Files
safe_numerics/test/test_subtract_native.cpp
Robert Ramey bce3a5536e intermediate version
passes all tests
adds documentation of library internals
implements trap_exception for compile time guarantee for program correctness
still needs update to support the above for operations in addition to + and -
2015-12-15 10:21:08 -08:00

88 lines
2.8 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 <exception>
#include <cassert>
#include "../include/safe_integer.hpp"
template <class T>
using safe_t = boost::numeric::safe<T>;
#include "test_subtract.hpp"
#include "test.hpp"
#include "test_values.hpp"
const char *test_subtraction_result[VALUE_ARRAY_SIZE] = {
// 0 0 0 0
// 01234567012345670123456701234567
// 01234567890123456789012345678901
/* 0*/ "..........x...x..........xxx.xxx",
/* 1*/ "..........x...x..........xxx.xxx",
/* 2*/ ".........x...x..........xxxxxxxx",
/* 3*/ "........................xxxxxxxx",
/* 4*/ "..........x...x..........xxx.xxx",
/* 5*/ "..........x...x..........xxx.xxx",
/* 6*/ ".........x...x..........xxxxxxxx",
/* 7*/ "........................xxxxxxxx",
/* 8*/ "..........x...x..........xxx.xxx",
/* 9*/ "..xx..xx..xx..x...........xx.xxx",
/*10*/ "xx..xx..xx...x..xxxxxxxxxxxxxxxx",
/*11*/ "........................xxxxxxxx",
/*12*/ "..............x..............xxx",
/*13*/ "..xx..xx..xx..xx..............xx",
/*14*/ "xx..xx..xx..xx..xxxxxxxxxxxxxxxx",
/*15*/ "............................xxxx",
// 0 0 0 0
// 01234567012345670123456701234567
// 01234567890123456789012345678901
/*16*/ "..........x...x..........xxx.xxx",
/*17*/ "..........x...x..........xxx.xxx",
/*18*/ "..........x...x..........xxx.xxx",
/*19*/ "..........x...x..........xxx.xxx",
/*20*/ "..........x...x..........xxx.xxx",
/*21*/ "..........x...x..........xxx.xxx",
/*22*/ "..........x...x..........xxx.xxx",
/*23*/ "..........x...x..........xxx.xxx",
/*24*/ ".xxx.xxx.xxx..x..xxx.xxx.xxx.xxx",
/*25*/ "..xx..xx..xx..x...........xx.xxx",
/*26*/ "..xx..xx..xx..x............x.xxx",
/*27*/ "..xx..xx..xx..x..............xxx",
/*28*/ ".xxx.xxx.xxx.xxx.xxx.xxx.xxx.xxx",
/*29*/ "..xx..xx..xx..xx..............xx",
/*30*/ "..xx..xx..xx..xx...............x",
/*31*/ "..xx..xx..xx..xx................"
};
#define TEST_IMPL(v1, v2, result) \
rval &= test_subtract( \
v1, \
v2, \
BOOST_PP_STRINGIZE(v1), \
BOOST_PP_STRINGIZE(v2), \
result \
);
/**/
#define TESTX(value_index1, value_index2) \
(std::cout << value_index1 << ',' << value_index2 << ','); \
TEST_IMPL( \
BOOST_PP_ARRAY_ELEM(value_index1, VALUES), \
BOOST_PP_ARRAY_ELEM(value_index2, VALUES), \
test_subtraction_result[value_index1][value_index2] \
)
/**/
int main(int argc, char * argv[]){
bool rval = true;
TEST_EACH_VALUE_PAIR
std::cout << (rval ? "success!" : "failure") << std::endl;
return ! rval ;
}