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Issue #18531: Single var-keyword argument of dict subtype was passed

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unscathed to the C-defined function.  Now it is converted to exact dict.
This commit is contained in:
Serhiy Storchaka 2016-05-08 23:36:44 +03:00
parent a26e4b97d8
commit ce41287e99
4 changed files with 82 additions and 1 deletions
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56
Lib/test/test_getargs2.py
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@ -70,6 +70,12 @@ class BadInt3(int):
def __int__(self):
return True
class TupleSubclass(tuple):
pass
class DictSubclass(dict):
pass
class Unsigned_TestCase(unittest.TestCase):
def test_b(self):
@ -321,6 +327,33 @@ class Boolean_TestCase(unittest.TestCase):
class Tuple_TestCase(unittest.TestCase):
def test_args(self):
from _testcapi import get_args
ret = get_args(1, 2)
self.assertEqual(ret, (1, 2))
self.assertIs(type(ret), tuple)
ret = get_args(1, *(2, 3))
self.assertEqual(ret, (1, 2, 3))
self.assertIs(type(ret), tuple)
ret = get_args(*[1, 2])
self.assertEqual(ret, (1, 2))
self.assertIs(type(ret), tuple)
ret = get_args(*TupleSubclass([1, 2]))
self.assertEqual(ret, (1, 2))
self.assertIs(type(ret), tuple)
ret = get_args()
self.assertIn(ret, ((), None))
self.assertIn(type(ret), (tuple, type(None)))
ret = get_args(*())
self.assertIn(ret, ((), None))
self.assertIn(type(ret), (tuple, type(None)))
def test_tuple(self):
from _testcapi import getargs_tuple
@ -336,6 +369,29 @@ class Tuple_TestCase(unittest.TestCase):
self.assertRaises(TypeError, getargs_tuple, 1, seq())
class Keywords_TestCase(unittest.TestCase):
def test_kwargs(self):
from _testcapi import get_kwargs
ret = get_kwargs(a=1, b=2)
self.assertEqual(ret, {'a': 1, 'b': 2})
self.assertIs(type(ret), dict)
ret = get_kwargs(a=1, **{'b': 2, 'c': 3})
self.assertEqual(ret, {'a': 1, 'b': 2, 'c': 3})
self.assertIs(type(ret), dict)
ret = get_kwargs(**DictSubclass({'a': 1, 'b': 2}))
self.assertEqual(ret, {'a': 1, 'b': 2})
self.assertIs(type(ret), dict)
ret = get_kwargs()
self.assertIn(ret, ({}, None))
self.assertIn(type(ret), (dict, type(None)))
ret = get_kwargs(**{})
self.assertIn(ret, ({}, None))
self.assertIn(type(ret), (dict, type(None)))
def test_positional_args(self):
# using all positional args
self.assertEqual(