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gh-94808: Cover PyObject_PyBytes case with custom __bytes__ method #96610

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merged 2 commits into from
Oct 6, 2022
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gh-94808: Cover PyObject_PyBytes case with custom __bytes__ method #96610

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gh-94808: Cover `PyObject_PyBytes` case with custom `__bytes__` method
sobolevn Sep 6, 2022
27d5e5c
Update Lib/test/test_long.py
sobolevn Oct 6, 2022
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16 changes: 16 additions & 0 deletions Lib/test/test_long.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1518,6 +1518,22 @@ def __init__(self, value):
self.assertEqual(i, 1)
self.assertEqual(getattr(i, 'foo', 'none'), 'bar')

class ValidBytes:
def __bytes__(self):
return b'\x01'
class InvalidBytes:
def __bytes__(self):
return 'abc'
class MissingBytes: ...
class RaisingBytes:
def __bytes__(self):
1 / 0

self.assertEqual(int.from_bytes(ValidBytes()), 1)
self.assertRaises(TypeError, int.from_bytes, InvalidBytes())
self.assertRaises(TypeError, int.from_bytes, MissingBytes())
self.assertRaises(ZeroDivisionError, int.from_bytes, RaisingBytes())

@support.cpython_only
def test_from_bytes_small(self):
# bpo-46361
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