bpo-31787: Prevent refleaks when calling __init__() more than once (GH-3995)
(cherry picked from commit d019bc8319ea35e93bf4baa38098ff1b57cd3ee5)
Co-authored-by: Oren Milman <orenmn@gmail.com>
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index d24d005..0e7728e 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -1559,6 +1559,15 @@
del cm.x
self.assertNotHasAttr(cm, "x")
+ @support.refcount_test
+ def test_refleaks_in_classmethod___init__(self):
+ gettotalrefcount = support.get_attribute(sys, 'gettotalrefcount')
+ cm = classmethod(None)
+ refs_before = gettotalrefcount()
+ for i in range(100):
+ cm.__init__(None)
+ self.assertAlmostEqual(gettotalrefcount() - refs_before, 0, delta=10)
+
@support.impl_detail("the module 'xxsubtype' is internal")
def test_classmethods_in_c(self):
# Testing C-based class methods...
@@ -1614,6 +1623,15 @@
del sm.x
self.assertNotHasAttr(sm, "x")
+ @support.refcount_test
+ def test_refleaks_in_staticmethod___init__(self):
+ gettotalrefcount = support.get_attribute(sys, 'gettotalrefcount')
+ sm = staticmethod(None)
+ refs_before = gettotalrefcount()
+ for i in range(100):
+ sm.__init__(None)
+ self.assertAlmostEqual(gettotalrefcount() - refs_before, 0, delta=10)
+
@support.impl_detail("the module 'xxsubtype' is internal")
def test_staticmethods_in_c(self):
# Testing C-based static methods...