103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
#ifndef BOOST_TEST_ASSIGNMENT_HPP
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#define BOOST_TEST_ASSIGNMENT_HPP
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// Copyright (c) 2015 Robert Ramey
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <iostream>
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#include <boost/core/demangle.hpp>
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#include <boost/safe_numerics/safe_integer.hpp>
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#include <boost/safe_numerics/range_value.hpp>
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template<class T1, class T2>
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bool test_assignment(
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T1 t1,
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T2 t2,
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const char *at1,
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const char *at2,
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char expected_result
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){
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std::cout << "testing " << std::endl;
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{
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std::cout << "safe<" << at1 << "> = " << at2 << std::endl;
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// std::cout << boost::core::demangle(typeid(t1).name()) << " = " << at2 << std::endl;
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safe_t<T2> s2(t2);
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static_assert(
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boost::safe_numerics::is_safe<safe_t<T1> >::value,
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"safe_t not safe!"
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);
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try{
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t1 = s2;
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if(expected_result == 'x'){
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std::cout
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<< "failed to detect error in assignment "
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<< boost::core::demangle(typeid(t1).name())
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<< " = "
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<< at2
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<< std::endl;
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t1 = s2;
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return false;
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}
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}
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catch(const std::exception &){
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if(expected_result == '.'){
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std::cout
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<< "erroneously detected error in assignment "
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<< boost::core::demangle(typeid(t1).name())
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<< " = "
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<< at2
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<< std::endl;
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try{
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t1 = s2;
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}
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catch(const std::exception &){}
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return false;
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}
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}
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}
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{
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safe_t<T1> s1(t1);
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safe_t<T2> s2(t2);
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std::cout
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<< "safe<" << boost::core::demangle(typeid(t1).name()) << ">"
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<< " = "
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<< "safe<" << at2 << '>' << std::endl;
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try{
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s1 = s2;
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if(expected_result == 'x'){
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std::cout
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<< "failed to detect error in assignment "
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<< "safe<" << boost::core::demangle(typeid(t1).name()) << ">"
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<< " = "
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<< at2
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<< std::endl;
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s1 = s2;
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return false;
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}
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}
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catch(const std::exception &){
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if(expected_result == '.'){
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std::cout
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<< "erroneously detected error in assignment "
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<< "safe<" << boost::core::demangle(typeid(t1).name()) << ">"
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<< " = "
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<< at2
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<< std::endl;
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try{
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s1 = t2;
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}
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catch(const std::exception &){}
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return false;
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}
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}
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}
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return true; // correct result
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}
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#endif // BOOST_TEST_ASSIGNMENT_HPP
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