[3.13] gh-131339: test PyBytes_Size for a zero-size bytes object (GH-131340) (#131343)

miss-islington · nybblista · web-flow · commit 3930b7c2589d · 2025-03-17T09:01:40.000Z
gh-131339: test PyBytes_Size for a zero-size bytes object (GH-131340) (cherry picked from commit 3ae67ba) Co-authored-by: Nybblista <170842536+nybblista@users.noreply.github.com>
diff --git a/Lib/test/test_capi/test_bytes.py b/Lib/test/test_capi/test_bytes.py
@@ -93,6 +93,7 @@ def test_size(self):
         # 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'))
