| 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_shallow_history > |
| 30 | { |
| 31 | typedef sc::custom_reaction< EvX > reactions; |
| 32 | |
| 33 | sc::result react( const EvX & ) |
| 34 | { |
| 35 | // A only has shallow history |
| 36 | clear_deep_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 | } |
| 50 |