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			550 lines
		
	
	
	
		
			21 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			550 lines
		
	
	
	
		
			21 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import unittest
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from collections import OrderedDict, UserDict
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from types import MappingProxyType
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from test import support
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from test.support import import_helper
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_testcapi = import_helper.import_module("_testcapi")
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_testlimitedcapi = import_helper.import_module("_testlimitedcapi")
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NULL = None
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INVALID_UTF8 = b'\xff'
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class DictSubclass(dict):
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    def __getitem__(self, key):
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        raise RuntimeError('do not get evil')
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    def __setitem__(self, key, value):
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        raise RuntimeError('do not set evil')
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    def __delitem__(self, key):
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        raise RuntimeError('do not del evil')
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def gen():
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    yield 'a'
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    yield 'b'
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    yield 'c'
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class CAPITest(unittest.TestCase):
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    def test_dict_check(self):
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        check = _testlimitedcapi.dict_check
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        self.assertTrue(check({1: 2}))
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        self.assertTrue(check(OrderedDict({1: 2})))
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        self.assertFalse(check(UserDict({1: 2})))
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        self.assertFalse(check([1, 2]))
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        self.assertFalse(check(object()))
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        # CRASHES check(NULL)
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    def test_dict_checkexact(self):
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        check = _testlimitedcapi.dict_checkexact
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        self.assertTrue(check({1: 2}))
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        self.assertFalse(check(OrderedDict({1: 2})))
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        self.assertFalse(check(UserDict({1: 2})))
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        self.assertFalse(check([1, 2]))
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        self.assertFalse(check(object()))
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        # CRASHES check(NULL)
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    def test_dict_new(self):
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        dict_new = _testlimitedcapi.dict_new
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        dct = dict_new()
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        self.assertEqual(dct, {})
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        self.assertIs(type(dct), dict)
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        dct2 = dict_new()
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        self.assertIsNot(dct2, dct)
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    def test_dictproxy_new(self):
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        dictproxy_new = _testlimitedcapi.dictproxy_new
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        for dct in {1: 2}, OrderedDict({1: 2}), UserDict({1: 2}):
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            proxy = dictproxy_new(dct)
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            self.assertIs(type(proxy), MappingProxyType)
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            self.assertEqual(proxy, dct)
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            with self.assertRaises(TypeError):
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                proxy[1] = 3
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            self.assertEqual(proxy[1], 2)
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            dct[1] = 4
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            self.assertEqual(proxy[1], 4)
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        self.assertRaises(TypeError, dictproxy_new, [])
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        self.assertRaises(TypeError, dictproxy_new, 42)
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        # CRASHES dictproxy_new(NULL)
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    def test_dict_copy(self):
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        copy = _testlimitedcapi.dict_copy
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        for dct in {1: 2}, OrderedDict({1: 2}):
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            dct_copy = copy(dct)
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            self.assertIs(type(dct_copy), dict)
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            self.assertEqual(dct_copy, dct)
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        self.assertRaises(SystemError, copy, UserDict())
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        self.assertRaises(SystemError, copy, [])
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        self.assertRaises(SystemError, copy, 42)
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        self.assertRaises(SystemError, copy, NULL)
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    def test_dict_clear(self):
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        clear = _testlimitedcapi.dict_clear
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        dct = {1: 2}
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        clear(dct)
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        self.assertEqual(dct, {})
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        # NOTE: It is not safe to call it with OrderedDict.
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        # Has no effect for non-dicts.
