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| author | Antoine Pitrou <solipsis@pitrou.net> | 2011-10-04 10:26:20 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2011-10-04 10:26:20 (GMT) |
| commit | 1e44fecc52da8fb47ab51a000c48e0ce8f36064c (patch) | |
| tree | 402d41816f79d63ccfd1f8d296c0a4e6d3e32b1a /Lib/test | |
| parent | 94190bb6e7f3b1c7942b562fe0fad3e62b5386b9 (diff) | |
| download | cpython-1e44fecc52da8fb47ab51a000c48e0ce8f36064c.zip cpython-1e44fecc52da8fb47ab51a000c48e0ce8f36064c.tar.gz cpython-1e44fecc52da8fb47ab51a000c48e0ce8f36064c.tar.bz2 | |
Issue #13087: BufferedReader.seek() now always raises UnsupportedOperation
if the underlying raw stream is unseekable, even if the seek could be
satisfied using the internal buffer. Patch by John O'Connor.
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_io.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index 0dc9d6d..53cabbb 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -922,6 +922,14 @@ class BufferedReaderTest(unittest.TestCase, CommonBufferedTests): finally: support.unlink(support.TESTFN) + def test_unseekable(self): + bufio = self.tp(self.MockUnseekableIO(b"A" * 10)) + self.assertRaises(self.UnsupportedOperation, bufio.tell) + self.assertRaises(self.UnsupportedOperation, bufio.seek, 0) + bufio.read(1) + self.assertRaises(self.UnsupportedOperation, bufio.seek, 0) + self.assertRaises(self.UnsupportedOperation, bufio.tell) + def test_misbehaved_io(self): rawio = self.MisbehavedRawIO((b"abc", b"d", b"efg")) bufio = self.tp(rawio) |