64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
// (C) Copyright Jonathan Turkanis 2004.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for most recent version including documentation.
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// note: this is a compile only test.
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#include <boost/config.hpp> // BOOST_STATIC_CONST
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#include <boost/static_assert.hpp>
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#include <boost/type_traits/is_polymorphic.hpp>
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#include <boost/serialization/static_warning.hpp>
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typedef char a1[2];
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typedef char a2[3];
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class polymorphic {
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virtual ~polymorphic();
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};
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class non_polymorphic {
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};
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template<class T>
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int f(){
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BOOST_STATIC_WARNING(T::value);
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return 0;
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}
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struct A {
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BOOST_STATIC_CONSTANT(bool, value = false);
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};
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/////////////////////////////////////////////////////////////////////////
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// compilation of this program should show a total of 10 warning messages
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// should show NO warning message
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BOOST_STATIC_WARNING(true);
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// the following should show 5 warning message
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int x = f<A>(); // Warn
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int y = f<boost::is_polymorphic<non_polymorphic> >(); // Warn.
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int z = f<boost::is_polymorphic<polymorphic> >();
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BOOST_STATIC_WARNING(sizeof(a1) == sizeof(a2)); // Warn.
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BOOST_STATIC_WARNING(sizeof(a1) != sizeof(a1)); // Warn.
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BOOST_STATIC_WARNING(! boost::is_polymorphic<polymorphic>::value); // Warn.
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BOOST_STATIC_WARNING(boost::is_polymorphic<non_polymorphic>::value); // Warn.
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int main(int /* argc */, char * /* argv */[]){
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// should show NO warning message
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BOOST_STATIC_WARNING(true);
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// the following should show 5 warning message
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f<A>();
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BOOST_STATIC_WARNING(sizeof(a1) == sizeof(a2)); // Warn.
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BOOST_STATIC_WARNING(sizeof(a1) != sizeof(a1)); // Warn.
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BOOST_STATIC_WARNING(! boost::is_polymorphic<polymorphic>::value); // Warn.
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BOOST_STATIC_WARNING(boost::is_polymorphic<non_polymorphic>::value); // Warn.
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return 0;
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}
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