diff options
| -rw-r--r-- | Lib/collections/__init__.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_userlist.py | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py index 53e3dd7fa2..4b447ace34 100644 --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -887,7 +887,7 @@ class UserList(MutableSequence): def pop(self, i=-1): return self.data.pop(i) def remove(self, item): self.data.remove(item) def clear(self): self.data.clear() - def copy(self): return self.data.copy() + def copy(self): return self.__class__(self) def count(self, item): return self.data.count(item) def index(self, item, *args): return self.data.index(item, *args) def reverse(self): self.data.reverse() diff --git a/Lib/test/test_userlist.py b/Lib/test/test_userlist.py index 868ed24ccc..6381070f56 100644 --- a/Lib/test/test_userlist.py +++ b/Lib/test/test_userlist.py @@ -52,6 +52,12 @@ class UserListTest(list_tests.CommonTest): return str(key) + '!!!' self.assertEqual(next(iter(T((1,2)))), "0!!!") + def test_userlist_copy(self): + u = self.type2test([6, 8, 1, 9, 1]) + v = u.copy() + self.assertEqual(u, v) + self.assertEqual(type(u), type(v)) + def test_main(): support.run_unittest(UserListTest) |