From 4fb8caee87fea1707f9a754365d5ec30c9220f6f Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Tue, 15 Jan 2013 14:43:21 +0200
Subject: Issue #14850: Now a chamap decoder treates U+FFFE as "undefined
 mapping" in any mapping, not only in an unicode string.

---
 Lib/test/test_codecs.py | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'Lib/test/test_codecs.py')

diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py
index acf9f64b6b9..1fa9ee0f5e1 100644
--- a/Lib/test/test_codecs.py
+++ b/Lib/test/test_codecs.py
@@ -1586,6 +1586,10 @@ class CharmapTest(unittest.TestCase):
             codecs.charmap_decode, b"\x00\x01\x02", "strict", "ab"
         )
 
+        self.assertRaises(UnicodeDecodeError,
+            codecs.charmap_decode, b"\x00\x01\x02", "strict", "ab\ufffe"
+        )
+
         self.assertEqual(
             codecs.charmap_decode(b"\x00\x01\x02", "replace", "ab"),
             ("ab\ufffd", 3)
@@ -1642,6 +1646,17 @@ class CharmapTest(unittest.TestCase):
                                    {0: 'a', 1: 'b'}
         )
 
+        self.assertRaises(UnicodeDecodeError,
+            codecs.charmap_decode, b"\x00\x01\x02", "strict",
+                                   {0: 'a', 1: 'b', 2: None}
+        )
+
+        # Issue #14850
+        self.assertRaises(UnicodeDecodeError,
+            codecs.charmap_decode, b"\x00\x01\x02", "strict",
+                                   {0: 'a', 1: 'b', 2: '\ufffe'}
+        )
+
         self.assertEqual(
             codecs.charmap_decode(b"\x00\x01\x02", "replace",
                                   {0: 'a', 1: 'b'}),
@@ -1654,6 +1669,13 @@ class CharmapTest(unittest.TestCase):
             ("ab\ufffd", 3)
         )
 
+        # Issue #14850
+        self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "replace",
+                                  {0: 'a', 1: 'b', 2: '\ufffe'}),
+            ("ab\ufffd", 3)
+        )
+
         self.assertEqual(
             codecs.charmap_decode(b"\x00\x01\x02", "ignore",
                                   {0: 'a', 1: 'b'}),
@@ -1666,6 +1688,13 @@ class CharmapTest(unittest.TestCase):
             ("ab", 3)
         )
 
+        # Issue #14850
+        self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "ignore",
+                                  {0: 'a', 1: 'b', 2: '\ufffe'}),
+            ("ab", 3)
+        )
+
         allbytes = bytes(range(256))
         self.assertEqual(
             codecs.charmap_decode(allbytes, "ignore", {}),
@@ -1700,18 +1729,35 @@ class CharmapTest(unittest.TestCase):
                                    {0: a, 1: b},
         )
 
+        self.assertRaises(UnicodeDecodeError,
+            codecs.charmap_decode, b"\x00\x01\x02", "strict",
+                                   {0: a, 1: b, 2: 0xFFFE},
+        )
+
         self.assertEqual(
             codecs.charmap_decode(b"\x00\x01\x02", "replace",
                                   {0: a, 1: b}),
             ("ab\ufffd", 3)
         )
 
+        self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "replace",
+                                  {0: a, 1: b, 2: 0xFFFE}),
+            ("ab\ufffd", 3)
+        )
+
         self.assertEqual(
             codecs.charmap_decode(b"\x00\x01\x02", "ignore",
                                   {0: a, 1: b}),
             ("ab", 3)
         )
 
+        self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "ignore",
+                                  {0: a, 1: b, 2: 0xFFFE}),
+            ("ab", 3)
+        )
+
 
 class WithStmtTest(unittest.TestCase):
     def test_encodedfile(self):
-- 
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