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        dct = UserDict({1: 2})
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        clear(dct)
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        self.assertEqual(dct, {1: 2})
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        lst = [1, 2]
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        clear(lst)
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        self.assertEqual(lst, [1, 2])
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        clear(object())
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        # CRASHES? clear(NULL)
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    def test_dict_size(self):
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        size = _testlimitedcapi.dict_size
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        self.assertEqual(size({1: 2}), 1)
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        self.assertEqual(size(OrderedDict({1: 2})), 1)
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        self.assertRaises(SystemError, size, UserDict())
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        self.assertRaises(SystemError, size, [])
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        self.assertRaises(SystemError, size, 42)
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        self.assertRaises(SystemError, size, object())
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        self.assertRaises(SystemError, size, NULL)
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    def test_dict_getitem(self):
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        getitem = _testlimitedcapi.dict_getitem
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        dct = {'a': 1, '\U0001f40d': 2}
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        self.assertEqual(getitem(dct, 'a'), 1)
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        self.assertIs(getitem(dct, 'b'), KeyError)
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        self.assertEqual(getitem(dct, '\U0001f40d'), 2)
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        dct2 = DictSubclass(dct)
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        self.assertEqual(getitem(dct2, 'a'), 1)
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        self.assertIs(getitem(dct2, 'b'), KeyError)
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        with support.catch_unraisable_exception() as cm:
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            self.assertIs(getitem({}, []), KeyError)  # unhashable
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            self.assertEqual(cm.unraisable.exc_type, TypeError)
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            self.assertEqual(str(cm.unraisable.exc_value),
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                             "unhashable type: 'list'")
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        self.assertIs(getitem(42, 'a'), KeyError)
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        self.assertIs(getitem([1], 0), KeyError)
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        # CRASHES getitem({}, NULL)
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        # CRASHES getitem(NULL, 'a')
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    def test_dict_getitemstring(self):
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        getitemstring = _testlimitedcapi.dict_getitemstring
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        dct = {'a': 1, '\U0001f40d': 2}
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        self.assertEqual(getitemstring(dct, b'a'), 1)
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        self.assertIs(getitemstring(dct, b'b'), KeyError)
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        self.assertEqual(getitemstring(dct, '\U0001f40d'.encode()), 2)
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        dct2 = DictSubclass(dct)
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        self.assertEqual(getitemstring(dct2, b'a'), 1)
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        self.assertIs(getitemstring(dct2, b'b'), KeyError)
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        with support.catch_unraisable_exception() as cm:
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            self.assertIs(getitemstring({}, INVALID_UTF8), KeyError)
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            self.assertEqual(cm.unraisable.exc_type, UnicodeDecodeError)
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            self.assertRegex(str(cm.unraisable.exc_value),
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                             "'utf-8' codec can't decode")
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        self.assertIs(getitemstring(42, b'a'), KeyError)
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        self.assertIs(getitemstring([], b'a'), KeyError)
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        # CRASHES getitemstring({}, NULL)
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        # CRASHES getitemstring(NULL, b'a')
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    def test_dict_getitemref(self):
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        getitem = _testcapi.dict_getitemref
