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Regression test for SF bug #478534 -- exceptions could "leak" into a weakref

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callback.
This commit is contained in:
Fred Drake 2001-12-10 23:46:02 +00:00
parent ef8ebd1e74
commit 2a64f4693d
1 changed files with 25 additions and 0 deletions
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25
Lib/test/test_weakref.py
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@ -227,6 +227,31 @@ class ReferencesTestCase(TestBase):
self.assert_(p + 1.0 == 3.0) self.assert_(p + 1.0 == 3.0)
self.assert_(1.0 + p == 3.0) # this used to SEGV self.assert_(1.0 + p == 3.0) # this used to SEGV
def test_callbacks_protected(self):
"""Callbacks protected from already-set exceptions?"""
# Regression test for SF bug #478534.
class BogusError(Exception):
pass
data = {}
def remove(k):
del data[k]
def encapsulate():
f = lambda : ()
data[weakref.ref(f, remove)] = None
raise BogusError
try:
encapsulate()
except BogusError:
pass
else:
self.fail("exception not properly restored")
try:
encapsulate()
except BogusError:
pass
else:
self.fail("exception not properly restored")
class Object: class Object:
def __init__(self, arg): def __init__(self, arg):