diff options
Diffstat (limited to 'Lib/test/test_fileio.py')
| -rw-r--r-- | Lib/test/test_fileio.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py index 87bf01549c..91c5251d42 100644 --- a/Lib/test/test_fileio.py +++ b/Lib/test/test_fileio.py @@ -71,6 +71,15 @@ class AutoFileTests(unittest.TestCase): n = self.f.readinto(a) self.assertEquals(array(b'b', [1, 2]), a[:n]) + def test_none_args(self): + self.f.write(b"hi\nbye\nabc") + self.f.close() + self.f = _FileIO(TESTFN, 'r') + self.assertEqual(self.f.read(None), b"hi\nbye\nabc") + self.f.seek(0) + self.assertEqual(self.f.readline(None), b"hi\n") + self.assertEqual(self.f.readlines(None), [b"bye\n", b"abc"]) + def testRepr(self): self.assertEquals(repr(self.f), "<_io.FileIO name=%r mode='%s'>" % (self.f.name, self.f.mode)) |