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-rw-r--r--src/boost/libs/safe_numerics/test/test_xor.hpp176
1 files changed, 176 insertions, 0 deletions
diff --git a/src/boost/libs/safe_numerics/test/test_xor.hpp b/src/boost/libs/safe_numerics/test/test_xor.hpp
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+++ b/src/boost/libs/safe_numerics/test/test_xor.hpp
@@ -0,0 +1,176 @@
+#ifndef BOOST_TEST_XOR_HPP
+#define BOOST_TEST_XOR_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 <iostream>
+#include <iosfwd>
+
+#include <boost/safe_numerics/safe_integer.hpp>
+#include <boost/safe_numerics/range_value.hpp>
+
+template<class T1, class T2>
+bool test_xor(
+ T1 v1,
+ T2 v2,
+ const char *av1,
+ const char *av2,
+ char expected_result
+){
+ std::cout << "testing"<< std::endl;
+ {
+ safe_t<T1> t1 = v1;
+ using result_type = decltype(t1 ^ v2);
+ std::cout << "safe<" << av1 << "> ^ " << av2 << " -> ";
+ static_assert(
+ boost::safe_numerics::is_safe<safe_t<T1> >::value,
+ "safe_t not safe!"
+ );
+ static_assert(
+ boost::safe_numerics::is_safe<result_type>::value,
+ "Expression failed to return safe type"
+ );
+
+ try{
+ // use auto to avoid checking assignment.
+ auto result = t1 ^ v2;
+ std::cout << make_result_display(result);
+ if(expected_result == 'x'){
+ std::cout
+ << " ! = "<< av1 << " ^ " << av2
+ << " failed to detect error in xor operation"
+ << std::endl;
+ t1 ^ v2;
+ return false;
+ }
+ else
+ if(result != (v1 ^ v2)){
+ std::cout
+ << " ! = "<< av1 << " ^ " << av2
+ << " incorrect result in xor operation"
+ << std::endl;
+ t1 ^ v2;
+ boost::safe_numerics::safe_compare::equal(base_value(result), (v1 ^ v2));
+ return false;
+ }
+ std::cout << std::endl;
+ }
+ catch(const std::exception &){
+ if(expected_result == '.'){
+ std::cout
+ << " == "<< av1 << " ^ " << av2
+ << " erroneously detected error in xor operation"
+ << std::endl;
+ try{
+ t1 ^ v2;
+ }
+ catch(const std::exception &){}
+ return false;
+ }
+ }
+ }
+ {
+ safe_t<T2> t2 = v2;
+ using result_type = decltype(v1 ^ t2);
+ std::cout << av1 << " ^ " << "safe<" << av2 << "> -> ";
+ static_assert(
+ boost::safe_numerics::is_safe<safe_t<T2> >::value,
+ "safe_t not safe!"
+ );
+ static_assert(
+ boost::safe_numerics::is_safe<result_type>::value,
+ "Expression failed to return safe type"
+ );
+
+ try{
+ // use auto to avoid checking assignment.
+ auto result = v1 ^ t2;
+ std::cout << make_result_display(result);
+ if(expected_result == 'x'){
+ std::cout
+ << " ! = "<< av1 << " ^ " << av2
+ << " failed to detect error in and operation"
+ << std::endl;
+ v1 ^ t2;
+ return false;
+ }
+ else
+ if(result != (v1 ^ v2)){
+ std::cout
+ << " ! = "<< av1 << " ^ " << av2
+ << " incorrect result in xor operation"
+ << std::endl;
+ v1 ^ t2;
+ return false;
+ }
+ std::cout << std::endl;
+ }
+ catch(const std::exception &){
+ if(expected_result == '.'){
+ std::cout
+ << " == "<< av1 << " ^ " << av2
+ << " erroneously detected error in and operation"
+ << std::endl;
+ try{
+ v1 ^ t2;
+ }
+ catch(const std::exception &){}
+ return false;
+ }
+ }
+ }
+ {
+ safe_t<T1> t1 = v1;
+ safe_t<T2> t2 = v2;
+ using result_type = decltype(t1 ^ t2);
+ std::cout << "safe<" << av1 << "> ^ " << "safe<" << av2 << "> -> ";
+ static_assert(
+ boost::safe_numerics::is_safe<result_type>::value,
+ "Expression failed to return safe type"
+ );
+
+ try{
+ // use auto to avoid checking assignment.
+ auto result = t1 ^ t2;
+ std::cout << make_result_display(result);
+ if(expected_result == 'x'){
+ std::cout
+ << " ! = "<< av1 << " ^ " << av2
+ << " failed to detect error in and operation"
+ << std::endl;
+ t1 ^ t2;
+ return false;
+ }
+ else
+ if(result != (v1 ^ v2)){
+ std::cout
+ << " ! = "<< av1 << " ^ " << av2
+ << " incorrect result in xor operation"
+ << std::endl;
+ t1 ^ t2;
+ return false;
+ }
+ std::cout << std::endl;
+ }
+ catch(const std::exception &){
+ if(expected_result == '.'){
+ std::cout
+ << " == "<< av1 << " ^ " << av2
+ << " erroneously detected error in and operation"
+ << std::endl;
+ try{
+ t1 ^ t2;
+ }
+ catch(const std::exception &){}
+ return false;
+ }
+ }
+ }
+ return true; // correct result
+}
+
+#endif // BOOST_TEST_XOR_HPP