diff options
Diffstat (limited to 'Lib/test/test_io.py')
| -rw-r--r-- | Lib/test/test_io.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index c98d61f..c555623 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -168,6 +168,18 @@ class IOTest(unittest.TestCase): self.read_ops(f, True) f.close() + def test_readline(self): + f = io.open(test_support.TESTFN, "wb") + f.write(b"abc\ndef\nxyzzy\nfoo") + f.close() + f = io.open(test_support.TESTFN, "rb") + self.assertEqual(f.readline(), b"abc\n") + self.assertEqual(f.readline(10), b"def\n") + self.assertEqual(f.readline(2), b"xy") + self.assertEqual(f.readline(4), b"zzy\n") + self.assertEqual(f.readline(), b"foo") + f.close() + def test_raw_bytes_io(self): f = io.BytesIO() self.write_ops(f) |