23     def closed(self):  argument
26     def writable(self):  argument
29     def readable(self):  argument
32     def write(self, s):  argument
35     def read(self, n):  argument
38     def flush(self):  argument
45     def fileno(self):  argument
48     def writable(self):  argument
53     def __init__(self, value):  argument
56     def set(self, value):  argument
59     def __bool__(self):  argument
64     def __init__(self, mutable_flushed, mutable_closed):  argument
69     def close(self):  argument
73     def flush(self):  argument
110     def setUp(self):  argument
115     def tearDown(self):  argument
123     def handleCmd(self, cmd, check=True, collect_result=True):  argument
137     def test_legacy_file_out_script(self):  argument
150     def test_legacy_file_out(self):  argument
157     def test_legacy_file_err_with_get(self):  argument
169     def test_legacy_file_err(self):  argument
176     def test_legacy_file_error(self):  argument
184     def test_sbfile_type_errors(self):  argument
192     def test_sbfile_write_fileno(self):  argument
204     def test_sbfile_write(self):  argument
215     def test_sbfile_read_fileno(self):  argument
226     def test_sbfile_read(self):  argument
239     def test_fileno_out(self):  argument
251     def test_fileno_help(self):  argument
262     def test_help(self):  argument
270     def test_immediate(self):  argument
284     def test_immediate_string(self):  argument
297     def test_immediate_sbfile_string(self):  argument
309     def test_fileno_inout(self):  argument
331     def test_inout(self):  argument
346     def test_binary_inout(self):  argument
361     def test_string_inout(self):  argument
375     def test_bytes_inout(self):  argument
389     def test_fileno_error(self):  argument
404     def test_replace_stdout(self):  argument
413     def test_replace_stdout_with_nonfile(self):  argument
429     def test_sbfile_write_borrowed(self):  argument
441     def test_sbfile_write_forced(self):  argument
461     def test_sbfile_write_forced_borrowed(self):  argument
481     def test_sbfile_write_string(self):  argument
491     def test_string_out(self):  argument
498     def test_string_error(self):  argument
506     def test_sbfile_write_bytes(self):  argument
516     def test_sbfile_read_string(self):  argument
524     def test_sbfile_read_string_one_byte(self):  argument
535     def test_sbfile_read_bytes(self):  argument
543     def test_sbfile_out(self):  argument
552     def test_file_out(self):  argument
560     def test_sbfile_error(self):  argument
570     def test_file_error(self):  argument
579     def test_exceptions(self):  argument
592     def test_exceptions_logged(self):  argument
600     def test_flush(self):  argument
627     def test_fileno_flush(self):  argument
646     def test_close(self):  argument
662     def test_stdout(self):  argument
669     def test_stdout_file(self):  argument
682     def test_identity(self):  argument
734     def test_back_and_forth(self):  argument
753     def test_set_filehandle_none(self):  argument
782     def test_sbstream(self):  argument
806     def test_set_sbstream(self):  argument