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[3.11] gh-101266: Revert fix __sizeof__ for subclasses of int (#101638)

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Revert "[3.11] gh-101266: Fix __sizeof__ for subclasses of int (GH-101394) (#101579)"

This reverts commit cf89c16486.
This commit is contained in:
Mark Dickinson 2023-02-07 11:44:43 +00:00 • committed by GitHub
parent c993ffa477
commit 358b02dac4
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4 changed files with 9 additions and 48 deletions
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39
Lib/test/test_long.py
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@ -1596,44 +1596,5 @@ def test_square(self):
self.assertEqual(n**2,
(1 << (2 * bitlen)) - (1 << (bitlen + 1)) + 1)
def test___sizeof__(self):
self.assertEqual(int.__itemsize__, sys.int_info.sizeof_digit)
# Pairs (test_value, number of allocated digits)
test_values = [
# We always allocate space for at least one digit, even for
# a value of zero; sys.getsizeof should reflect that.
(0, 1),
(1, 1),
(-1, 1),
(BASE-1, 1),
(1-BASE, 1),
(BASE, 2),
(-BASE, 2),
(BASE*BASE - 1, 2),
(BASE*BASE, 3),
]
for value, ndigits in test_values:
with self.subTest(value):
self.assertEqual(
value.__sizeof__(),
int.__basicsize__ + int.__itemsize__ * ndigits
)
# Same test for a subclass of int.
class MyInt(int):
pass
self.assertEqual(MyInt.__itemsize__, sys.int_info.sizeof_digit)
for value, ndigits in test_values:
with self.subTest(value):
self.assertEqual(
MyInt(value).__sizeof__(),
MyInt.__basicsize__ + MyInt.__itemsize__ * ndigits
)
if __name__ == "__main__":
unittest.main()