From edb13ae48c17210fa4b2d40a6833ca09db5c121b Mon Sep 17 00:00:00 2001
From: Oren Milman <orenmn@gmail.com>
Date: Tue, 7 Nov 2017 02:09:49 +0200
Subject: bpo-31764: Prevent a crash in sqlite3.Cursor.close() in case the
 Cursor object is uninitialized (#3958)

---
 Lib/sqlite3/test/regression.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Lib/sqlite3')

diff --git a/Lib/sqlite3/test/regression.py b/Lib/sqlite3/test/regression.py
index 3ff9abd989..34cd233535 100644
--- a/Lib/sqlite3/test/regression.py
+++ b/Lib/sqlite3/test/regression.py
@@ -190,6 +190,9 @@ class RegressionTests(unittest.TestCase):
         cur = Cursor(con)
         with self.assertRaises(sqlite.ProgrammingError):
             cur.execute("select 4+5").fetchall()
+        with self.assertRaisesRegex(sqlite.ProgrammingError,
+                                    r'^Base Cursor\.__init__ not called\.$'):
+            cur.close()
 
     def CheckStrSubclass(self):
         """
-- 
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