func (s *ipAddressesStateSuite) checkAddressMatchesArgs(c *gc.C, address *state.Address, args state.LinkLayerDeviceAddress) {
c.Check(address.DeviceName(), gc.Equals, args.DeviceName)
c.Check(address.MachineID(), gc.Equals, s.machine.Id())
c.Check(args.CIDRAddress, jc.HasPrefix, address.Value())
c.Check(address.ConfigMethod(), gc.Equals, args.ConfigMethod)
c.Check(address.ProviderID(), gc.Equals, args.ProviderID)
c.Check(address.DNSServers(), jc.DeepEquals, args.DNSServers)
c.Check(address.DNSSearchDomains(), jc.DeepEquals, args.DNSSearchDomains)
c.Check(address.GatewayAddress(), gc.Equals, args.GatewayAddress)
}
func (s *ipAddressesStateSuite) removeAddressAndAssertSuccess(c *gc.C, givenAddress *state.Address) {
err := givenAddress.Remove()
c.Assert(err, jc.ErrorIsNil)
}