1 // scoped_enum_emulation_test.cpp ----------------------------------------------------// 2 3 // Copyright Beman Dawes, 2009 4 5 // Distributed under the Boost Software License, Version 1.0. 6 // See http://www.boost.org/LICENSE_1_0.txt 7 8 // See documentation at http://www.boost.org/libs/utility/scoped_enum_emulation.html 9 10 // #include <boost/detail/disable_warnings.hpp> 11 // #include <boost/config/warning_disable.hpp> 12 13 14 #include <boost/detail/scoped_enum_emulation.hpp> 15 #include <boost/assert.hpp> 16 BOOST_SCOPED_ENUM_START(traffic_light)17BOOST_SCOPED_ENUM_START(traffic_light) { red=0, yellow, green }; BOOST_SCOPED_ENUM_END 18 BOOST_SCOPED_ENUM_START(algae)19BOOST_SCOPED_ENUM_START(algae) { green=0, red, cyan }; BOOST_SCOPED_ENUM_END 20 21 struct color 22 { BOOST_SCOPED_ENUM_STARTcolor23 BOOST_SCOPED_ENUM_START(value_t) { red, green, blue }; BOOST_SCOPED_ENUM_END 24 BOOST_SCOPED_ENUM(value_t) value; 25 }; 26 foo(BOOST_SCOPED_ENUM (algae)arg)27void foo( BOOST_SCOPED_ENUM(algae) arg ) 28 { 29 BOOST_ASSERT( arg == algae::cyan ); 30 } 31 main()32int main() 33 { 34 BOOST_SCOPED_ENUM(traffic_light) signal( traffic_light::red ); 35 BOOST_SCOPED_ENUM(algae) sample( algae::red ); 36 37 BOOST_ASSERT( signal == traffic_light::red ); 38 BOOST_ASSERT( sample == algae::red ); 39 40 foo( algae::cyan ); 41 42 color tracker; 43 tracker.value = color::value_t::blue; 44 45 if (tracker.value == color::value_t::blue) return 0; // quiet warnings 46 47 return 0; 48 } 49