123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101 |
- // (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;
- }
|