| 1 | // (C) Copyright Jonathan Turkanis 2004. |
|---|---|
| 2 | // Use, modification and distribution are subject to the |
| 3 | // Boost Software License, Version 1.0. (See accompanying file |
| 4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | // See http://www.boost.org for most recent version including documentation. |
| 7 | |
| 8 | // note: this is a compile only test. |
| 9 | |
| 10 | #include <boost/config.hpp> // BOOST_STATIC_CONST |
| 11 | #include <boost/static_assert.hpp> |
| 12 | #include <boost/type_traits/is_polymorphic.hpp> |
| 13 | |
| 14 | #include <boost/serialization/static_warning.hpp> |
| 15 | |
| 16 | typedef char a1[2]; |
| 17 | typedef char a2[3]; |
| 18 | |
| 19 | class polymorphic { |
| 20 | virtual ~polymorphic(); |
| 21 | }; |
| 22 | |
| 23 | class non_polymorphic { |
| 24 | }; |
| 25 | |
| 26 | template<class T> |
| 27 | int f(){ |
| 28 | BOOST_STATIC_WARNING(T::value); |
| 29 | return 0; |
| 30 | } |
| 31 | |
| 32 | struct A { |
| 33 | BOOST_STATIC_CONSTANT(bool, value = false); |
| 34 | }; |
| 35 | |
| 36 | ///////////////////////////////////////////////////////////////////////// |
| 37 | // compilation of this program should show a total of 10 warning messages |
| 38 | |
| 39 | // should show NO warning message |
| 40 | BOOST_STATIC_WARNING(true); |
| 41 | |
| 42 | // the following should show 5 warning message |
| 43 | int x = f<A>(); // Warn |
| 44 | int y = f<boost::is_polymorphic<non_polymorphic> >(); // Warn. |
| 45 | int z = f<boost::is_polymorphic<polymorphic> >(); |
| 46 | |
| 47 | BOOST_STATIC_WARNING(sizeof(a1) == sizeof(a2)); // Warn. |
| 48 | BOOST_STATIC_WARNING(sizeof(a1) != sizeof(a1)); // Warn. |
| 49 | BOOST_STATIC_WARNING(! boost::is_polymorphic<polymorphic>::value); // Warn. |
| 50 | BOOST_STATIC_WARNING(boost::is_polymorphic<non_polymorphic>::value); // Warn. |
| 51 | |
| 52 | int main(int /* argc */, char * /* argv */[]){ |
| 53 | // should show NO warning message |
| 54 | BOOST_STATIC_WARNING(true); |
| 55 | |
| 56 | // the following should show 5 warning message |
| 57 | f<A>(); |
| 58 | BOOST_STATIC_WARNING(sizeof(a1) == sizeof(a2)); // Warn. |
| 59 | BOOST_STATIC_WARNING(sizeof(a1) != sizeof(a1)); // Warn. |
| 60 | BOOST_STATIC_WARNING(! boost::is_polymorphic<polymorphic>::value); // Warn. |
| 61 | BOOST_STATIC_WARNING(boost::is_polymorphic<non_polymorphic>::value); // Warn. |
| 62 | return 0; |
| 63 | } |
| 64 |