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        dct = {'a': 1, '\U0001f40d': 2}
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        self.assertEqual(getitem(dct, 'a'), 1)
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        self.assertIs(getitem(dct, 'b'), KeyError)
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        self.assertEqual(getitem(dct, '\U0001f40d'), 2)
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        dct2 = DictSubclass(dct)
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        self.assertEqual(getitem(dct2, 'a'), 1)
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        self.assertIs(getitem(dct2, 'b'), KeyError)
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        self.assertRaises(SystemError, getitem, 42, 'a')
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        self.assertRaises(TypeError, getitem, {}, [])  # unhashable
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        self.assertRaises(SystemError, getitem, [], 1)
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        self.assertRaises(SystemError, getitem, [], 'a')
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        # CRASHES getitem({}, NULL)
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        # CRASHES getitem(NULL, 'a')
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    def test_dict_getitemstringref(self):
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        getitemstring = _testcapi.dict_getitemstringref
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        dct = {'a': 1, '\U0001f40d': 2}
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        self.assertEqual(getitemstring(dct, b'a'), 1)
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        self.assertIs(getitemstring(dct, b'b'), KeyError)
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        self.assertEqual(getitemstring(dct, '\U0001f40d'.encode()), 2)
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        dct2 = DictSubclass(dct)
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        self.assertEqual(getitemstring(dct2, b'a'), 1)
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        self.assertIs(getitemstring(dct2, b'b'), KeyError)
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        self.assertRaises(SystemError, getitemstring, 42, b'a')
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        self.assertRaises(UnicodeDecodeError, getitemstring, {}, INVALID_UTF8)
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        self.assertRaises(SystemError, getitemstring, [], b'a')
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        # CRASHES getitemstring({}, NULL)
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        # CRASHES getitemstring(NULL, b'a')
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    def test_dict_getitemwitherror(self):
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        getitem = _testlimitedcapi.dict_getitemwitherror
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        dct = {'a': 1, '\U0001f40d': 2}
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        self.assertEqual(getitem(dct, 'a'), 1)
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        self.assertIs(getitem(dct, 'b'), KeyError)
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        self.assertEqual(getitem(dct, '\U0001f40d'), 2)
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        dct2 = DictSubclass(dct)
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        self.assertEqual(getitem(dct2, 'a'), 1)
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        self.assertIs(getitem(dct2, 'b'), KeyError)
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        self.assertRaises(SystemError, getitem, 42, 'a')
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        self.assertRaises(TypeError, getitem, {}, [])  # unhashable
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        self.assertRaises(SystemError, getitem, [], 1)
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        self.assertRaises(SystemError, getitem, [], 'a')
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        # CRASHES getitem({}, NULL)
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        # CRASHES getitem(NULL, 'a')
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    def test_dict_contains(self):
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        contains = _testlimitedcapi.dict_contains
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        dct = {'a': 1, '\U0001f40d': 2}
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        self.assertTrue(contains(dct, 'a'))
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        self.assertFalse(contains(dct, 'b'))
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        self.assertTrue(contains(dct, '\U0001f40d'))
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        dct2 = DictSubclass(dct)
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        self.assertTrue(contains(dct2, 'a'))
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        self.assertFalse(contains(dct2, 'b'))
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        self.assertRaises(TypeError, contains, {}, [])  # unhashable
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        # CRASHES contains({}, NULL)
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        # CRASHES contains(UserDict(), 'a')
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        # CRASHES contains(42, 'a')
