mirror of https://github.com/python/cpython
268 lines
11 KiB
Python
268 lines
11 KiB
Python
import unittest
|
|
|
|
from test.support import import_helper
|
|
|
|
# Skip this test if the _testcapi, _testlimitedcapi or _testinternalcapi
|
|
# modules aren't available.
|
|
_testcapi = import_helper.import_module('_testcapi')
|
|
_testlimitedcapi = import_helper.import_module('_testlimitedcapi')
|
|
_testinternalcapi = import_helper.import_module('_testinternalcapi')
|
|
|
|
class set_subclass(set):
|
|
pass
|
|
|
|
class frozenset_subclass(frozenset):
|
|
pass
|
|
|
|
|
|
class BaseSetTests:
|
|
def assertImmutable(self, action, *args):
|
|
self.assertRaises(SystemError, action, frozenset(), *args)
|
|
self.assertRaises(SystemError, action, frozenset({1}), *args)
|
|
self.assertRaises(SystemError, action, frozenset_subclass(), *args)
|
|
self.assertRaises(SystemError, action, frozenset_subclass({1}), *args)
|
|
|
|
|
|
class TestSetCAPI(BaseSetTests, unittest.TestCase):
|
|
def test_set_check(self):
|
|
check = _testlimitedcapi.set_check
|
|
self.assertTrue(check(set()))
|
|
self.assertTrue(check({1, 2}))
|
|
self.assertFalse(check(frozenset()))
|
|
self.assertTrue(check(set_subclass()))
|
|
self.assertFalse(check(frozenset_subclass()))
|
|
self.assertFalse(check(object()))
|
|
# CRASHES: check(NULL)
|
|
|
|
def test_set_check_exact(self):
|
|
check = _testlimitedcapi.set_checkexact
|
|
self.assertTrue(check(set()))
|
|
self.assertTrue(check({1, 2}))
|
|
self.assertFalse(check(frozenset()))
|
|
self.assertFalse(check(set_subclass()))
|
|
self.assertFalse(check(frozenset_subclass()))
|
|
self.assertFalse(check(object()))
|
|
# CRASHES: check(NULL)
|
|
|
|
def test_frozenset_check(self):
|
|
check = _testlimitedcapi.frozenset_check
|
|
self.assertFalse(check(set()))
|
|
self.assertTrue(check(frozenset()))
|
|
self.assertTrue(check(frozenset({1, 2})))
|
|
self.assertFalse(check(set_subclass()))
|
|
self.assertTrue(check(frozenset_subclass()))
|
|
self.assertFalse(check(object()))
|
|
# CRASHES: check(NULL)
|
|
|
|
def test_frozenset_check_exact(self):
|
|
check = _testlimitedcapi.frozenset_checkexact
|
|
self.assertFalse(check(set()))
|
|
self.assertTrue(check(frozenset()))
|
|
self.assertTrue(check(frozenset({1, 2})))
|
|
self.assertFalse(check(set_subclass()))
|
|
self.assertFalse(check(frozenset_subclass()))
|
|
self.assertFalse(check(object()))
|
|
# CRASHES: check(NULL)
|
|
|
|
def test_anyset_check(self):
|
|
check = _testlimitedcapi.anyset_check
|
|
self.assertTrue(check(set()))
|
|
self.assertTrue(check({1, 2}))
|
|
self.assertTrue(check(frozenset()))
|
|
self.assertTrue(check(frozenset({1, 2})))
|
|
self.assertTrue(check(set_subclass()))
|
|
self.assertTrue(check(frozenset_subclass()))
|
|
self.assertFalse(check(object()))
|
|
# CRASHES: check(NULL)
|
|
|
|
def test_anyset_check_exact(self):
|
|
check = _testlimitedcapi.anyset_checkexact
|
|
self.assertTrue(check(set()))
|
|
self.assertTrue(check({1, 2}))
|
|
self.assertTrue(check(frozenset()))
|
|
self.assertTrue(check(frozenset({1, 2})))
|
|
self.assertFalse(check(set_subclass()))
|
|
self.assertFalse(check(frozenset_subclass()))
|
|
self.assertFalse(check(object()))
|
|
# CRASHES: check(NULL)
|
|
|
|
def test_set_new(self):
|
|
