ceph/src/boost/libs/statechart/test/InconsistentHistoryTest6.cpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 // Copyright 2005-2006 Andreas Huber Doenni
   3 // Distributed under the Boost Software License, Version 1.0. (See accompany-
   4 // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5 //////////////////////////////////////////////////////////////////////////////
   6
   7
   8
   9 #include <boost/statechart/state_machine.hpp>
  10 #include <boost/statechart/simple_state.hpp>
  11 #include <boost/statechart/event.hpp>
  12 #include <boost/statechart/custom_reaction.hpp>
  13
  14
  15
  16 namespace sc = boost::statechart;
  17
  18
  19
  20 struct EvX : sc::event< EvX > {};
  21
  22 struct A;
  23 struct InconsistentHistoryTest : sc::state_machine<
  24   InconsistentHistoryTest, A > {};
  25
  26 struct B;
  27 // A only has deep history
  28 struct A : sc::simple_state<
  29   A, InconsistentHistoryTest, B, sc::has_deep_history >
  30 {
  31   typedef sc::custom_reaction< EvX > reactions;
  32
  33   sc::result react( const EvX & )
  34   {
  35     // A only has deep history
  36     clear_shallow_history< A, 0 >();
  37     return discard_event();
  38   }
  39 };
  40
  41   struct B : sc::simple_state< B, A > {};
  42
  43
  44 int main()
  45 {
  46   InconsistentHistoryTest machine;
  47   machine.initiate();
  48   return 0;
  49 }