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Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/json/tests/test_recursion.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/json/tests/test_recursion.py b/Lib/json/tests/test_recursion.py index 1e9b8ab757..6d5db5050e 100644 --- a/Lib/json/tests/test_recursion.py +++ b/Lib/json/tests/test_recursion.py @@ -65,3 +65,15 @@ class TestRecursion(TestCase): pass else: self.fail("didn't raise ValueError on default recursion") + + + def test_highly_nested_objects(self): + # test that loading highly-nested objects doesn't segfault when C + # accelerations are used. See #12017 + with self.assertRaises(RuntimeError): + json.loads('{"a":' * 100000 + '1' + '}' * 100000) + with self.assertRaises(RuntimeError): + json.loads('{"a":' * 100000 + '[1]' + '}' * 100000) + with self.assertRaises(RuntimeError): + json.loads('[' * 100000 + '1' + ']' * 100000) + |