safe_numerics/test/test_trap.cpp

45 lines
1.2 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)
// testing trap
// this is a compile only test - but since many build systems
// can't handle a compile-only test - make sure it passes trivially.
#include <boost/safe_numerics/exception_policies.hpp>
#include <boost/safe_numerics/safe_integer.hpp>
using namespace boost::safe_numerics;
template <typename T> // T is char, int, etc data type
using safe_t = safe<
T,
native,
loose_trap_policy // use for compiling and running tests
>;
template<typename T, typename U>
void test(){
safe_t<T> t;
safe_t<U> u;
t + u;
t - u;
t * u;
t / u; // could fail regardless of data type
t % u; // could fail regardless of data type
t << u;
t >> u;
t | u;
t & u;
t ^ u;
}
int main(int, char *[]){
test<std::int8_t, std::int8_t>(); // should compile
test<std::int16_t, std::int16_t>(); // should compile
test<std::int32_t, std::int32_t>(); // should fail to compile
test<std::int64_t, std::int64_t>(); // should fail to compile
return 0;
}