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Issue #24731: Fixed crash on converting objects with special methods

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__bytes__, __trunc__, and __float__ returning instances of subclasses of
bytes, int, and float to subclasses of bytes, int, and float correspondingly.
This commit is contained in:
Serhiy Storchaka 2015-11-25 15:47:01 +02:00
parent a49de6be36
commit 15095800a3
8 changed files with 50 additions and 10 deletions
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7
Lib/test/test_int.py
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@ -24,6 +24,9 @@ L = [
("\u0200", ValueError)
]
class IntSubclass(int):
pass
class IntTestCases(unittest.TestCase):
def test_basic(self):
@ -441,6 +444,10 @@ class IntTestCases(unittest.TestCase):
good_int = TruncReturnsIntSubclass()
n = int(good_int)
self.assertEqual(n, 1)
self.assertIs(type(n), bool)
n = IntSubclass(good_int)
self.assertEqual(n, 1)
self.assertIs(type(n), IntSubclass)
def test_error_message(self):
def check(s, base=None):