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gh-102250: Fix double-decref in COMPARE_AND_BRANCH error case (GH-102287)

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Dennis Sweeney 2023-02-27 05:46:40 -05:00 • committed by GitHub
parent 101a12c576
commit e3c3f9fec0
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4 changed files with 23 additions and 6 deletions
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20
Lib/test/test_bool.py
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@ -319,6 +319,26 @@ class BoolTest(unittest.TestCase):
return -1
self.assertRaises(ValueError, bool, Eggs())
def test_interpreter_convert_to_bool_raises(self):
class SymbolicBool:
def __bool__(self):
raise TypeError
class Symbol:
def __gt__(self, other):
return SymbolicBool()
x = Symbol()
with self.assertRaises(TypeError):
if x > 0:
msg = "x > 0 was true"
else:
msg = "x > 0 was false"
# This used to create negative refcounts, see gh-102250
del x
def test_from_bytes(self):
self.assertIs(bool.from_bytes(b'\x00'*8, 'big'), False)
self.assertIs(bool.from_bytes(b'abcd', 'little'), True)