set_new = _testlimitedcapi.set_new
|
|
self.assertEqual(set_new().__class__, set)
|
|
self.assertEqual(set_new(), set())
|
|
self.assertEqual(set_new((1, 1, 2)), {1, 2})
|
|
self.assertEqual(set_new([1, 1, 2]), {1, 2})
|
|
with self.assertRaisesRegex(TypeError, 'object is not iterable'):
|
|
set_new(object())
|
|
with self.assertRaisesRegex(TypeError, 'object is not iterable'):
|
|
set_new(1)
|
|
with self.assertRaisesRegex(TypeError, "unhashable type: 'dict'"):
|
|
set_new((1, {}))
|
|
|
|
def test_frozenset_new(self):
|
|
frozenset_new = _testlimitedcapi.frozenset_new
|
|
self.assertEqual(frozenset_new().__class__, frozenset)
|
|
self.assertEqual(frozenset_new(), frozenset())
|
|
self.assertEqual(frozenset_new((1, 1, 2)), frozenset({1, 2}))
|
|
self.assertEqual(frozenset_new([1, 1, 2]), frozenset({1, 2}))
|
|
with self.assertRaisesRegex(TypeError, 'object is not iterable'):
|
|
frozenset_new(object())
|
|
with self.assertRaisesRegex(TypeError, 'object is not iterable'):
|
|
frozenset_new(1)
|
|
with self.assertRaisesRegex(TypeError, "unhashable type: 'dict'"):
|
|
frozenset_new((1, {}))
|
|
|
|
def test_set_size(self):
|
|
get_size = _testlimitedcapi.set_size
|
|
self.assertEqual(get_size(set()), 0)
|
|
self.assertEqual(get_size(frozenset()), 0)
|
|
self.assertEqual(get_size({1, 1, 2}), 2)
|
|
self.assertEqual(get_size(frozenset({1, 1, 2})), 2)
|
|
self.assertEqual(get_size(set_subclass((1, 2, 3))), 3)
|
|
self.assertEqual(get_size(frozenset_subclass((1, 2, 3))), 3)
|
|
with self.assertRaises(SystemError):
|
|
get_size(object())
|
|
# CRASHES: get_size(NULL)
|
|
|
|
def test_set_get_size(self):
|
|
get_size = _testcapi.set_get_size
|
|
self.assertEqual(get_size(set()), 0)
|
|
self.assertEqual(get_size(frozenset()), 0)
|
|
self.assertEqual(get_size({1, 1, 2}), 2)
|
|
self.assertEqual(get_size(frozenset({1, 1, 2})), 2)
|
|
self.assertEqual(get_size(set_subclass((1, 2, 3))), 3)
|
|
self.assertEqual(get_size(frozenset_subclass((1, 2, 3))), 3)
|
|
# CRASHES: get_size(NULL)
|
|
# CRASHES: get_size(object())
|
|
|
|
def test_set_contains(self):
|
|
contains = _testlimitedcapi.set_contains
|
|
for cls in (set, frozenset, set_subclass, frozenset_subclass):
|
|
with self.subTest(cls=cls):
|
|
instance = cls((1, 2))
|
|
self.assertTrue(contains(instance, 1))
|
|
self.assertFalse(contains(instance, 'missing'))
|
|
with self.assertRaisesRegex(TypeError, "unhashable type: 'list'"):
|
|
contains(instance, [])
|
|
# CRASHES: contains(instance, NULL)
|
|
# CRASHES: contains(NULL, object())
|
|
# CRASHES: contains(NULL, NULL)
|
|
|
|
def test_add(self):
|
|
add = _testlimitedcapi.set_add
|
|
for cls in (set, set_subclass):
|
|
with self.subTest(cls=cls):
|
|
instance = cls((1, 2))
|
|
self.assertEqual(add(instance, 1), 0)
|
|
self.assertEqual(instance, {1, 2})
|
|
self.assertEqual(add(instance, 3), 0)
|
|
self.assertEqual(instance, {1, 2, 3})
|
|
with self.assertRaisesRegex(TypeError, "unhashable type: 'list'"):
|
|
add(instance, [])
|
|
with self.assertRaises(SystemError):
|
|
add(object(), 1)
|
|
self.assertImmutable(add, 1)
|
|
# CRASHES: add(NULL, object())
|
|
# CRASHES: add(instance, NULL)
|
|
# CRASHES: add(NULL, NULL)
|
|
|
|
def test_discard(self):
|
|
discard = _testlimitedcapi.set_discard
|
|
for cls in (set, set_subclass):
