diff options
Diffstat (limited to 'Lib/test/test_ioctl.py')
-rw-r--r-- | Lib/test/test_ioctl.py | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Lib/test/test_ioctl.py b/Lib/test/test_ioctl.py index 2b127e2..feea5bf 100644 --- a/Lib/test/test_ioctl.py +++ b/Lib/test/test_ioctl.py @@ -14,6 +14,11 @@ try: 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 @@ -34,6 +39,30 @@ class IoctlTests(unittest.TestCase): 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 & 0xffffffff + else: + set_winsz_opcode_pos = termios.TIOCSWINSZ + set_winsz_opcode_maybe_neg, = struct.unpack("i", + struct.pack("I", termios.TIOCSWINSZ)) + + # We're just testing that these calls do not raise exceptions. + saved_winsz = fcntl.ioctl(mfd, termios.TIOCGWINSZ, "\0"*8) + 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) + fcntl.ioctl(mfd, set_winsz_opcode_maybe_neg, saved_winsz) + finally: + os.close(mfd) + os.close(sfd) + def test_main(): run_unittest(IoctlTests) |