new_contents: #! /usr/bin/env python
  # -*- coding: iso-8859-1 -*-
  # vi:ts=4:et
  
  import gc
  import os.path
  import pycurl
  import unittest
  try:
      import json
  except ImportError:
      import simplejson as json
  
  from . import appmanager
  from . import util
  
  setup_module, teardown_module = appmanager.setup(('app', 8380))
  
  class TestString(str):
      def __del__(self):
          self.replace('1', '2')
          #print self
          #print 'd'
  
  class SetoptLifecycleTest(unittest.TestCase):
      # separate method to permit pf to go out of scope and be
      # garbage collected before perform call
      def do_setopt(self, curl, index):
          pf = TestString('&'.join(50*['field=value%d' % (index,)]))
          curl.setopt(pycurl.URL, 'http://localhost:8380/postfields')
          curl.setopt(pycurl.POSTFIELDS, pf)
      
      # This test takes 6+ seconds to run.
      # It seems to pass with broken pycurl code when run by itself,
      # but fails when run as part of the entire test suite.
      def test_postfields_lifecycle(self):
          requests = []
          for i in range(1000):
              curl = pycurl.Curl()
              self.do_setopt(curl, i)
              gc.collect()
              requests.append(curl)
          
          # send requests here to permit maximum garbage recycling
          for i in range(100):
              curl = requests[i]
              #self.curl.setopt(pycurl.VERBOSE, 1)
              sio = util.StringIO()
              curl.setopt(pycurl.WRITEFUNCTION, sio.write)
              curl.perform()
              self.assertEqual(200, curl.getinfo(pycurl.HTTP_CODE))
              body = sio.getvalue()
              returned_fields = json.loads(body)
              self.assertEqual(dict(field='value%d' % i), returned_fields)
          
          for i in range(100):
              curl = requests[i]
              curl.close()
  
subject: Test for CURLOPT_POSTFIELDS lifecycle.