Issue #13577: Built-in methods and functions now have a __qualname__.
Patch by sbt.
diff --git a/Lib/test/test_funcattrs.py b/Lib/test/test_funcattrs.py
index f4a38b9..c8ed830 100644
--- a/Lib/test/test_funcattrs.py
+++ b/Lib/test/test_funcattrs.py
@@ -342,11 +342,37 @@
self.assertTrue(s.__func__ is f)
+class BuiltinFunctionPropertiesTest(unittest.TestCase):
+ # XXX Not sure where this should really go since I can't find a
+ # test module specifically for builtin_function_or_method.
+
+ def test_builtin__qualname__(self):
+ import time
+
+ # builtin function:
+ self.assertEqual(len.__qualname__, 'len')
+ self.assertEqual(time.time.__qualname__, 'time')
+
+ # builtin classmethod:
+ self.assertEqual(dict.fromkeys.__qualname__, 'dict.fromkeys')
+ self.assertEqual(float.__getformat__.__qualname__,
+ 'float.__getformat__')
+
+ # builtin staticmethod:
+ self.assertEqual(str.maketrans.__qualname__, 'str.maketrans')
+ self.assertEqual(bytes.maketrans.__qualname__, 'bytes.maketrans')
+
+ # builtin bound instance method:
+ self.assertEqual([1, 2, 3].append.__qualname__, 'list.append')
+ self.assertEqual({'foo': 'bar'}.pop.__qualname__, 'dict.pop')
+
+
def test_main():
support.run_unittest(FunctionPropertiesTest, InstancemethodAttrTest,
ArbitraryFunctionAttrTest, FunctionDictsTest,
FunctionDocstringTest, CellTest,
- StaticMethodAttrsTest)
+ StaticMethodAttrsTest,
+ BuiltinFunctionPropertiesTest)
if __name__ == "__main__":
test_main()