diff options
Diffstat (limited to 'Lib/test/test_select.py')
| -rw-r--r-- | Lib/test/test_select.py | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/Lib/test/test_select.py b/Lib/test/test_select.py index a973f3f..458998a 100644 --- a/Lib/test/test_select.py +++ b/Lib/test/test_select.py @@ -46,24 +46,23 @@ class SelectTestCase(unittest.TestCase): def test_select(self): cmd = 'for i in 0 1 2 3 4 5 6 7 8 9; do echo testing...; sleep 1; done' - p = os.popen(cmd, 'r') - for tout in (0, 1, 2, 4, 8, 16) + (None,)*10: - if support.verbose: - print('timeout =', tout) - rfd, wfd, xfd = select.select([p], [], [], tout) - if (rfd, wfd, xfd) == ([], [], []): - continue - if (rfd, wfd, xfd) == ([p], [], []): - line = p.readline() + with os.popen(cmd) as p: + for tout in (0, 1, 2, 4, 8, 16) + (None,)*10: if support.verbose: - print(repr(line)) - if not line: + print('timeout =', tout) + rfd, wfd, xfd = select.select([p], [], [], tout) + if (rfd, wfd, xfd) == ([], [], []): + continue + if (rfd, wfd, xfd) == ([p], [], []): + line = p.readline() if support.verbose: - print('EOF') - break - continue - self.fail('Unexpected return values from select():', rfd, wfd, xfd) - p.close() + print(repr(line)) + if not line: + if support.verbose: + print('EOF') + break + continue + self.fail('Unexpected return values from select():', rfd, wfd, xfd) # Issue 16230: Crash on select resized list def test_select_mutated(self): |