diff options
Diffstat (limited to 'Lib/test/test_exceptions.py')
| -rw-r--r-- | Lib/test/test_exceptions.py | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py index 4a7ca60..5168b0b 100644 --- a/Lib/test/test_exceptions.py +++ b/Lib/test/test_exceptions.py @@ -1213,7 +1213,7 @@ class ExceptionTests(unittest.TestCase): # tstate->recursion_depth is equal to (recursion_limit - 1) # and is equal to recursion_limit when _gen_throw() calls # PyErr_NormalizeException(). - recurse(setrecursionlimit(depth + 2) - depth - 1) + recurse(setrecursionlimit(depth + 2) - depth) finally: sys.setrecursionlimit(recursionlimit) print('Done.') @@ -1243,6 +1243,52 @@ class ExceptionTests(unittest.TestCase): b'while normalizing an exception', err) self.assertIn(b'Done.', out) + def test_recursion_in_except_handler(self): + + def set_relative_recursion_limit(n): + depth = 1 + while True: + try: + sys.setrecursionlimit(depth) + except RecursionError: + depth += 1 + else: + break + sys.setrecursionlimit(depth+n) + + def recurse_in_except(): + try: + 1/0 + except: + recurse_in_except() + + def recurse_after_except(): + try: + 1/0 + except: + pass + recurse_after_except() + + def recurse_in_body_and_except(): + try: + recurse_in_body_and_except() + except: + recurse_in_body_and_except() + + recursionlimit = sys.getrecursionlimit() + try: + set_relative_recursion_limit(10) + for func in (recurse_in_except, recurse_after_except, recurse_in_body_and_except): + with self.subTest(func=func): + try: + func() + except RecursionError: + pass + else: + self.fail("Should have raised a RecursionError") + finally: + sys.setrecursionlimit(recursionlimit) + @cpython_only def test_recursion_normalizing_with_no_memory(self): # Issue #30697. Test that in the abort that occurs when there is no |