Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / amd64 / lib / python2.4 / test / 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")

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_main():
   run_unittest(IoctlTests)

if __name__ == "__main__":
   test_main()