From 7b648753abdb255396c7d6621e21eaf12b5d7ffc Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@cheimes.de>
Date: Mon, 10 Sep 2012 14:48:43 +0200
Subject: Added test for 85cb90f79cbf and see how the code handles all flags at
 once

---
 Lib/test/test_io.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 5735350..d5eec7c 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -2887,6 +2887,11 @@ class MiscIOTest(unittest.TestCase):
         with self.open(support.TESTFN, 'rb') as f:
             self.assertEqual(b"spam", f.read())
 
+    def test_open_allargs(self):
+        # there used to be a buffer overflow in the parser for rawmode
+        self.assertRaises(ValueError, self.open, support.TESTFN, 'rwax+')
+
+
 class CMiscIOTest(MiscIOTest):
     io = io
 
-- 
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