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        # CRASHES contains(NULL, 'a')
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    def test_dict_contains_string(self):
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        contains_string = _testcapi.dict_containsstring
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        dct = {'a': 1, '\U0001f40d': 2}
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        self.assertTrue(contains_string(dct, b'a'))
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        self.assertFalse(contains_string(dct, b'b'))
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        self.assertTrue(contains_string(dct, '\U0001f40d'.encode()))
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        self.assertRaises(UnicodeDecodeError, contains_string, dct, INVALID_UTF8)
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        dct2 = DictSubclass(dct)
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        self.assertTrue(contains_string(dct2, b'a'))
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        self.assertFalse(contains_string(dct2, b'b'))
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        # CRASHES contains({}, NULL)
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        # CRASHES contains(NULL, b'a')
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    def test_dict_setitem(self):
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        setitem = _testlimitedcapi.dict_setitem
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        dct = {}
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        setitem(dct, 'a', 5)
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        self.assertEqual(dct, {'a': 5})
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        setitem(dct, '\U0001f40d', 8)
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        self.assertEqual(dct, {'a': 5, '\U0001f40d': 8})
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        dct2 = DictSubclass()
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        setitem(dct2, 'a', 5)
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        self.assertEqual(dct2, {'a': 5})
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        self.assertRaises(TypeError, setitem, {}, [], 5)  # unhashable
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        self.assertRaises(SystemError, setitem, UserDict(), 'a', 5)
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        self.assertRaises(SystemError, setitem, [1], 0, 5)
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        self.assertRaises(SystemError, setitem, 42, 'a', 5)
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        # CRASHES setitem({}, NULL, 5)
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        # CRASHES setitem({}, 'a', NULL)
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        # CRASHES setitem(NULL, 'a', 5)
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    def test_dict_setitemstring(self):
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        setitemstring = _testlimitedcapi.dict_setitemstring
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        dct = {}
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        setitemstring(dct, b'a', 5)
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        self.assertEqual(dct, {'a': 5})
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        setitemstring(dct, '\U0001f40d'.encode(), 8)
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        self.assertEqual(dct, {'a': 5, '\U0001f40d': 8})
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        dct2 = DictSubclass()
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        setitemstring(dct2, b'a', 5)
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        self.assertEqual(dct2, {'a': 5})
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        self.assertRaises(UnicodeDecodeError, setitemstring, {}, INVALID_UTF8, 5)
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        self.assertRaises(SystemError, setitemstring, UserDict(), b'a', 5)
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        self.assertRaises(SystemError, setitemstring, 42, b'a', 5)
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        # CRASHES setitemstring({}, NULL, 5)
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        # CRASHES setitemstring({}, b'a', NULL)
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        # CRASHES setitemstring(NULL, b'a', 5)
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    def test_dict_delitem(self):
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        delitem = _testlimitedcapi.dict_delitem
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        dct = {'a': 1, 'c': 2, '\U0001f40d': 3}
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        delitem(dct, 'a')
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        self.assertEqual(dct, {'c': 2, '\U0001f40d': 3})
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        self.assertRaises(KeyError, delitem, dct, 'b')
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        delitem(dct, '\U0001f40d')
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        self.assertEqual(dct, {'c': 2})
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        dct2 = DictSubclass({'a': 1, 'c': 2})
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        delitem(dct2, 'a')
