From 1a74b4325cdfac112bf0d4df8559f87ad3cb9f1a Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Tue, 6 Mar 2007 13:35:08 +0000
Subject: [PATCH] A test case for the defaultdict KeyError bug.  (backport from
 rev. 54162)

---
 Lib/test/test_defaultdict.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Lib/test/test_defaultdict.py b/Lib/test/test_defaultdict.py
index 1834f9071ae..08be005b424 100644
--- a/Lib/test/test_defaultdict.py
+++ b/Lib/test/test_defaultdict.py
@@ -132,6 +132,15 @@ class TestDefaultDict(unittest.TestCase):
         self.assertEqual(d2.default_factory, list)
         self.assertEqual(d2, d1)
 
+    def test_keyerror_without_factory(self):
+        d1 = defaultdict()
+        try:
+            d1[(1,)]
+        except KeyError, err:
+            self.assertEqual(err.message, (1,))
+        else:
+            self.fail("expected KeyError")
+
 
 def test_main():
     test_support.run_unittest(TestDefaultDict)