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path: root/pexpect/tests/test_run_out_of_pty.py
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#!/usr/bin/env python
"""
PEXPECT LICENSE

    This license is approved by the OSI and FSF as GPL-compatible.
        http://opensource.org/licenses/isc-license.txt

    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

"""
import pexpect
import unittest
import commands
import sys
import PexpectTestCase

class ExpectTestCase(PexpectTestCase.PexpectTestCase):
    # This takes too long to run and isn't all that interesting of a test.
    def OFF_test_run_out_of_pty (self):
        """This assumes that the tested platform has < 10000 pty devices.
        This test currently does not work under Solaris.
        Under Solaris it runs out of file descriptors first and
        ld.so starts to barf:
            ld.so.1: pt_chmod: fatal: /usr/lib/libc.so.1: Too many open files
        """
        plist=[]
        for count in range (0,10000):
                try:
                        plist.append (pexpect.spawn('ls -l'))
                except pexpect.ExceptionPexpect, e:
                        for c in range (0,count):
                            plist[c].close()
                        return
                except Exception, e:
                        self.fail ('Expected ExceptionPexpect. ' + str(e))
        self.fail ('Could not run out of pty devices. This may be OK.')

if __name__ == '__main__':
    unittest.main()

suite = unittest.makeSuite(ExpectTestCase,'test')