| // (c) Copyright Fernando Luis Cacciola Carballal 2000-2004 |
| // Use, modification, and distribution is subject to 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) |
| |
| // See library home page at http://www.boost.org/libs/numeric/conversion |
| // |
| // Contact the author at: fernando_cacciola@hotmail.com |
| // |
| #include<typeinfo> |
| #include<iostream> |
| #include<iomanip> |
| |
| #include "boost/numeric/conversion/bounds.hpp" |
| |
| #ifdef __BORLANDC__ |
| #pragma hdrstop |
| #endif |
| |
| #include "test_helpers.cpp" |
| |
| using namespace std ; |
| using namespace boost ; |
| using namespace numeric ; |
| |
| // Test the fields of boost::numeric::bounds<> against the expected values. |
| // |
| template<class T> |
| void test_bounds( T expected_lowest, T expected_highest, T expected_smallest ) |
| { |
| T lowest = bounds<T>::lowest () ; |
| T highest = bounds<T>::highest () ; |
| T smallest = bounds<T>::smallest() ; |
| |
| BOOST_CHECK_MESSAGE ( lowest == expected_lowest, |
| "bounds<" << typeid(T).name() << ">::lowest() = " << printable(lowest) << ". Expected " << printable(expected_lowest) |
| ) ; |
| |
| BOOST_CHECK_MESSAGE ( highest == expected_highest, |
| "bounds<" << typeid(T).name() << ">::highest() = " << printable(highest) << ". Expected " << printable(expected_highest) |
| ) ; |
| |
| BOOST_CHECK_MESSAGE ( smallest == expected_smallest, |
| "bounds<" << typeid(T).name() << ">::smallest() = " << printable(smallest) << ". Expected " << printable(expected_smallest) |
| ) ; |
| } |
| |
| |
| template<class T> |
| void test_bounds_integer( MATCH_FNTPL_ARG(T) ) |
| { |
| test_bounds( numeric_limits<T>::min BOOST_PREVENT_MACRO_SUBSTITUTION() |
| , numeric_limits<T>::max BOOST_PREVENT_MACRO_SUBSTITUTION() |
| , static_cast<T>(1) |
| ) ; |
| } |
| template<class T> |
| void test_bounds_float( MATCH_FNTPL_ARG(T)) |
| { |
| test_bounds( -numeric_limits<T>::max BOOST_PREVENT_MACRO_SUBSTITUTION () |
| , numeric_limits<T>::max BOOST_PREVENT_MACRO_SUBSTITUTION () |
| , numeric_limits<T>::min BOOST_PREVENT_MACRO_SUBSTITUTION () |
| ) ; |
| } |
| |
| void test_bounds_integers() |
| { |
| test_bounds_integer( SET_FNTPL_ARG(unsigned char) ) ; |
| test_bounds_integer( SET_FNTPL_ARG(signed char) ) ; |
| test_bounds_integer( SET_FNTPL_ARG(char) ) ; |
| test_bounds_integer( SET_FNTPL_ARG(unsigned short) ) ; |
| test_bounds_integer( SET_FNTPL_ARG(short) ) ; |
| test_bounds_integer( SET_FNTPL_ARG(unsigned int) ) ; |
| test_bounds_integer( SET_FNTPL_ARG(int) ) ; |
| test_bounds_integer( SET_FNTPL_ARG(unsigned long) ) ; |
| test_bounds_integer( SET_FNTPL_ARG(long) ) ; |
| } |
| |
| void test_bounds_floats() |
| { |
| test_bounds_float( SET_FNTPL_ARG(float) ); |
| test_bounds_float( SET_FNTPL_ARG(double) ); |
| test_bounds_float( SET_FNTPL_ARG(long double) ); |
| } |
| |
| void test_bounds() |
| { |
| test_bounds_integers() ; |
| test_bounds_floats () ; |
| } |
| |
| |
| int test_main( int, char * [] ) |
| { |
| cout << setprecision( std::numeric_limits<long double>::digits10 ) ; |
| |
| test_bounds(); |
| |
| return 0; |
| } |
| |