Merged revisions 81907 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r81907 | antoine.pitrou | 2010-06-11 23:42:26 +0200 (ven., 11 juin 2010) | 5 lines
Issue #8941: decoding big endian UTF-32 data in UCS-2 builds could crash
the interpreter with characters outside the Basic Multilingual Plane
(higher than 0x10000).
........
diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py
index 7de1ed5..911d58f 100644
--- a/Lib/test/test_codecs.py
+++ b/Lib/test/test_codecs.py
@@ -353,6 +353,16 @@
self.check_state_handling_decode(self.encoding,
"spamspam", self.spambe)
+ def test_issue8941(self):
+ # Issue #8941: insufficient result allocation when decoding into
+ # surrogate pairs on UCS-2 builds.
+ encoded_le = b'\xff\xfe\x00\x00' + b'\x00\x00\x01\x00' * 1024
+ self.assertEqual('\U00010000' * 1024,
+ codecs.utf_32_decode(encoded_le)[0])
+ encoded_be = b'\x00\x00\xfe\xff' + b'\x00\x01\x00\x00' * 1024
+ self.assertEqual('\U00010000' * 1024,
+ codecs.utf_32_decode(encoded_be)[0])
+
class UTF32LETest(ReadTest):
encoding = "utf-32-le"
@@ -386,6 +396,13 @@
self.assertRaises(UnicodeDecodeError, codecs.utf_32_le_decode,
b"\xff", "strict", True)
+ def test_issue8941(self):
+ # Issue #8941: insufficient result allocation when decoding into
+ # surrogate pairs on UCS-2 builds.
+ encoded = b'\x00\x00\x01\x00' * 1024
+ self.assertEqual('\U00010000' * 1024,
+ codecs.utf_32_le_decode(encoded)[0])
+
class UTF32BETest(ReadTest):
encoding = "utf-32-be"
@@ -419,6 +436,14 @@
self.assertRaises(UnicodeDecodeError, codecs.utf_32_be_decode,
b"\xff", "strict", True)
+ def test_issue8941(self):
+ # Issue #8941: insufficient result allocation when decoding into
+ # surrogate pairs on UCS-2 builds.
+ encoded = b'\x00\x01\x00\x00' * 1024
+ self.assertEqual('\U00010000' * 1024,
+ codecs.utf_32_be_decode(encoded)[0])
+
+
class UTF16Test(ReadTest):
encoding = "utf-16"