diff options
| -rw-r--r-- | Lib/io.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_memoryio.py | 2 |
2 files changed, 3 insertions, 1 deletions
@@ -794,7 +794,7 @@ class _BytesIO(BufferedIOBase): if n < 0: n = len(self._buffer) if len(self._buffer) <= self._pos: - return self._buffer[:0] + return bytes(self._buffer[:0]) newpos = min(len(self._buffer), self._pos + n) b = self._buffer[self._pos : newpos] self._pos = newpos diff --git a/Lib/test/test_memoryio.py b/Lib/test/test_memoryio.py index 2f5982f..1afc363 100644 --- a/Lib/test/test_memoryio.py +++ b/Lib/test/test_memoryio.py @@ -114,6 +114,8 @@ class MemoryTestMixin: self.assertEqual(memio.read(-1), buf) memio.seek(0) self.assertEqual(type(memio.read()), type(buf)) + memio.seek(100) + self.assertEqual(type(memio.read()), type(buf)) memio.seek(0) self.assertEqual(memio.read(None), buf) self.assertRaises(TypeError, memio.read, '') |