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//////////////////////////////////////////////////////////////////////////////
// Copyright 2005-2006 Andreas Huber Doenni
// Distributed under the Boost Software License, Version 1.0. (See accompany-
// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//////////////////////////////////////////////////////////////////////////////
#include <boost/statechart/state_machine.hpp>
#include <boost/statechart/event.hpp>
#include <boost/statechart/simple_state.hpp>
#include <boost/statechart/state.hpp>
#include <boost/statechart/transition.hpp>
#include <boost/statechart/custom_reaction.hpp>
#include <boost/mpl/list.hpp>
#include <boost/intrusive_ptr.hpp>
#include <boost/test/test_tools.hpp>
namespace sc = boost::statechart;
namespace mpl = boost::mpl;
struct EvToB : sc::event< EvToB > {};
struct EvToF : sc::event< EvToF > {};
struct EvCheck : sc::event< EvCheck > {};
struct A;
struct StateCastTest : sc::state_machine< StateCastTest, A >
{
template< class State >
void AssertInState()
{
BOOST_REQUIRE( state_downcast< const State * >() != 0 );
BOOST_REQUIRE_NO_THROW( state_downcast< const State & >() );
BOOST_REQUIRE( state_cast< const State * >() != 0 );
BOOST_REQUIRE_NO_THROW( state_cast< const State & >() );
}
template< class State >
void AssertNotInState()
{
BOOST_REQUIRE( state_downcast< const State * >() == 0 );
BOOST_REQUIRE_THROW( state_downcast< const State & >(), std::bad_cast );
BOOST_REQUIRE( state_cast< const State * >() == 0 );
BOOST_REQUIRE_THROW( state_cast< const State & >(), std::bad_cast );
}
};
template< class State, class FromState >
void AssertInState( const FromState & theState )
{
BOOST_REQUIRE( theState.template state_downcast< const State * >() != 0 );
BOOST_REQUIRE_NO_THROW( theState.template state_downcast< const State & >() );
BOOST_REQUIRE( theState.template state_cast< const State * >() != 0 );
BOOST_REQUIRE_NO_THROW( theState.template state_cast< const State & >() );
}
template< class State, class FromState >
void AssertNotInState( const FromState & theState )
{
BOOST_REQUIRE( theState.template state_downcast< const State * >() == 0 );
BOOST_REQUIRE_THROW( theState.template state_downcast< const State & >(), std::bad_cast );
BOOST_REQUIRE( theState.template state_cast< const State * >() == 0 );
BOOST_REQUIRE_THROW( theState.template state_cast< const State & >(), std::bad_cast );
}
struct B;
struct C;
struct D;
struct A : sc::simple_state< A, StateCastTest, mpl::list< C, D > >
{
typedef sc::transition< EvToB, B > reactions;
};
struct E;
struct C : sc::simple_state< C, A::orthogonal< 0 >, E > {};
struct E : sc::state< E, C >
{
typedef sc::custom_reaction< EvCheck > reactions;
E( my_context ctx ) : my_base( ctx )
{
post_event( boost::intrusive_ptr< EvCheck >( new EvCheck() ) );
}
sc::result react( const EvCheck & );
};
struct F : sc::state< F, C >
{
typedef sc::custom_reaction< EvCheck > reactions;
F( my_context ctx ) : my_base( ctx )
{
post_event( boost::intrusive_ptr< EvCheck >( new EvCheck() ) );
}
sc::result react( const EvCheck & );
};
struct G;
struct D : sc::simple_state< D, A::orthogonal< 1 >, G > {};
struct G : sc::simple_state< G, D > {};
struct H : sc::simple_state< H, D > {};
struct B : sc::simple_state< B, StateCastTest >
{
typedef sc::transition< EvToF, F > reactions;
};
sc::result E::react( const EvCheck & )
{
AssertInState< A >( *this );
AssertNotInState< B >( *this );
AssertInState< C >( *this );
AssertInState< D >( *this );
AssertInState< E >( *this );
AssertNotInState< F >( *this );
AssertInState< G >( *this );
AssertNotInState< H >( *this );
return discard_event();
}
sc::result F::react( const EvCheck & )
{
AssertInState< A >( *this );
AssertNotInState< B >( *this );
AssertInState< C >( *this );
AssertInState< D >( *this );
AssertNotInState< E >( *this );
AssertInState< F >( *this );
AssertInState< G >( *this );
AssertNotInState< H >( *this );
return discard_event();
}
int test_main( int, char* [] )
{
StateCastTest machine;
machine.AssertNotInState< A >();
machine.AssertNotInState< B >();
machine.AssertNotInState< C >();
machine.AssertNotInState< D >();
machine.AssertNotInState< E >();
machine.AssertNotInState< F >();
machine.AssertNotInState< G >();
machine.AssertNotInState< H >();
machine.initiate();
machine.AssertInState< A >();
machine.AssertNotInState< B >();
machine.AssertInState< C >();
machine.AssertInState< D >();
machine.AssertInState< E >();
machine.AssertNotInState< F >();
machine.AssertInState< G >();
machine.AssertNotInState< H >();
machine.process_event( EvToB() );
machine.AssertNotInState< A >();
machine.AssertInState< B >();
machine.AssertNotInState< C >();
machine.AssertNotInState< D >();
machine.AssertNotInState< E >();
machine.AssertNotInState< F >();
machine.AssertNotInState< G >();
machine.AssertNotInState< H >();
machine.process_event( EvToF() );
machine.AssertInState< A >();
machine.AssertNotInState< B >();
machine.AssertInState< C >();
machine.AssertInState< D >();
machine.AssertNotInState< E >();
machine.AssertInState< F >();
machine.AssertInState< G >();
machine.AssertNotInState< H >();
machine.terminate();
machine.AssertNotInState< A >();
machine.AssertNotInState< B >();
machine.AssertNotInState< C >();
machine.AssertNotInState< D >();
machine.AssertNotInState< E >();
machine.AssertNotInState< F >();
machine.AssertNotInState< G >();
machine.AssertNotInState< H >();
return 0;
}
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