Method test_setblocking_invalidfd

Lib/test/test_socket.py:6114–6124

(self)

        self.assertIs(socket.timeout, TimeoutError)

    def test_setblocking_invalidfd(self):
        # Regression test for issue #28471

        sock0 = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
        sock = socket.socket(
            socket.AF_INET, socket.SOCK_STREAM, 0, sock0.fileno())
        sock0.close()
        self.addCleanup(sock.detach)

        with self.assertRaises(OSError):
            sock.setblocking(False)


@unittest.skipUnless(sys.platform in ('linux', 'android'), 'Linux specific test')