f2de816ba1b81264a74e271c909ba7d530 Mon Sep 17 00:00:00 2001
From: Polly Labs <pollychen.lab@gmail.com>
Date: Mon, 3 Aug 2026 00:09:34 -0500
Subject: [PATCH] test(diff): cover empty storage diff

---
 test/diff.test.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/diff.test.ts b/test/diff.test.ts
index 5188572..25971c7 100644
--- a/test/diff.test.ts
+++ b/test/diff.test.ts
@@ -120,4 +120,11 @@ describe('diffStorage', () => {
     const result = diffStorage(before, after);
     expect(result[0].status).toBe('unchanged');
   });
+
+  it('returns no entries when a call touches no storage', () => {
+    const before = new Map<string, unknown>();
+    const after = new Map<string, unknown>();
+
+    expect(diffStorage(before, after)).toEqual([]);
+  });
 });