Issue #15841: The readable(), writable() and seekable() methods of BytesIO
and StringIO objects now raise ValueError when the object has been closed.
Patch by Alessandro Moura.
diff --git a/Lib/test/test_memoryio.py b/Lib/test/test_memoryio.py
index 9248098..7c0c84f 100644
--- a/Lib/test/test_memoryio.py
+++ b/Lib/test/test_memoryio.py
@@ -318,9 +318,9 @@
self.assertEqual(memio.isatty(), False)
self.assertEqual(memio.closed, False)
memio.close()
- self.assertEqual(memio.writable(), True)
- self.assertEqual(memio.readable(), True)
- self.assertEqual(memio.seekable(), True)
+ self.assertRaises(ValueError, memio.writable)
+ self.assertRaises(ValueError, memio.readable)
+ self.assertRaises(ValueError, memio.seekable)
self.assertRaises(ValueError, memio.isatty)
self.assertEqual(memio.closed, True)
@@ -665,7 +665,6 @@
check(io.BytesIO(b'a'), basesize + 1 + 1 )
check(io.BytesIO(b'a' * 1000), basesize + 1000 + 1 )
-
class CStringIOTest(PyStringIOTest):
ioclass = io.StringIO
UnsupportedOperation = io.UnsupportedOperation