From 39191840140c6a56f103290bf8c0a10e88cffd7b Mon Sep 17 00:00:00 2001
From: Ezio Melotti <ezio.melotti@gmail.com>
Date: Sat, 9 Mar 2013 22:17:33 +0200
Subject: [PATCH] =?utf8?q?#11963:=20avoid=20printing=20messages=20in=20tes?=
 =?utf8?q?t=5Fparser.=20=20Initial=20patch=20by=20=C3=89ric=20Araujo.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

---
 Lib/test/test_parser.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py
index 70eb9c0cc2..face39af3b 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,
@@ -607,10 +608,10 @@ 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"""
-- 
2.40.0