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        self.assertEqual(dct2, {'c': 2})
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        self.assertRaises(KeyError, delitem, dct2, 'b')
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        self.assertRaises(TypeError, delitem, {}, [])  # unhashable
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        self.assertRaises(SystemError, delitem, UserDict({'a': 1}), 'a')
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        self.assertRaises(SystemError, delitem, [1], 0)
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        self.assertRaises(SystemError, delitem, 42, 'a')
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        # CRASHES delitem({}, NULL)
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        # CRASHES delitem(NULL, 'a')
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    def test_dict_delitemstring(self):
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        delitemstring = _testlimitedcapi.dict_delitemstring
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        dct = {'a': 1, 'c': 2, '\U0001f40d': 3}
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        delitemstring(dct, b'a')
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        self.assertEqual(dct, {'c': 2, '\U0001f40d': 3})
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        self.assertRaises(KeyError, delitemstring, dct, b'b')
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        delitemstring(dct, '\U0001f40d'.encode())
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        self.assertEqual(dct, {'c': 2})
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        dct2 = DictSubclass({'a': 1, 'c': 2})
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        delitemstring(dct2, b'a')
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        self.assertEqual(dct2, {'c': 2})
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        self.assertRaises(KeyError, delitemstring, dct2, b'b')
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        self.assertRaises(UnicodeDecodeError, delitemstring, {}, INVALID_UTF8)
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        self.assertRaises(SystemError, delitemstring, UserDict({'a': 1}), b'a')
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        self.assertRaises(SystemError, delitemstring, 42, b'a')
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        # CRASHES delitemstring({}, NULL)
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        # CRASHES delitemstring(NULL, b'a')
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    def test_dict_setdefault(self):
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        setdefault = _testcapi.dict_setdefault
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        dct = {}
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        self.assertEqual(setdefault(dct, 'a', 5), 5)
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        self.assertEqual(dct, {'a': 5})
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        self.assertEqual(setdefault(dct, 'a', 8), 5)
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        self.assertEqual(dct, {'a': 5})
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        dct2 = DictSubclass()
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        self.assertEqual(setdefault(dct2, 'a', 5), 5)
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        self.assertEqual(dct2, {'a': 5})
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        self.assertEqual(setdefault(dct2, 'a', 8), 5)
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        self.assertEqual(dct2, {'a': 5})
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        self.assertRaises(TypeError, setdefault, {}, [], 5)  # unhashable
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        self.assertRaises(SystemError, setdefault, UserDict(), 'a', 5)
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        self.assertRaises(SystemError, setdefault, [1], 0, 5)
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        self.assertRaises(SystemError, setdefault, 42, 'a', 5)
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        # CRASHES setdefault({}, NULL, 5)
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        # CRASHES setdefault({}, 'a', NULL)
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        # CRASHES setdefault(NULL, 'a', 5)
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    def test_dict_setdefaultref(self):
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        setdefault = _testcapi.dict_setdefaultref
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        dct = {}
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        self.assertEqual(setdefault(dct, 'a', 5), 5)
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        self.assertEqual(dct, {'a': 5})
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        self.assertEqual(setdefault(dct, 'a', 8), 5)
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        self.assertEqual(dct, {'a': 5})
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        dct2 = DictSubclass()
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        self.assertEqual(setdefault(dct2, 'a', 5), 5)
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        self.assertEqual(dct2, {'a': 5})
