diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py index c93a2ca0bee..b5e90531374 100644 --- a/Lib/test/test_parser.py +++ b/Lib/test/test_parser.py @@ -4,6 +4,7 @@ import sys import operator import struct from test import support +from test.script_helper import assert_python_failure # # First, we test that we can generate trees from valid source fragments, @@ -611,10 +612,10 @@ class ParserStackLimitTestCase(unittest.TestCase): def test_trigger_memory_error(self): e = self._nested_expression(100) - print("Expecting 's_push: parser stack overflow' in next line", - file=sys.stderr) - sys.stderr.flush() - self.assertRaises(MemoryError, parser.expr, e) + rc, out, err = assert_python_failure('-c', e) + # parsing the expression will result in an error message + # followed by a MemoryError (see #11963) + self.assertEqual(err, b's_push: parser stack overflow\nMemoryError') class STObjectTestCase(unittest.TestCase): """Test operations on ST objects themselves"""