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#!/usr/bin/env python
import pexpect
import unittest
import PexpectTestCase
import gc
import time
class TestCaseDestructor(PexpectTestCase.PexpectTestCase):
def test_destructor (self):
p1 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p2 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p3 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p4 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
fd_t1 = (p1.child_fd,p2.child_fd,p3.child_fd,p4.child_fd)
p1.expect(pexpect.EOF)
p2.expect(pexpect.EOF)
p3.expect(pexpect.EOF)
p4.expect(pexpect.EOF)
p1.kill(9)
p2.kill(9)
p3.kill(9)
p4.kill(9)
p1 = None
p2 = None
p3 = None
p4 = None
gc.collect()
time.sleep(3) # Some platforms are slow at gc... Solaris!
p1 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p2 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p3 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p4 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
fd_t2 = (p1.child_fd,p2.child_fd,p3.child_fd,p4.child_fd)
p1.kill(9)
p2.kill(9)
p3.kill(9)
p4.kill(9)
del (p1)
del (p2)
del (p3)
del (p4)
gc.collect()
time.sleep(3)
p1 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p2 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p3 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
p4 = pexpect.spawn('%s hello_world.py' % self.PYTHONBIN)
fd_t3 = (p1.child_fd,p2.child_fd,p3.child_fd,p4.child_fd)
assert (fd_t1 == fd_t2 == fd_t3), "pty file descriptors not properly garbage collected (fd_t1,fd_t2,fd_t3)=(%s,%s,%s)" % (str(fd_t1),str(fd_t2),str(fd_t3))
if __name__ == '__main__':
unittest.main()
suite = unittest.makeSuite(TestCaseDestructor,'test')
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