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[3.10] bpo-43988: Add test.support.check_disallow_instantiation() (GH-25757) (GH-26885)

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(cherry picked from commit 4f725261c6, fbff5387c3, and 8cec740820)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

Automerge-Triggered-By: GH:vstinner
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Erlend Egeberg Aasland 2021-06-24 01:46:25 +02:00 • committed by GitHub
parent ece3841d3d
commit 0a3452e7cf
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16 changed files with 58 additions and 53 deletions
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5
Lib/test/test_functools.py
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@ -951,8 +951,9 @@ class TestCmpToKeyC(TestCmpToKey, unittest.TestCase):
@support.cpython_only
def test_disallow_instantiation(self):
# Ensure that the type disallows instantiation (bpo-43916)
tp = type(c_functools.cmp_to_key(None))
self.assertRaises(TypeError, tp)
support.check_disallow_instantiation(
self, type(c_functools.cmp_to_key(None))
)
class TestCmpToKeyPy(TestCmpToKey, unittest.TestCase):