| 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 <libs/statechart/test/ThrowingBoostAssert.hpp> |
| 10 | #include <boost/statechart/state_machine.hpp> |
| 11 | #include <boost/statechart/event.hpp> |
| 12 | #include <boost/statechart/simple_state.hpp> |
| 13 | #include <boost/statechart/custom_reaction.hpp> |
| 14 | #include <boost/statechart/result.hpp> |
| 15 | |
| 16 | #include <boost/test/test_tools.hpp> |
| 17 | |
| 18 | #include <stdexcept> // std::logic_error |
| 19 | |
| 20 | namespace sc = boost::statechart; |
| 21 | |
| 22 | |
| 23 | |
| 24 | struct E : sc::event< E > {}; |
| 25 | |
| 26 | struct A; |
| 27 | struct InvalidResultCopyTest : |
| 28 | sc::state_machine< InvalidResultCopyTest, A > {}; |
| 29 | |
| 30 | struct A : sc::simple_state< A, InvalidResultCopyTest > |
| 31 | { |
| 32 | typedef sc::custom_reaction< E > reactions; |
| 33 | |
| 34 | sc::result react( const E & ) |
| 35 | { |
| 36 | sc::result r( discard_event() ); |
| 37 | sc::result rCopy1( r ); |
| 38 | // Ensure the copy is consumed so that we're not accidentally tripping |
| 39 | // the assert in the sc::result dtor |
| 40 | sc::detail::result_utility::get_result( value: rCopy1 ); |
| 41 | |
| 42 | // We must not make more than one copy of a result value |
| 43 | sc::result rCopy2( r ); |
| 44 | return rCopy2; |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | |
| 49 | |
| 50 | int test_main( int, char* [] ) |
| 51 | { |
| 52 | InvalidResultCopyTest machine; |
| 53 | machine.initiate(); |
| 54 | |
| 55 | #ifdef NDEBUG |
| 56 | BOOST_REQUIRE_NO_THROW( machine.process_event( E() ) ); |
| 57 | #else |
| 58 | BOOST_REQUIRE_THROW( machine.process_event( E() ), std::logic_error ); |
| 59 | #endif |
| 60 | |
| 61 | return 0; |
| 62 | } |
| 63 |