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// (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;
}
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