diff options
| -rw-r--r-- | Lib/test/test_io.py | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index 92e1567..f8a4938 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -571,29 +571,31 @@ class TextIOWrapperTest(unittest.TestCase): self.assertEquals(txt.read(), "".join(expected)) def testNewlinesOutput(self): - import os - orig_linesep = os.linesep data = "AAA\nBBB\rCCC\n" data_lf = b"AAA\nBBB\rCCC\n" data_cr = b"AAA\rBBB\rCCC\r" data_crlf = b"AAA\r\nBBB\rCCC\r\n" - for os.linesep, newline, expected in [ - ("\n", None, data_lf), - ("\r\n", None, data_crlf), - ("\n", "", data_lf), - ("\r\n", "", data_lf), - ("\n", "\n", data_lf), - ("\r\n", "\n", data_lf), - ("\n", "\r", data_cr), - ("\r\n", "\r", data_cr), - ("\n", "\r\n", data_crlf), - ("\r\n", "\r\n", data_crlf), - ]: - buf = io.BytesIO() - txt = io.TextIOWrapper(buf, encoding="ASCII", newline=newline) - txt.write(data) - txt.close() - self.assertEquals(buf.getvalue(), expected) + save_linesep = os.linesep + try: + for os.linesep, newline, expected in [ + ("\n", None, data_lf), + ("\r\n", None, data_crlf), + ("\n", "", data_lf), + ("\r\n", "", data_lf), + ("\n", "\n", data_lf), + ("\r\n", "\n", data_lf), + ("\n", "\r", data_cr), + ("\r\n", "\r", data_cr), + ("\n", "\r\n", data_crlf), + ("\r\n", "\r\n", data_crlf), + ]: + buf = io.BytesIO() + txt = io.TextIOWrapper(buf, encoding="ASCII", newline=newline) + txt.write(data) + txt.close() + self.assertEquals(buf.getvalue(), expected) + finally: + os.linesep = save_linesep # Systematic tests of the text I/O API |