diff options
Diffstat (limited to 'Lib/test/test_isinstance.py')
| -rw-r--r-- | Lib/test/test_isinstance.py | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/Lib/test/test_isinstance.py b/Lib/test/test_isinstance.py index 115e26c5541..abc75c82375 100644 --- a/Lib/test/test_isinstance.py +++ b/Lib/test/test_isinstance.py @@ -267,13 +267,15 @@ class TestIsInstanceIsSubclass(unittest.TestCase): def test_subclass_recursion_limit(self): # make sure that issubclass raises RecursionError before the C stack is # blown - self.assertRaises(RecursionError, blowstack, issubclass, str, str) + with support.infinite_recursion(): + self.assertRaises(RecursionError, blowstack, issubclass, str, str) @support.skip_emscripten_stack_overflow() def test_isinstance_recursion_limit(self): # make sure that issubclass raises RecursionError before the C stack is # blown - self.assertRaises(RecursionError, blowstack, isinstance, '', str) + with support.infinite_recursion(): + self.assertRaises(RecursionError, blowstack, isinstance, '', str) def test_subclass_with_union(self): self.assertTrue(issubclass(int, int | float | int)) @@ -353,9 +355,8 @@ def blowstack(fxn, arg, compare_to): # Make sure that calling isinstance with a deeply nested tuple for its # argument will raise RecursionError eventually. tuple_arg = (compare_to,) - while True: - for _ in range(100): - tuple_arg = (tuple_arg,) + for cnt in range(support.exceeds_recursion_limit()): + tuple_arg = (tuple_arg,) fxn(arg, tuple_arg) |