diff options
Diffstat (limited to 'Lib/test/test_fileio.py')
| -rw-r--r-- | Lib/test/test_fileio.py | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py index c37482ed70..41be95e04f 100644 --- a/Lib/test/test_fileio.py +++ b/Lib/test/test_fileio.py @@ -60,6 +60,15 @@ class AutoFileTests(unittest.TestCase): self.assertRaises((AttributeError, TypeError), setattr, f, attr, 'oops') + def testBlksize(self): + # test private _blksize attribute + blksize = io.DEFAULT_BUFFER_SIZE + # try to get preferred blksize from stat.st_blksize, if available + if hasattr(os, 'fstat'): + fst = os.fstat(self.f.fileno()) + blksize = getattr(fst, 'st_blksize', blksize) + self.assertEqual(self.f._blksize, blksize) + def testReadinto(self): # verify readinto self.f.write(bytes([1, 2])) @@ -141,7 +150,7 @@ class AutoFileTests(unittest.TestCase): def testOpendir(self): # Issue 3703: opening a directory should fill the errno # Windows always returns "[Errno 13]: Permission denied - # Unix calls dircheck() and returns "[Errno 21]: Is a directory" + # Unix uses fstat and returns "[Errno 21]: Is a directory" try: _FileIO('.', 'r') except OSError as e: @@ -352,8 +361,8 @@ class OtherFileTests(unittest.TestCase): def testConstructorHandlesNULChars(self): fn_with_NUL = 'foo\0bar' - self.assertRaises(TypeError, _FileIO, fn_with_NUL, 'w') - self.assertRaises(TypeError, _FileIO, bytes(fn_with_NUL, 'ascii'), 'w') + self.assertRaises(ValueError, _FileIO, fn_with_NUL, 'w') + self.assertRaises(ValueError, _FileIO, bytes(fn_with_NUL, 'ascii'), 'w') def testInvalidFd(self): self.assertRaises(ValueError, _FileIO, -10) |