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Update test/test_weakset.py from CPython 3.11.2 #4657

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Merged
youknowone merged 2 commits into from
Mar 7, 2023
Merged

Update test/test_weakset.py from CPython 3.11.2 #4657

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7b6486c
Update test/test_weakset.py from CPython 3.11.2
Mar 7, 2023
1812bd1
Mark a failing test of test/test_weakset.py
dalinaum Mar 7, 2023
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Update test/test_weakset.py from CPython 3.11.2
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@dalinaum
CPython Developers authored and dalinaum committed Mar 7, 2023
commit 7b6486cd301709896019f0d5c14cfae0da9d744e
31 changes: 31 additions & 0 deletions Lib/test/test_weakset.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import unittest
from weakref import WeakSet
import copy
import string
from collections import UserString as ustr
from collections.abc import Set, MutableSet
Expand All @@ -15,6 +16,12 @@ class RefCycle:
def __init__(self):
self.cycle = self

class WeakSetSubclass(WeakSet):
pass

class WeakSetWithSlots(WeakSet):
__slots__ = ('x', 'y')


class TestWeakSet(unittest.TestCase):

Expand Down Expand Up @@ -455,6 +462,30 @@ def test_abc(self):
self.assertIsInstance(self.s, Set)
self.assertIsInstance(self.s, MutableSet)

def test_copying(self):
for cls in WeakSet, WeakSetWithSlots:
s = cls(self.items)
s.x = ['x']
s.z = ['z']

dup = copy.copy(s)
self.assertIsInstance(dup, cls)
self.assertEqual(dup, s)
self.assertIsNot(dup, s)
self.assertIs(dup.x, s.x)
self.assertIs(dup.z, s.z)
self.assertFalse(hasattr(dup, 'y'))

dup = copy.deepcopy(s)
self.assertIsInstance(dup, cls)
self.assertEqual(dup, s)
self.assertIsNot(dup, s)
self.assertEqual(dup.x, s.x)
self.assertIsNot(dup.x, s.x)
self.assertEqual(dup.z, s.z)
self.assertIsNot(dup.z, s.z)
self.assertFalse(hasattr(dup, 'y'))


if __name__ == "__main__":
unittest.main()