| 1 | ////////////////////////////////////////////////////////////////////////////// |
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| 2 | // Copyright 2010 Igor R (http://thread.gmane.org/gmane.comp.lib.boost.user/62985) |
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| 3 | // Copyright 2010 Andreas Huber Doenni |
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| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompany- |
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| 5 | // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | ////////////////////////////////////////////////////////////////////////////// |
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| 7 | |
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| 8 | #include <boost/statechart/event.hpp> |
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| 9 | #include <boost/statechart/state_machine.hpp> |
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| 10 | #include <boost/statechart/simple_state.hpp> |
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| 11 | #include <boost/statechart/transition.hpp> |
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| 12 | #include <boost/statechart/deferral.hpp> |
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| 13 | |
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| 14 | #include <boost/mpl/list.hpp> |
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| 15 | |
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| 16 | #include <boost/test/test_tools.hpp> |
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| 17 | |
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| 18 | |
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| 19 | |
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| 20 | namespace sc = boost::statechart; |
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| 21 | namespace mpl = boost::mpl; |
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| 22 | |
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| 23 | |
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| 24 | |
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| 25 | struct ev1to2 : sc::event< ev1to2 > {}; |
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| 26 | struct ev2to3 : sc::event< ev2to3 > {}; |
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| 27 | struct ev3to4_1 : sc::event< ev3to4_1 > {}; |
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| 28 | struct ev3to4_2 : sc::event< ev3to4_2 > {}; |
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| 29 | |
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| 30 | struct s1; |
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| 31 | struct fsm : sc::state_machine< fsm, s1 > {}; |
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| 32 | |
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| 33 | struct s2; |
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| 34 | struct s1 : sc::simple_state< s1, fsm > |
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| 35 | { |
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| 36 | typedef mpl::list< |
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| 37 | sc::transition< ev1to2, s2 >, |
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| 38 | sc::deferral< ev2to3 >, |
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| 39 | sc::deferral< ev3to4_1 >, |
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| 40 | sc::deferral< ev3to4_2 > |
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| 41 | > reactions; |
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| 42 | }; |
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| 43 | |
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| 44 | struct s3; |
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| 45 | struct s2 : sc::simple_state< s2, fsm > |
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| 46 | { |
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| 47 | typedef mpl::list< |
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| 48 | sc::transition< ev2to3, s3 >, |
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| 49 | sc::deferral< ev3to4_1 >, |
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| 50 | sc::deferral< ev3to4_2 > |
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| 51 | > reactions; |
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| 52 | }; |
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| 53 | |
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| 54 | struct s4_1; |
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| 55 | struct s4_2; |
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| 56 | struct s3 : sc::simple_state< s3, fsm > |
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| 57 | { |
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| 58 | typedef mpl::list< |
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| 59 | sc::transition< ev3to4_1, s4_1 >, |
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| 60 | sc::transition< ev3to4_2, s4_2 > |
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| 61 | > reactions; |
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| 62 | }; |
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| 63 | |
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| 64 | struct s4_1 : sc::simple_state< s4_1, fsm > {}; |
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| 65 | struct s4_2 : sc::simple_state< s4_2, fsm > {}; |
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| 66 | |
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| 67 | int test_main( int, char* [] ) |
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| 68 | { |
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| 69 | fsm machine; |
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| 70 | machine.initiate(); |
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| 71 | machine.process_event( evt: ev3to4_1() ); |
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| 72 | machine.process_event( evt: ev2to3() ); |
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| 73 | machine.process_event( evt: ev3to4_2() ); |
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| 74 | machine.process_event( evt: ev1to2() ); |
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| 75 | BOOST_REQUIRE( machine.state_cast< const s4_1 * >() != 0 ); |
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| 76 | machine.initiate(); |
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| 77 | machine.process_event( evt: ev3to4_1() ); |
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| 78 | machine.process_event( evt: ev3to4_2() ); |
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| 79 | machine.process_event( evt: ev1to2() ); |
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| 80 | machine.process_event( evt: ev2to3() ); |
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| 81 | BOOST_REQUIRE( machine.state_cast< const s4_1 * >() != 0 ); |
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| 82 | |
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| 83 | return 0; |
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| 84 | } |
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| 85 | |
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