commit 3486a98dcd7f11215b61be3428edbbc9b6aa3164
author Antoine Pitrou <solipsis@pitrou.net> Thu May 12 01:57:53 2011 +0200
committer Antoine Pitrou <solipsis@pitrou.net> Thu May 12 01:57:53 2011 +0200
tree 3077952f72041cedc71b79469e76c4e577ff2ec5
parent e9c7d6c3d90667727b668248d2a8191cfefa2528

Issue #9971: Write an optimized implementation of BufferedReader.readinto().
Patch by John O'Connor.

Lib/test/test_io.py

diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 8d293d0..153548e 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -794,6 +794,12 @@
         self.assertEqual(b, b"gf")
         self.assertEqual(bufio.readinto(b), 0)
         self.assertEqual(b, b"gf")
+        rawio = self.MockRawIO((b"abc", None))
+        bufio = self.tp(rawio)
+        self.assertEqual(bufio.readinto(b), 2)
+        self.assertEqual(b, b"ab")
+        self.assertEqual(bufio.readinto(b), 1)
+        self.assertEqual(b, b"cb")
 
     def test_readlines(self):
         def bufio():