Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Tip revision: 74f4bd53e03ded8408bcc2de67cf0f5a4ac5b1a1 authored by Barry Warsaw on 23 February 2012, 15:59:38 UTC
Bump some more copyright years (as per PEP 101), since this is the first
Bump some more copyright years (as per PEP 101), since this is the first
Tip revision: 74f4bd5
test_ioctl.py
import unittest
from test.test_support import TestSkipped, run_unittest
import os, struct
try:
import fcntl, termios
except ImportError:
raise TestSkipped("No fcntl or termios module")
if not hasattr(termios,'TIOCGPGRP'):
raise TestSkipped("termios module doesn't have TIOCGPGRP")
try:
tty = open("/dev/tty", "r")
tty.close()
except IOError:
raise TestSkipped("Unable to open /dev/tty")
try:
import pty
except ImportError:
pty = None
class IoctlTests(unittest.TestCase):
def test_ioctl(self):
# If this process has been put into the background, TIOCGPGRP returns
# the session ID instead of the process group id.
ids = (os.getpgrp(), os.getsid(0))
tty = open("/dev/tty", "r")
r = fcntl.ioctl(tty, termios.TIOCGPGRP, " ")
rpgrp = struct.unpack("i", r)[0]
self.assert_(rpgrp in ids, "%s not in %s" % (rpgrp, ids))
def test_ioctl_mutate(self):
import array
buf = array.array('i', [0])
ids = (os.getpgrp(), os.getsid(0))
tty = open("/dev/tty", "r")
r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
rpgrp = buf[0]
self.assertEquals(r, 0)
self.assert_(rpgrp in ids, "%s not in %s" % (rpgrp, ids))
def test_ioctl_signed_unsigned_code_param(self):
if not pty:
raise TestSkipped('pty module required')
mfd, sfd = pty.openpty()
try:
if termios.TIOCSWINSZ < 0:
set_winsz_opcode_maybe_neg = termios.TIOCSWINSZ
set_winsz_opcode_pos = termios.TIOCSWINSZ & 0xffffffffL
else:
set_winsz_opcode_pos = termios.TIOCSWINSZ
set_winsz_opcode_maybe_neg, = struct.unpack("i",
struct.pack("I", termios.TIOCSWINSZ))
our_winsz = struct.pack("HHHH",80,25,0,0)
# test both with a positive and potentially negative ioctl code
new_winsz = fcntl.ioctl(mfd, set_winsz_opcode_pos, our_winsz)
new_winsz = fcntl.ioctl(mfd, set_winsz_opcode_maybe_neg, our_winsz)
finally:
os.close(mfd)
os.close(sfd)
def test_main():
run_unittest(IoctlTests)
if __name__ == "__main__":
test_main()