diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/json/tests/test_recursion.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Lib/json/tests/test_recursion.py b/Lib/json/tests/test_recursion.py index 1e9b8ab757..548bb89ed5 100644 --- a/Lib/json/tests/test_recursion.py +++ b/Lib/json/tests/test_recursion.py @@ -65,3 +65,22 @@ 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 + # str + 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) + # unicode + with self.assertRaises(RuntimeError): + json.loads(u'{"a":' * 100000 + u'1' + u'}' * 100000) + with self.assertRaises(RuntimeError): + json.loads(u'{"a":' * 100000 + u'[1]' + u'}' * 100000) + with self.assertRaises(RuntimeError): + json.loads(u'[' * 100000 + u'1' + u']' * 100000) |