diff options
| -rw-r--r-- | Lib/test/support/__init__.py | 10 | ||||
| -rw-r--r-- | Lib/test/test_ast.py | 6 |
2 files changed, 14 insertions, 2 deletions
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index 80f3a04fcc..b9040a9ac5 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -1982,3 +1982,13 @@ def skip_if_broken_multiprocessing_synchronize(): synchronize.Lock(ctx=None) except OSError as exc: raise unittest.SkipTest(f"broken multiprocessing SemLock: {exc!r}") + + +@contextlib.contextmanager +def infinite_recursion(max_depth=75): + original_depth = sys.getrecursionlimit() + try: + sys.setrecursionlimit(max_depth) + yield + finally: + sys.setrecursionlimit(original_depth) diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py index e08a965d96..a44f8f551c 100644 --- a/Lib/test/test_ast.py +++ b/Lib/test/test_ast.py @@ -1101,7 +1101,8 @@ Module( e = ast.UnaryOp(op=ast.Not(), lineno=0, col_offset=0) e.operand = e with self.assertRaises(RecursionError): - compile(ast.Expression(e), "<test>", "eval") + with support.infinite_recursion(): + compile(ast.Expression(e), "<test>", "eval") def test_recursion_indirect(self): e = ast.UnaryOp(op=ast.Not(), lineno=0, col_offset=0) @@ -1109,7 +1110,8 @@ Module( e.operand = f f.operand = e with self.assertRaises(RecursionError): - compile(ast.Expression(e), "<test>", "eval") + with support.infinite_recursion(): + compile(ast.Expression(e), "<test>", "eval") class ASTValidatorTests(unittest.TestCase): |