commit f6bbd0e71d986e0acefb4b3708d9129a9bce4a17
author Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> Tue Feb 17 10:12:10 2009 +0000
committer Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> Tue Feb 17 10:12:10 2009 +0000
tree a33dde057c2b37a0472d785136a21749e201a5ac
parent f68b5b804675326fb05e20b3f327bd774fa95d09

Issue #5292: Fixed mmap crash on its boundary access m[len(m)].

Lib/test/test_mmap.py

diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py
index 6fecaf5..e1e5967 100644
--- a/Lib/test/test_mmap.py
+++ b/Lib/test/test_mmap.py
@@ -41,6 +41,10 @@
             self.assertEqual(m[0], '\0')
             self.assertEqual(m[0:3], '\0\0\0')
 
+            # Shouldn't crash on boundary (Issue #5292)
+            self.assertRaises(IndexError, m.__getitem__, len(m))
+            self.assertRaises(IndexError, m.__setitem__, len(m), '\0')
+
             # Modify the file's content
             m[0] = '3'
             m[PAGESIZE +3: PAGESIZE +3+3] = 'bar'