diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/list_tests.py | 8 | ||||
| -rw-r--r-- | Lib/test/test_list.py | 14 |
2 files changed, 22 insertions, 0 deletions
diff --git a/Lib/test/list_tests.py b/Lib/test/list_tests.py index 89cd10f..dbc5ef4 100644 --- a/Lib/test/list_tests.py +++ b/Lib/test/list_tests.py @@ -191,6 +191,14 @@ class CommonTest(seq_tests.CommonTest): self.assertRaises(TypeError, a.__setitem__) + def test_slice_assign_iterator(self): + x = self.type2test(range(5)) + x[0:3] = reversed(range(3)) + self.assertEqual(x, self.type2test([2, 1, 0, 3, 4])) + + x[:] = reversed(range(3)) + self.assertEqual(x, self.type2test([2, 1, 0])) + def test_delslice(self): a = self.type2test([0, 1]) del a[1:2] diff --git a/Lib/test/test_list.py b/Lib/test/test_list.py index d21429f..4d2d547 100644 --- a/Lib/test/test_list.py +++ b/Lib/test/test_list.py @@ -245,6 +245,20 @@ class ListTest(list_tests.CommonTest): with self.assertRaises(TypeError): a[0] < a + def test_list_index_modifing_operand(self): + # See gh-120384 + class evil: + def __init__(self, lst): + self.lst = lst + def __iter__(self): + yield from self.lst + self.lst.clear() + + lst = list(range(5)) + operand = evil(lst) + with self.assertRaises(ValueError): + lst[::-1] = operand + @cpython_only def test_preallocation(self): iterable = [0] * 10 |