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        self.assertEqual(setdefault(dct2, 'a', 8), 5)
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        self.assertEqual(dct2, {'a': 5})
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        self.assertRaises(TypeError, setdefault, {}, [], 5)  # unhashable
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        self.assertRaises(SystemError, setdefault, UserDict(), 'a', 5)
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        self.assertRaises(SystemError, setdefault, [1], 0, 5)
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        self.assertRaises(SystemError, setdefault, 42, 'a', 5)
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        # CRASHES setdefault({}, NULL, 5)
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        # CRASHES setdefault({}, 'a', NULL)
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        # CRASHES setdefault(NULL, 'a', 5)
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    def test_mapping_keys_valuesitems(self):
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        class BadMapping(dict):
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            def keys(self):
 | 
						|
                return None
 | 
						|
            def values(self):
 | 
						|
                return None
 | 
						|
            def items(self):
 | 
						|
                return None
 | 
						|
        dict_obj = {'foo': 1, 'bar': 2, 'spam': 3}
 | 
						|
        for mapping in [dict_obj, DictSubclass(dict_obj), BadMapping(dict_obj)]:
 | 
						|
            self.assertListEqual(_testlimitedcapi.dict_keys(mapping),
 | 
						|
                                 list(dict_obj.keys()))
 | 
						|
            self.assertListEqual(_testlimitedcapi.dict_values(mapping),
 | 
						|
                                 list(dict_obj.values()))
 | 
						|
            self.assertListEqual(_testlimitedcapi.dict_items(mapping),
 | 
						|
                                 list(dict_obj.items()))
 | 
						|
 | 
						|
    def test_dict_keys_valuesitems_bad_arg(self):
 | 
						|
        for mapping in UserDict(), [], object():
 | 
						|
            self.assertRaises(SystemError, _testlimitedcapi.dict_keys, mapping)
 | 
						|
            self.assertRaises(SystemError, _testlimitedcapi.dict_values, mapping)
 | 
						|
            self.assertRaises(SystemError, _testlimitedcapi.dict_items, mapping)
 | 
						|
 | 
						|
    def test_dict_next(self):
 | 
						|
        dict_next = _testlimitedcapi.dict_next
 | 
						|
        self.assertIsNone(dict_next({}, 0))
 | 
						|
        dct = {'a': 1, 'b': 2, 'c': 3}
 | 
						|
        pos = 0
 | 
						|
        pairs = []
 | 
						|
        while True:
 | 
						|
            res = dict_next(dct, pos)
 | 
						|
            if res is None:
 | 
						|
                break
 | 
						|
            rc, pos, key, value = res
 | 
						|
            self.assertEqual(rc, 1)
 | 
						|
            pairs.append((key, value))
 | 
						|
        self.assertEqual(pairs, list(dct.items()))
 | 
						|
 | 
						|
        # CRASHES dict_next(NULL, 0)
 | 
						|
 | 
						|
    def test_dict_update(self):
 | 
						|
        update = _testlimitedcapi.dict_update
 | 
						|
        for cls1 in dict, DictSubclass:
 | 
						|
            for cls2 in dict, DictSubclass, UserDict:
 | 
						|
                dct = cls1({'a': 1, 'b': 2})
 | 
						|
                update(dct, cls2({'b': 3, 'c': 4}))
 | 
						|
                self.assertEqual(dct, {'a': 1, 'b': 3, 'c': 4})
 | 
						|
 | 
						|
        self.assertRaises(AttributeError, update, {}, [])
 | 
						|
        self.assertRaises(AttributeError, update, {}, 42)
 | 
						|
        self.assertRaises(SystemError, update, UserDict(), {})
 | 
						|
        self.assertRaises(SystemError, update, 42, {})
 | 
						|
        self.assertRaises(SystemError, update, {}, NULL)
 | 
						|
        self.assertRaises(SystemError, update, NULL, {})
 | 
						|
 | 
						|
    def test_dict_merge(self):
 | 
						|
        merge = _testlimitedcapi.dict_merge
 | 
						|
        for cls1 in dict, DictSubclass:
 | 
						|
            for cls2 in dict, DictSubclass, UserDict:
 | 
						|
                dct = cls1({'a': 1, 'b': 2})
 | 
						|
                merge(dct, cls2({'b': 3, 'c': 4}), 0)
 | 
						|
                self.assertEqual(dct, {'a': 1, 'b': 2, 'c': 4})
 | 
						|
                dct = cls1({'a': 1, 'b': 2})
 | 
						|
                merge(dct, cls2({'b': 3, 'c': 4}), 1)
 | 
						|
                self.assertEqual(dct, {'a': 1, 'b': 3, 'c': 4})
 | 
						|
 | 
						|
        self.assertRaises(AttributeError, merge, {}, [], 0)
 | 
						|
        self.assertRaises(AttributeError, merge, {}, 42, 0)
 | 
						|
        self.assertRaises(SystemError, merge, UserDict(), {}, 0)
 | 
						|
        self.assertRaises(SystemError, merge, 42, {}, 0)
 | 
						|
        self.assertRaises(SystemError, merge, {}, NULL, 0)
 | 
						|
        self.assertRaises(SystemError, merge, NULL, {}, 0)
 | 
						|
 | 
						|
    def test_dict_mergefromseq2(self):
 | 
						|
        mergefromseq2 = _testlimitedcapi.dict_mergefromseq2
 | 
						|
        for cls1 in dict, DictSubclass:
 | 
						|
            for cls2 in list, iter:
 | 
						|
                dct = cls1({'a': 1, 'b': 2})
 | 
						|
                mergefromseq2(dct, cls2([('b', 3), ('c', 4)]), 0)
 | 
						|
                self.assertEqual(dct, {'a': 1, 'b': 2, 'c': 4})
 | 
						|
                dct = cls1({'a': 1, 'b': 2})
