testtools.h

#include <boost/detail/lightweight_test.hpp>

#include <functional>
#include <limits>

namespace com {
    namespace test {
        template <class Container, class Data>
        void testContainer(Container& cont, Container& checkCont, std::function<void(Data&, Data&)> checker)
        {
            auto contIt = cont.begin();
            auto checkContIt = checkCont.begin();
            for(; contIt != cont.end(); ++contIt, ++checkContIt)
            {
                checker(*contIt, *checkContIt);
            }
        }

        template<class T>
        void equal(const T& a, const T& b)
        {
            BOOST_TEST_EQ(a, b);
        }

        template<class T>
        typename std::enable_if<!std::numeric_limits<T>::is_integer, void>::type
        machine_close(const T& a, const T& b)
        {
            // Реализация с cppreference.com
            bool close = std::abs(a-b) <= std::numeric_limits<T>::epsilon() * std::max(std::abs(a), std::abs(b));
            BOOST_TEST(close);
        }
    }
}