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Diffstat (limited to 'Lib/test/test_list.py')
| -rw-r--r-- | Lib/test/test_list.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_list.py b/Lib/test/test_list.py index 105ef650ee..75ecc70b0b 100644 --- a/Lib/test/test_list.py +++ b/Lib/test/test_list.py @@ -68,6 +68,19 @@ class ListTest(list_tests.CommonTest): self.assertRaises((MemoryError, OverflowError), mul, lst, n) self.assertRaises((MemoryError, OverflowError), imul, lst, n) + def test_list_resize_overflow(self): + # gh-97616: test new_allocated * sizeof(PyObject*) overflow + # check in list_resize() + lst = [0] * 65 + del lst[1:] + self.assertEqual(len(lst), 1) + + size = ((2 ** (tuple.__itemsize__ * 8) - 1) // 2) + with self.assertRaises((MemoryError, OverflowError)): + lst * size + with self.assertRaises((MemoryError, OverflowError)): + lst *= size + def test_repr_large(self): # Check the repr of large list objects def check(n): |