Fix #3634 invalid return value from _weakref.ref(Exception).__init__
Reviewers: Amaury, Antoine, Benjamin
diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
index c70804e..aeafdda 100644
--- a/Lib/test/test_weakref.py
+++ b/Lib/test/test_weakref.py
@@ -665,6 +665,14 @@
w = Target()
+ def test_init(self):
+ # Issue 3634
+ # <weakref to class>.__init__() doesn't check errors correctly
+ r = weakref.ref(Exception)
+ self.assertRaises(TypeError, r.__init__, 0, 0, 0, 0, 0)
+ # No exception should be raised here
+ gc.collect()
+
class SubclassableWeakrefTestCase(TestBase):