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- from __future__ import absolute_import, division, print_function
- import functools
- import os
- import socket
- import unittest
- from tornado.platform.auto import set_close_exec
- skipIfNonWindows = unittest.skipIf(os.name != 'nt', 'non-windows platform')
- @skipIfNonWindows
- class WindowsTest(unittest.TestCase):
- def test_set_close_exec(self):
- # set_close_exec works with sockets.
- s = socket.socket()
- self.addCleanup(s.close)
- set_close_exec(s.fileno())
- # But it doesn't work with pipes.
- r, w = os.pipe()
- self.addCleanup(functools.partial(os.close, r))
- self.addCleanup(functools.partial(os.close, w))
- with self.assertRaises(WindowsError):
- set_close_exec(r)
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