Add test on __index__() method

python · vstinner · Aug 24, 2023 · Aug 24, 2023 · Aug 24, 2023 · Aug 24, 2023
commit 238d80eb84402ac7d413153b28c79a79d99a132b
diff --git a/Lib/test/test_capi/test_long.py b/Lib/test/test_capi/test_long.py
@@ -44,6 +44,14 @@ def test_long_asint(self):
             with self.subTest(value=value):
                 self.assertEqual(PyLong_AsInt(value), value)
 
+        # use __index__(), not __int__()
+        class MyIndex:
+            def __index__(self):
+                return 10
+            def __int__(self):
+                return 22
+        self.assertEqual(PyLong_AsInt(MyIndex()), 10)
+
         # bound checking
         with self.assertRaises(OverflowError):
             PyLong_AsInt(INT_MIN - 1)