commit 816a5ff3b218ac374f89bf3cda0d13f47b7bd92e
author Serhiy Storchaka <storchaka@gmail.com> Sat May 07 15:41:09 2016 +0300
committer Serhiy Storchaka <storchaka@gmail.com> Sat May 07 15:41:09 2016 +0300
tree 4c97c70fda3f69c42196da80fd7dcea299c65e0b
parent b4905efe23c3e158a3c494d40988ce6de6bde3cd

Issue #17765: weakref.ref() no longer silently ignores keyword arguments.
Patch by Georg Brandl.

Lib/test/test_weakref.py

diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
index b7f985c..4073d49 100644
--- a/Lib/test/test_weakref.py
+++ b/Lib/test/test_weakref.py
@@ -116,6 +116,10 @@
         ref1 = weakref.ref(c, callback)
         del c
 
+    def test_constructor_kwargs(self):
+        c = C()
+        self.assertRaises(TypeError, weakref.ref, c, callback=None)
+
     def test_proxy_ref(self):
         o = C()
         o.bar = 1