gh-145056: Fix merging of collections.OrderedDict and frozendict by serhiy-storchaka · Pull Request #146466 · python/cpython

Expand Up @@ -698,6 +698,7 @@ def test_merge_operator(self): d |= list(b.items()) expected = OrderedDict({0: 0, 1: 1, 2: 2, 3: 3}) self.assertEqual(a | dict(b), expected) self.assertEqual(a | frozendict(b), expected) self.assertEqual(a | b, expected) self.assertEqual(c, expected) self.assertEqual(d, expected) Expand All @@ -706,12 +707,17 @@ def test_merge_operator(self): c |= a expected = OrderedDict({1: 1, 2: 1, 3: 3, 0: 0}) self.assertEqual(dict(b) | a, expected) self.assertEqual(frozendict(b) | a, expected) self.assertEqual(a.__ror__(frozendict(b)), expected) self.assertEqual(b | a, expected) self.assertEqual(c, expected)
self.assertIs(type(a | b), OrderedDict) self.assertIs(type(dict(a) | b), OrderedDict) self.assertIs(type(frozendict(a) | b), frozendict) self.assertIs(type(b.__ror__(frozendict(a))), OrderedDict) self.assertIs(type(a | dict(b)), OrderedDict) self.assertIs(type(a | frozendict(b)), OrderedDict)
expected = a.copy() a |= () Expand Down