[Python-checkins] cpython (3.4): asyncio: Sync with github

[yury.selivanov]

https://hg.python.org/cpython/rev/36cd67ed9d4a
changeset:   99526:36cd67ed9d4a
branch:      3.4
parent:      99501:6a3b444d89ce
user:        Yury Selivanov <yselivanov at sprymix.com>
date:        Fri Dec 11 11:32:59 2015 -0500
summary:
  asyncio: Sync with github

files:
  Lib/asyncio/streams.py                |  3 +++
  Lib/test/test_asyncio/test_streams.py |  4 ++--
  2 files changed, 5 insertions(+), 2 deletions(-)


diff --git a/Lib/asyncio/streams.py b/Lib/asyncio/streams.py
--- a/Lib/asyncio/streams.py
+++ b/Lib/asyncio/streams.py
@@ -494,6 +494,9 @@
 
     @coroutine
     def readexactly(self, n):
+        if n < 0:
+            raise ValueError('readexactly size can not be less than zero')
+
         if self._exception is not None:
             raise self._exception
 
diff --git a/Lib/test/test_asyncio/test_streams.py b/Lib/test/test_asyncio/test_streams.py
--- a/Lib/test/test_asyncio/test_streams.py
+++ b/Lib/test/test_asyncio/test_streams.py
@@ -351,8 +351,8 @@
         self.assertEqual(b'', data)
         self.assertEqual(self.DATA, stream._buffer)
 
-        data = self.loop.run_until_complete(stream.readexactly(-1))
-        self.assertEqual(b'', data)
+        with self.assertRaisesRegexp(ValueError, 'less than zero'):
+            self.loop.run_until_complete(stream.readexactly(-1))
         self.assertEqual(self.DATA, stream._buffer)
 
     def test_readexactly(self):

-- 
Repository URL: https://hg.python.org/cpython