From 3930b7c2589d33cb1542e13c7b302149b5a74db1 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 17 Mar 2025 10:01:40 +0100
Subject: [PATCH] [3.13] gh-131339: test PyBytes_Size for a zero-size bytes
 object (GH-131340) (#131343)

gh-131339: test PyBytes_Size for a zero-size bytes object (GH-131340)
(cherry picked from commit 3ae67ba97e88d6f066a5b6f0c809f57fe4a1ecbe)

Co-authored-by: Nybblista <170842536+nybblista@users.noreply.github.com>
---
 Lib/test/test_capi/test_bytes.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lib/test/test_capi/test_bytes.py b/Lib/test/test_capi/test_bytes.py
index d5f047bcf18..ab6f091d0d9 100644
--- a/Lib/test/test_capi/test_bytes.py
+++ b/Lib/test/test_capi/test_bytes.py
@@ -93,6 +93,7 @@ class CAPITest(unittest.TestCase):
         # Test PyBytes_Size()
         size = _testlimitedcapi.bytes_size
 
+        self.assertEqual(size(b''), 0)
         self.assertEqual(size(b'abc'), 3)
         self.assertEqual(size(BytesSubclass(b'abc')), 3)
         self.assertRaises(TypeError, size, bytearray(b'abc'))