
//  (C) Copyright John Maddock 2000. Permission to copy, use, modify, sell and   
//  distribute this software is granted provided this copyright notice appears
//  in all copies. This software is provided "as is" without express or implied
//  warranty, and with no claim as to its suitability for any purpose.

#include <boost/type_traits/conversion_traits.hpp>
#include <boost/utility.hpp>
#include <boost/test/cpp_main.cpp>
#include "boost/type_traits/type_traits_test.hpp"

template <class T>
struct convertible_from
{
    convertible_from(T);
};

#if defined(__BORLANDC__) && (__BORLANDC__ <= 0x551)
#  define maybe_value_test value_fail
#else
#  define maybe_value_test value_test 
#endif

int cpp_main(int argc, char* argv[])
{
   value_test(true, (boost::is_convertible<Derived,Base>::value));
   value_test(true, (boost::is_convertible<Derived,Derived>::value));
   value_test(true, (boost::is_convertible<Base,Base>::value));
   value_test(false, (boost::is_convertible<Base,Derived>::value));
   value_test(true, (boost::is_convertible<Derived,Derived>::value));
   value_test(false, (boost::is_convertible<NonDerived,Base>::value));
   value_test(true, (boost::is_convertible<float,int>::value));
   
#ifdef BOOST_MSVC6_MEMBER_TEMPLATES
   value_test(false, (boost::is_convertible<float,void>::value));
   value_test(false, (boost::is_convertible<void,float>::value));
   value_test(true, (boost::is_convertible<void,void>::value));
#endif
   value_test(true, (boost::is_convertible<enum1, int>::value));
   value_test(true, (boost::is_convertible<Derived*, Base*>::value));
   value_test(false, (boost::is_convertible<Base*, Derived*>::value));
   value_test(true, (boost::is_convertible<Derived&, Base&>::value));
   value_test(false, (boost::is_convertible<Base&, Derived&>::value));
   value_test(true, (boost::is_convertible<const Derived*, const Base*>::value));
   value_test(false, (boost::is_convertible<const Base*, const Derived*>::value));
   value_test(true, (boost::is_convertible<const Derived&, const Base&>::value));
   value_test(false, (boost::is_convertible<const Base&, const Derived&>::value));

   value_test(false, (boost::is_convertible<const int *, int*>::value));
   value_test(false, (boost::is_convertible<const int&, int&>::value));
   value_test(true, (boost::is_convertible<int*, int[2]>::value));
   value_test(false, (boost::is_convertible<const int*, int[3]>::value));
   value_test(true, (boost::is_convertible<const int&, int>::value));
   value_test(true, (boost::is_convertible<int(&)[4], const int*>::value));
   value_test(true, (boost::is_convertible<int(&)(int), int(*)(int)>::value));
   value_test(true, (boost::is_convertible<int *, const int*>::value));
   value_test(true, (boost::is_convertible<int&, const int&>::value));
   value_test(true, (boost::is_convertible<int[2], int*>::value));
   value_test(true, (boost::is_convertible<int[2], const int*>::value));
   value_test(false, (boost::is_convertible<const int[2], int*>::value));

   value_test(true, (boost::is_convertible<non_pointer, void*>::value));
   value_test(false, (boost::is_convertible<non_pointer, int*>::value));
   value_test(true, (boost::is_convertible<non_int_pointer, int*>::value));
   value_test(true, (boost::is_convertible<non_int_pointer, void*>::value));
   value_test(false, (boost::is_convertible<test_abc1&, test_abc2&>::value));
   value_test(false, (boost::is_convertible<test_abc1&, int_constructible>::value));
   value_test(false, (boost::is_convertible<int_constructible, test_abc1&>::value));

   //
   // the following tests all involve user defined conversions which do
   // not compile with Borland C++ Builder:
   //
   maybe_value_test(true, (boost::is_convertible<int, int_constructible>::value));
   maybe_value_test(true, (boost::is_convertible<float,convertible_from<float> >::value));
   maybe_value_test(true, (boost::is_convertible<float,convertible_from<float const&> >::value));
   maybe_value_test(true, (boost::is_convertible<float,convertible_from<float&> >::value));

   maybe_value_test(true, (boost::is_convertible<float,convertible_from<char> >::value));
   maybe_value_test(true, (boost::is_convertible<float,convertible_from<char const&> >::value));
   maybe_value_test(false, (boost::is_convertible<float,convertible_from<char&> >::value));

   maybe_value_test(true, (boost::is_convertible<char,convertible_from<char> >::value));
   maybe_value_test(true, (boost::is_convertible<char,convertible_from<char const&> >::value));
   maybe_value_test(true, (boost::is_convertible<char,convertible_from<char&> >::value));

   maybe_value_test(true, (boost::is_convertible<float&,convertible_from<float> >::value));
   maybe_value_test(true, (boost::is_convertible<float const&,convertible_from<float> >::value));
   maybe_value_test(true, (boost::is_convertible<float&,convertible_from<float&> >::value));
   maybe_value_test(true, (boost::is_convertible<float const&,convertible_from<float const&> >::value));
   maybe_value_test(true, (boost::is_convertible<float&,convertible_from<float const&> >::value));

   return check_result(argc, argv);
}

//
// define the number of failures expected for given compilers:
#if defined(__BORLANDC__) && (__BORLANDC__ <= 0x551)
unsigned int expected_failures = 1;
#elif defined(__BORLANDC__)
unsigned int expected_failures = 3;
#elif defined(__MWERKS__) && __MWERKS__ < 0x3000
unsigned int expected_failures = 35;
#else 
unsigned int expected_failures = 0;
#endif






