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Diffstat (limited to 'Lib/test/test_exceptions.py')
| -rw-r--r-- | Lib/test/test_exceptions.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py index 4031c5ca76c..7f1d5ee9322 100644 --- a/Lib/test/test_exceptions.py +++ b/Lib/test/test_exceptions.py @@ -1791,6 +1791,20 @@ class ExceptionTests(unittest.TestCase): gc_collect() + def test_memory_error_in_subinterp(self): + # gh-109894: subinterpreters shouldn't count on last resort memory error + # when MemoryError is raised through PyErr_NoMemory() call, + # and should preallocate memory errors as does the main interpreter. + # interp.static_objects.last_resort_memory_error.args + # should be initialized to empty tuple to avoid crash on attempt to print it. + code = f"""if 1: + import _testcapi + _testcapi.run_in_subinterp(\"[0]*{sys.maxsize}\") + exit(0) + """ + rc, _, err = script_helper.assert_python_ok("-c", code) + self.assertIn(b'MemoryError', err) + class NameErrorTests(unittest.TestCase): def test_name_error_has_name(self): |