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

41 lines
1.0 KiB
C++

#ifndef BOOST_TEST_EQUAL_CONSTEXPR_HPP
#define BOOST_TEST_EQUAL_CONSTEXPR_HPP
// Copyright (c) 2015 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 <boost/config.hpp> // BOOST_CLANG
#include <boost/safe_numerics/safe_integer.hpp>
#if BOOST_CLANG == 1
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-comparison"
#endif
template<class T1, class T2>
constexpr bool test_equal_constexpr(
T1 v1,
T2 v2,
char expected_result
){
using namespace boost::safe_numerics;
// if we don't expect the operation to pass, we can't
// check the constexpr version of the calculation so
// just return success.
if(expected_result == 'x')
return true;
safe_t<T1>(v1) == v2;
v1 == safe_t<T2>(v2);
safe_t<T1>(v1) == safe_t<T2>(v2);
return true; // correct result
}
#if BOOST_CLANG == 1
#pragma GCC diagnostic pop
#endif
#endif // BOOST_TEST_EQUAL_CONSTEXPR_HPP