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-rw-r--r--Lib/test/_test_multiprocessing.py22
1 files changed, 22 insertions, 0 deletions
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index bcb024d..8329a84 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -2464,6 +2464,19 @@ class _TestContainers(BaseTestCase):
a = self.list()
self.assertIsInstance(a, collections.abc.MutableSequence)
+ # MutableSequence also has __iter__, but we can iterate over
+ # ListProxy using __getitem__ instead. Adding __iter__ to ListProxy
+ # would change the behavior of a list modified during iteration.
+ mutable_sequence_methods = (
+ '__contains__', '__delitem__', '__getitem__', '__iadd__',
+ '__len__', '__reversed__', '__setitem__', 'append',
+ 'clear', 'count', 'extend', 'index', 'insert', 'pop', 'remove',
+ 'reverse',
+ )
+ for name in mutable_sequence_methods:
+ with self.subTest(name=name):
+ self.assertTrue(callable(getattr(a, name)))
+
def test_list_iter(self):
a = self.list(list(range(10)))
it = iter(a)
@@ -2508,6 +2521,15 @@ class _TestContainers(BaseTestCase):
a = self.dict()
self.assertIsInstance(a, collections.abc.MutableMapping)
+ mutable_mapping_methods = (
+ '__contains__', '__delitem__', '__eq__', '__getitem__', '__iter__',
+ '__len__', '__ne__', '__setitem__', 'clear', 'get', 'items',
+ 'keys', 'pop', 'popitem', 'setdefault', 'update', 'values',
+ )
+ for name in mutable_mapping_methods:
+ with self.subTest(name=name):
+ self.assertTrue(callable(getattr(a, name)))
+
def test_dict_iter(self):
d = self.dict()
indices = list(range(65, 70))