1 files changed, 102 insertions, 0 deletions
diff --git a/src/boost/libs/safe_numerics/test/test_assignment.hpp b/src/boost/libs/safe_numerics/test/test_assignment.hpp
new file mode 100644
index 00000000..678e2cb8
--- /dev/null
+++ b/src/boost/libs/safe_numerics/test/test_assignment.hpp
@@ -0,0 +1,102 @@
+#ifndef BOOST_TEST_ASSIGNMENT_HPP
+#define BOOST_TEST_ASSIGNMENT_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 <boost/core/demangle.hpp>
+#include <boost/safe_numerics/safe_integer.hpp>
+#include <boost/safe_numerics/range_value.hpp>
+
+template<class T1, class T2>
+bool test_assignment(
+    T1 t1,
+    T2 t2,
+    const char *at1,
+    const char *at2,
+    char expected_result
+){
+    std::cout << "testing " << std::endl;
+    {
+        std::cout << "safe<" << at1 << "> = " << at2 << std::endl;
+        // std::cout << boost::core::demangle(typeid(t1).name()) << " = " << at2 << std::endl;
+        safe_t<T2> s2(t2);
+
+        static_assert(
+            boost::safe_numerics::is_safe<safe_t<T1> >::value,
+            "safe_t not safe!"
+        );
+        try{
+            t1 = s2;
+            if(expected_result == 'x'){
+                    std::cout
+                        << "failed to detect error in assignment "
+                        << boost::core::demangle(typeid(t1).name())
+                        << " = "
+                        << at2
+                        << std::endl;
+                t1 = s2;
+                return false;
+            }
+        }
+        catch(const std::exception &){
+            if(expected_result == '.'){
+                    std::cout
+                        << "erroneously detected error in assignment "
+                        << boost::core::demangle(typeid(t1).name())
+                        << " = "
+                        << at2
+                        << std::endl;
+                try{
+                    t1 = s2;
+                }
+                catch(const std::exception &){}
+                return false;
+            }
+        }
+    }
+    {
+        safe_t<T1> s1(t1);
+        safe_t<T2> s2(t2);
+        std::cout
+            << "safe<" << boost::core::demangle(typeid(t1).name()) << ">"
+            << " = "
+            << "safe<" << at2 << '>' << std::endl;
+        try{
+            s1 = s2;
+            if(expected_result == 'x'){
+                std::cout
+                    << "failed to detect error in assignment "
+                    << "safe<" << boost::core::demangle(typeid(t1).name()) << ">"
+                    << " = "
+                    << at2
+                    << std::endl;
+                s1 = s2;
+                return false;
+            }
+        }
+        catch(const std::exception &){
+            if(expected_result == '.'){
+                std::cout
+                    << "erroneously detected error in assignment "
+                    << "safe<" << boost::core::demangle(typeid(t1).name()) << ">"
+                    << " = "
+                    << at2
+                    << std::endl;
+                try{
+                    s1 = t2;
+                }
+                catch(const std::exception &){}
+                return false;
+            }
+        }
+    }
+    return true; // correct result
+}
+
+#endif // BOOST_TEST_ASSIGNMENT_HPP