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bpo-44704: Make Set._hash consistent with frozenset.__hash__ (GH-27281) (GH-27282)

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Miss Islington (bot) 2021-07-21 17:23:21 -07:00 • committed by GitHub
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commit 4194f1465f
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12
Lib/test/test_collections.py
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@ -1801,6 +1801,18 @@ class TestCollectionABCs(ABCTestCase):
self.assertTrue(f1 != l1)
self.assertTrue(f1 != l2)
def test_Set_hash_matches_frozenset(self):
sets = [
{}, {1}, {None}, {-1}, {0.0}, {"abc"}, {1, 2, 3},
{10**100, 10**101}, {"a", "b", "ab", ""}, {False, True},
{object(), object(), object()}, {float("nan")}, {frozenset()},
{*range(1000)}, {*range(1000)} - {100, 200, 300},
{*range(sys.maxsize - 10, sys.maxsize + 10)},
]
for s in sets:
fs = frozenset(s)
self.assertEqual(hash(fs), Set._hash(fs), msg=s)
def test_Mapping(self):
for sample in [dict]:
self.assertIsInstance(sample(), Mapping)