 | 
						|
                mergefromseq2(dct, cls2([('b', 3), ('c', 4)]), 1)
 | 
						|
                self.assertEqual(dct, {'a': 1, 'b': 3, 'c': 4})
 | 
						|
 | 
						|
        self.assertRaises(ValueError, mergefromseq2, {}, [(1,)], 0)
 | 
						|
        self.assertRaises(ValueError, mergefromseq2, {}, [(1, 2, 3)], 0)
 | 
						|
        self.assertRaises(TypeError, mergefromseq2, {}, [1], 0)
 | 
						|
        self.assertRaises(TypeError, mergefromseq2, {}, 42, 0)
 | 
						|
        # CRASHES mergefromseq2(UserDict(), [], 0)
 | 
						|
        # CRASHES mergefromseq2(42, [], 0)
 | 
						|
        # CRASHES mergefromseq2({}, NULL, 0)
 | 
						|
        # CRASHES mergefromseq2(NULL, {}, 0)
 | 
						|
 | 
						|
    def test_dict_pop(self):
 | 
						|
        # Test PyDict_Pop()
 | 
						|
        dict_pop = _testcapi.dict_pop
 | 
						|
        dict_pop_null = _testcapi.dict_pop_null
 | 
						|
 | 
						|
        # key present, get removed value
 | 
						|
        mydict = {"key": "value", "key2": "value2"}
 | 
						|
        self.assertEqual(dict_pop(mydict, "key"), (1, "value"))
 | 
						|
        self.assertEqual(mydict, {"key2": "value2"})
 | 
						|
        self.assertEqual(dict_pop(mydict, "key2"), (1, "value2"))
 | 
						|
        self.assertEqual(mydict, {})
 | 
						|
 | 
						|
        # key present, ignore removed value
 | 
						|
        mydict = {"key": "value", "key2": "value2"}
 | 
						|
        self.assertEqual(dict_pop_null(mydict, "key"), 1)
 | 
						|
        self.assertEqual(mydict, {"key2": "value2"})
 | 
						|
        self.assertEqual(dict_pop_null(mydict, "key2"), 1)
 | 
						|
        self.assertEqual(mydict, {})
 | 
						|
 | 
						|
        # key missing, expect removed value; empty dict has a fast path
 | 
						|
        self.assertEqual(dict_pop({}, "key"), (0, NULL))
 | 
						|
        self.assertEqual(dict_pop({"a": 1}, "key"), (0, NULL))
 | 
						|
 | 
						|
        # key missing, ignored removed value; empty dict has a fast path
 | 
						|
        self.assertEqual(dict_pop_null({}, "key"), 0)
 | 
						|
        self.assertEqual(dict_pop_null({"a": 1}, "key"), 0)
 | 
						|
 | 
						|
        # dict error
 | 
						|
        not_dict = UserDict({1: 2})
 | 
						|
        self.assertRaises(SystemError, dict_pop, not_dict, "key")
 | 
						|
        self.assertRaises(SystemError, dict_pop_null, not_dict, "key")
 | 
						|
 | 
						|
        # key error; don't hash key if dict is empty
 | 
						|
        not_hashable_key = ["list"]
 | 
						|
        self.assertEqual(dict_pop({}, not_hashable_key), (0, NULL))
 | 
						|
        with self.assertRaises(TypeError):
 | 
						|
            dict_pop({'key': 1}, not_hashable_key)
 | 
						|
        dict_pop({}, NULL)  # key is not checked if dict is empty
 | 
						|
 | 
						|
        # CRASHES dict_pop(NULL, "key")
 | 
						|
        # CRASHES dict_pop({"a": 1}, NULL)
 | 
						|
 | 
						|
    def test_dict_popstring(self):
 | 
						|
        # Test PyDict_PopString()
 | 
						|
        dict_popstring = _testcapi.dict_popstring
 | 
						|
        dict_popstring_null = _testcapi.dict_popstring_null
 | 
						|
 | 
						|
        # key present, get removed value
 | 
						|
        mydict = {"key": "value", "key2": "value2"}
 | 
						|
        self.assertEqual(dict_popstring(mydict, "key"), (1, "value"))
 | 
						|
        self.assertEqual(mydict, {"key2": "value2"})
 | 
						|
        self.assertEqual(dict_popstring(mydict, "key2"), (1, "value2"))
 | 
						|
        self.assertEqual(mydict, {})
 | 
						|
 | 
						|
        # key present, ignore removed value
 | 
						|
        mydict = {"key": "value", "key2": "value2"}
 | 
						|
        self.assertEqual(dict_popstring_null(mydict, "key"), 1)
 | 
						|
        self.assertEqual(mydict, {"key2": "value2"})
 | 
						|
        self.assertEqual(dict_popstring_null(mydict, "key2"), 1)
 | 
						|
        self.assertEqual(mydict, {})
 | 
						|
 | 
						|
        # key missing; empty dict has a fast path
 | 
						|
        self.assertEqual(dict_popstring({}, "key"), (0, NULL))
 | 
						|
        self.assertEqual(dict_popstring_null({}, "key"), 0)
 | 
						|
        self.assertEqual(dict_popstring({"a": 1}, "key"), (0, NULL))
 | 
						|
        self.assertEqual(dict_popstring_null({"a": 1}, "key"), 0)
 | 
						|
 | 
						|
        # non-ASCII key
 | 
						|
        non_ascii = '\U0001f40d'
 | 
						|
        dct = {'\U0001f40d': 123}
 | 
						|
        self.assertEqual(dict_popstring(dct, '\U0001f40d'.encode()), (1, 123))
 | 
						|
        dct = {'\U0001f40d': 123}
 | 
						|
        self.assertEqual(dict_popstring_null(dct, '\U0001f40d'.encode()), 1)
 | 
						|
 | 
						|
        # dict error
 | 
						|
        not_dict = UserDict({1: 2})
 | 
						|
        self.assertRaises(SystemError, dict_popstring, not_dict, "key")
 | 
						|
        self.assertRaises(SystemError, dict_popstring_null, not_dict, "key")
 | 
						|
 | 
						|
        # key error
 | 
						|
        self.assertRaises(UnicodeDecodeError, dict_popstring, {1: 2}, INVALID_UTF8)
 | 
						|
        self.assertRaises(UnicodeDecodeError, dict_popstring_null, {1: 2}, INVALID_UTF8)
 | 
						|
 | 
						|
        # CRASHES dict_popstring(NULL, "key")
 | 
						|
        # CRASHES dict_popstring({}, NULL)
 | 
						|
        # CRASHES dict_popstring({"a": 1}, NULL)
 | 
						|
 | 
						|
 | 
						|
if __name__ == "__main__":
 | 
						|
    unittest.main()
 |