safe_numerics/test/test_less_than_native.cpp
Robert Ramey f49e434238 Add tests for constexpr
improved CMake implementation for testing and development
2019-01-10 11:54:18 -08:00

61 lines
1.8 KiB
C++

// Copyright (c) 2012 Robert Ramey
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <iostream>
#include <boost/safe_numerics/safe_integer.hpp>
template <class T>
using safe_t = boost::safe_numerics::safe<
T,
boost::safe_numerics::native
>;
#include "test_less_than.hpp"
#include <boost/mp11/algorithm.hpp>
#include <boost/core/demangle.hpp>
#include "test_compare_native.hpp"
using namespace boost::mp11;
template<typename L>
struct test {
static_assert(mp_is_list<L>(), "must be a list of integral constants");
bool m_error;
test(bool b = true) : m_error(b) {}
operator bool(){
return m_error;
}
template<typename T>
void operator()(const T &){
static_assert(mp_is_list<T>(), "must be a list of two integral constants");
constexpr size_t i1 = mp_first<T>(); // index of first argument
constexpr size_t i2 = mp_second<T>();// index of second argument
std::cout << i1 << ',' << i2 << ',';
using T1 = typename mp_at_c<L, i1>::value_type;
using T2 = typename mp_at_c<L, i2>::value_type;
m_error &= test_less_than<T1, T2>(
mp_at_c<L, i1>(), // value of first argument
mp_at_c<L, i2>(), // value of second argument
boost::core::demangle(typeid(T1).name()).c_str(),
boost::core::demangle(typeid(T2).name()).c_str(),
test_compare_native_result[i1][i2]
);
}
};
int main(){
test<test_values> rval(true);
using value_indices = mp_iota_c<mp_size<test_values>::value>;
mp_for_each<
mp_product<mp_list, value_indices, value_indices>
>(rval);
std::cout << (rval ? "success!" : "failure") << std::endl;
return ! rval ;
}