|
|
with self.subTest(cls=cls):
|
|
instance = cls((1, 2))
|
|
self.assertEqual(discard(instance, 3), 0)
|
|
self.assertEqual(instance, {1, 2})
|
|
self.assertEqual(discard(instance, 1), 1)
|
|
self.assertEqual(instance, {2})
|
|
self.assertEqual(discard(instance, 2), 1)
|
|
self.assertEqual(instance, set())
|
|
self.assertEqual(discard(instance, 2), 0)
|
|
self.assertEqual(instance, set())
|
|
with self.assertRaisesRegex(TypeError, "unhashable type: 'list'"):
|
|
discard(instance, [])
|
|
with self.assertRaises(SystemError):
|
|
discard(object(), 1)
|
|
self.assertImmutable(discard, 1)
|
|
# CRASHES: discard(NULL, object())
|
|
# CRASHES: discard(instance, NULL)
|
|
# CRASHES: discard(NULL, NULL)
|
|
|
|
def test_pop(self):
|
|
pop = _testlimitedcapi.set_pop
|
|
orig = (1, 2)
|
|
for cls in (set, set_subclass):
|
|
with self.subTest(cls=cls):
|
|
instance = cls(orig)
|
|
self.assertIn(pop(instance), orig)
|
|
self.assertEqual(len(instance), 1)
|
|
self.assertIn(pop(instance), orig)
|
|
self.assertEqual(len(instance), 0)
|
|
with self.assertRaises(KeyError):
|
|
pop(instance)
|
|
with self.assertRaises(SystemError):
|
|
pop(object())
|
|
self.assertImmutable(pop)
|
|
# CRASHES: pop(NULL)
|
|
|
|
def test_clear(self):
|
|
clear = _testlimitedcapi.set_clear
|
|
for cls in (set, set_subclass):
|
|
with self.subTest(cls=cls):
|
|
instance = cls((1, 2))
|
|
self.assertEqual(clear(instance), 0)
|
|
self.assertEqual(instance, set())
|
|
self.assertEqual(clear(instance), 0)
|
|
self.assertEqual(instance, set())
|
|
with self.assertRaises(SystemError):
|
|
clear(object())
|
|
self.assertImmutable(clear)
|
|
# CRASHES: clear(NULL)
|
|
|
|
|
|
class TestInternalCAPI(BaseSetTests, unittest.TestCase):
|
|
def test_set_update(self):
|
|
update = _testinternalcapi.set_update
|
|
for cls in (set, set_subclass):
|
|
for it in ('ab', ('a', 'b'), ['a', 'b'],
|
|
set('ab'), set_subclass('ab'),
|
|
frozenset('ab'), frozenset_subclass('ab')):
|
|
with self.subTest(cls=cls, it=it):
|
|
instance = cls()
|
|
self.assertEqual(update(instance, it), 0)
|
|
self.assertEqual(instance, {'a', 'b'})
|
|
instance = cls(it)
|
|
self.assertEqual(update(instance, it), 0)
|
|
self.assertEqual(instance, {'a', 'b'})
|
|
with self.assertRaisesRegex(TypeError, 'object is not iterable'):
|
|
update(cls(), 1)
|
|
with self.assertRaisesRegex(TypeError, "unhashable type: 'dict'"):
|
|
update(cls(), [{}])
|
|
with self.assertRaises(SystemError):
|
|
update(object(), 'ab')
|
|
self.assertImmutable(update, 'ab')
|
|
# CRASHES: update(NULL, object())
|
|
# CRASHES: update(instance, NULL)
|
|
# CRASHES: update(NULL, NULL)
|
|
|
|
def test_set_next_entry(self):
|
|
set_next = _testinternalcapi.set_next_entry
|
|
for cls in (set, set_subclass, frozenset, frozenset_subclass):
|
|
with self.subTest(cls=cls):
|
|
instance = cls('abc')
|
|
pos = 0
|
|
items = []
|
|
while True:
|
|
res = set_next(instance, pos)
|
|
if res is None:
|
|
break
|
|
rc, pos, hash_, item = res
|
|
items.append(item)
|
|
self.assertEqual(rc, 1)
|
|
self.assertIn(item, instance)
|
|
self.assertEqual(hash(item), hash_)
|
|
self.assertEqual(items, list(instance))
|
|
with self.assertRaises(SystemError):
|
|
set_next(object(), 0)
|
|
# CRASHES: set_next(NULL, 0)
|