#ifndef FTM_CHECK_H
#define FTM_CHECK_H
#include <boost/test/test_tools.hpp>

#define FTM_WARN_COLLECTION_MONO_INCREASE(Begin, End) \
	BOOST_CHECK_WITH_ARGS_IMPL(::ftm::test::detail::check_mono_increase_func_frwd(), "FTM_WARN_COLLECTION_MONO_INCREASE", WARN, CHECK_PRED_WITH_ARGS, (Begin)(End));
#define FTM_CHECK_COLLECTION_MONO_INCREASE(Begin, End) \
	BOOST_CHECK_WITH_ARGS_IMPL(::ftm::test::detail::check_mono_increase_func_frwd(), "FTM_CHECK_COLLECTION_MONO_INCREASE", CHECK, CHECK_PRED_WITH_ARGS, (Begin)(End));
#define FTM_REQUIRE_COLLECTION_MONO_INCREASE(Begin, End) \
	BOOST_CHECK_WITH_ARGS_IMPL(::ftm::test::detail::check_mono_increase_func_frwd(), "FTM_REQUIRE_COLLECTION_MONO_INCREASE", REQUIRE, CHECK_PRED_WITH_ARGS, (Begin)(End));
namespace ftm{ namespace test{ namespace detail{

struct check_mono_increase_func_frwd{
	template<typename ForwardIteratorA, typename ForwardIteratorB>
	boost::test_tools::predicate_result operator()(ForwardIteratorA begin, ForwardIteratorB end) const{
		boost::test_tools::predicate_result result = true;
		std::size_t pos = 0;

		if(begin == end)
			return result;

		ForwardIteratorA previous = begin;
		ForwardIteratorA current = begin;
		current++;
		while(current != end){
			if(*previous > *current){
				result = false;
				result.message() << "\n(position: " << pos << "): "<< *previous << " > " << *current;
			}
			previous = current;
			current++;
			pos++;
		}

		return result;
	}
};

}}}


#endif