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/event.hpp>
11 #include <boost/statechart/simple_state.hpp>
12 #include <boost/statechart/custom_reaction.hpp>
13 #include <boost/statechart/result.hpp>
14 
15 #include <boost/static_assert.hpp>
16 
17 
18 
19 namespace sc = boost::statechart;
20 
21 
22 
23 struct E : sc::event< E > {};
24 
25 struct A;
26 struct InvalidResultAssignTest :
27   sc::state_machine< InvalidResultAssignTest, A > {};
28 
29 struct A : sc::simple_state< A, InvalidResultAssignTest >
30 {
31   typedef sc::custom_reaction< E > reactions;
32 
reactA33   sc::result react( const E & )
34   {
35     sc::result r( discard_event() );
36     // sc::result must not be assignmable
37     r = discard_event();
38     return r;
39   }
40 };
41 
42 
43 
main()44 int main()
45 {
46   InvalidResultAssignTest machine;
47   machine.initiate();
48 
49   #ifdef NDEBUG
50     // Test only fails in DEBUG mode. Forcing failure...
51     BOOST_STATIC_ASSERT( false );
52   #endif
53 
54   return 0;
55 }
56