#11963: avoid printing messages in test_parser. Initial patch by Éric Araujo.
diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py
index 70eb9c0..face39a 100644
--- a/Lib/test/test_parser.py
+++ b/Lib/test/test_parser.py
@@ -4,6 +4,7 @@
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,
@@ -607,10 +608,10 @@
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"""