text: #!/usr/bin/python
  #
  #  Copyright (c) 2016, Nest Labs, Inc.
  #  All rights reserved.
  #
  #  Redistribution and use in source and binary forms, with or without
  #  modification, are permitted provided that the following conditions are met:
  #  1. Redistributions of source code must retain the above copyright
  #     notice, this list of conditions and the following disclaimer.
  #  2. Redistributions in binary form must reproduce the above copyright
  #     notice, this list of conditions and the following disclaimer in the
  #     documentation and/or other materials provided with the distribution.
  #  3. Neither the name of the copyright holder nor the
  #     names of its contributors may be used to endorse or promote products
  #     derived from this software without specific prior written permission.
  #
  #  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  #  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  #  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  #  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  #  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  #  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  #  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  #  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  #  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  #  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  #  POSSIBILITY OF SUCH DAMAGE.
  #
  
  import pexpect
  import time
  import unittest
  
  import node
  
  LEADER = 1
  ED1 = 2
  ED2 = 3
  ED3 = 4
  ED4 = 5
  
  class Cert_5_3_8_ChildAddressSet(unittest.TestCase):
      def setUp(self):
          self.nodes = {}
          for i in range(1,6):
              self.nodes[i] = node.Node(i)
  
          self.nodes[LEADER].set_panid(0xface)
          self.nodes[LEADER].set_mode('rsdn')
          self.nodes[LEADER].add_whitelist(self.nodes[ED1].get_addr64())
          self.nodes[LEADER].add_whitelist(self.nodes[ED2].get_addr64())
          self.nodes[LEADER].add_whitelist(self.nodes[ED3].get_addr64())
          self.nodes[LEADER].add_whitelist(self.nodes[ED4].get_addr64())
          self.nodes[LEADER].enable_whitelist()
  
          self.nodes[ED1].set_panid(0xface)
          self.nodes[ED1].set_mode('rsn')
          self.nodes[ED1].add_whitelist(self.nodes[LEADER].get_addr64())
          self.nodes[ED1].enable_whitelist()
  
          self.nodes[ED2].set_panid(0xface)
          self.nodes[ED2].set_mode('rsn')
          self.nodes[ED2].add_whitelist(self.nodes[LEADER].get_addr64())
          self.nodes[ED2].enable_whitelist()
  
          self.nodes[ED3].set_panid(0xface)
          self.nodes[ED3].set_mode('rsn')
          self.nodes[ED3].add_whitelist(self.nodes[LEADER].get_addr64())
          self.nodes[ED3].enable_whitelist()
  
          self.nodes[ED4].set_panid(0xface)
          self.nodes[ED4].set_mode('rsn')
          self.nodes[ED4].add_whitelist(self.nodes[LEADER].get_addr64())
          self.nodes[ED4].enable_whitelist()
  
      def tearDown(self):
          for node in self.nodes.itervalues():
              node.stop()
          del self.nodes
  
      def test(self):
          self.nodes[LEADER].start()
          self.nodes[LEADER].set_state('leader')
          self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
  
          self.nodes[ED1].start()
          time.sleep(3)
          self.assertEqual(self.nodes[ED1].get_state(), 'child')
  
          self.nodes[ED2].start()
          time.sleep(3)
          self.assertEqual(self.nodes[ED2].get_state(), 'child')
  
          self.nodes[ED3].start()
          time.sleep(3)
          self.assertEqual(self.nodes[ED3].get_state(), 'child')
  
          self.nodes[ED4].start()
          time.sleep(3)
          self.assertEqual(self.nodes[ED4].get_state(), 'child')
  
          for i in range(2,6):
              addrs = self.nodes[i].get_addrs()
              for addr in addrs:
                  if addr[0:4] != 'fe80':
                      self.nodes[LEADER].ping(addr)
  
  if __name__ == '__main__':
      unittest.main()
  