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WSJT-X/boost/libs/numeric/conversion/test/traits_test.cpp

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// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
//
// 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<iomanip>
#include<string>
#include<typeinfo>
#include<vector>
#include<algorithm>
#include <boost/cstdint.hpp>
#include <boost/utility.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/numeric/conversion/conversion_traits.hpp>
#include <boost/numeric/conversion/int_float_mixture.hpp>
#include <boost/numeric/conversion/sign_mixture.hpp>
#include <boost/numeric/conversion/udt_builtin_mixture.hpp>
#include <boost/numeric/conversion/is_subranged.hpp>
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "test_helpers.cpp"
#include "test_helpers2.cpp"
using namespace std ;
using namespace boost ;
using namespace numeric;
using namespace MyUDT ;
// These helpers are used by generate_expected_traits<T,S>.
// Unlike the similar helpers in the implementation, they are specialized by extension.
//
template<class T, class S> struct my_is_subranged ;
template<class T, class S> struct my_is_trivial ;
template<class T, class S> struct my_int_float_mixture ;
template<class T, class S> struct my_sign_mixture ;
template<class T, class S> struct my_udt_builtin_mixture ;
// This macro is used to define the properties of each conversion between
// the builtin arithmetric types
//
// It defines the specialization of the helper traits used by 'generate_expected_traits'
//
#define DEFINE_CONVERSION(Target,Source,Trivial,Mixture,SignMixture,UdtMixture,SubRanged) \
\
template<> struct my_is_subranged<Target,Source> \
{ typedef mpl::bool_< (SubRanged) > type ; } ; \
\
template<> struct my_is_trivial<Target,Source> \
{ typedef mpl::bool_< (Trivial) > type ; } ; \
\
template<> struct my_int_float_mixture<Target,Source> \
{ typedef mpl::integral_c<boost::numeric::int_float_mixture_enum, (Mixture) > type ; } ; \
\
template<> struct my_sign_mixture<Target,Source> \
{ typedef mpl::integral_c<boost::numeric::sign_mixture_enum, (SignMixture) > type ; } ; \
\
template<> struct my_udt_builtin_mixture<Target,Source> \
{ typedef mpl::integral_c<boost::numeric::udt_builtin_mixture_enum, (UdtMixture) > type ; }
#define cSubRanged true
#define cTrivial true
// The following test assumes a specific relation between the sizes of the types being used;
// therefore, use specific fixed-width types instead built-in types directly.
// NOTE --> TARGET,SOURCE
//
DEFINE_CONVERSION(boost::uint8_t , boost::uint8_t, cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::int8_t , boost::uint8_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , boost::uint8_t, !cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::int16_t , boost::uint8_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , boost::uint8_t, !cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::int32_t , boost::uint8_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(float , boost::uint8_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(double , boost::uint8_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(long double , boost::uint8_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(MyInt , boost::uint8_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , boost::uint8_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , boost::int8_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int8_t , boost::int8_t, cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , boost::int8_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int16_t , boost::int8_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , boost::int8_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int32_t , boost::int8_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(float , boost::int8_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(double , boost::int8_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(long double , boost::int8_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(MyInt , boost::int8_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , boost::int8_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , boost::uint16_t, !cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int8_t , boost::uint16_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , boost::uint16_t, cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::int16_t , boost::uint16_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , boost::uint16_t, !cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::int32_t , boost::uint16_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(float , boost::uint16_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(double , boost::uint16_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(long double , boost::uint16_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(MyInt , boost::uint16_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , boost::uint16_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , boost::int16_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int8_t , boost::int16_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , boost::int16_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int16_t , boost::int16_t, cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , boost::int16_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int32_t , boost::int16_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(float , boost::int16_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(double , boost::int16_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(long double , boost::int16_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(MyInt , boost::int16_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , boost::int16_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , boost::uint32_t, !cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int8_t , boost::uint32_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , boost::uint32_t, !cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int16_t , boost::uint32_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , boost::uint32_t, cTrivial, integral_to_integral, unsigned_to_unsigned, builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(boost::int32_t , boost::uint32_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(float , boost::uint32_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(double , boost::uint32_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(long double , boost::uint32_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(MyInt , boost::uint32_t, !cTrivial, integral_to_integral, unsigned_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , boost::uint32_t, !cTrivial, integral_to_float , unsigned_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , boost::int32_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int8_t , boost::int32_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , boost::int32_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int16_t , boost::int32_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , boost::int32_t, !cTrivial, integral_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int32_t , boost::int32_t, cTrivial, integral_to_integral, signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(float , boost::int32_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(double , boost::int32_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(long double , boost::int32_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(MyInt , boost::int32_t, !cTrivial, integral_to_integral, signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , boost::int32_t, !cTrivial, integral_to_float , signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , float, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int8_t , float, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , float, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int16_t , float, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , float, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int32_t , float, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(float , float, cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(double , float, !cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, ( sizeof(float) > sizeof(double) ) );
DEFINE_CONVERSION(long double , float, !cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, ( sizeof(float) > sizeof(long double) ) );
DEFINE_CONVERSION(MyInt , float, !cTrivial, float_to_integral, signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , float, !cTrivial, float_to_float , signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , double, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int8_t , double, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , double, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int16_t , double, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , double, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int32_t , double, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(float , double, !cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, ( sizeof(double) > sizeof(float) ) );
DEFINE_CONVERSION(double , double, cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(long double , double, !cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, ( sizeof(double) > sizeof(long double) ) );
DEFINE_CONVERSION(MyInt , double, !cTrivial, float_to_integral, signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , double, !cTrivial, float_to_float , signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , long double, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int8_t , long double, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , long double, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int16_t , long double, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , long double, !cTrivial, float_to_integral, signed_to_unsigned, builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(boost::int32_t , long double, !cTrivial, float_to_integral, signed_to_signed , builtin_to_builtin, cSubRanged );
DEFINE_CONVERSION(float , long double, !cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, ( sizeof(long double) > sizeof(float) ) );
DEFINE_CONVERSION(double , long double, !cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, ( sizeof(long double) > sizeof(double) ) );
DEFINE_CONVERSION(long double , long double, cTrivial, float_to_float , signed_to_signed , builtin_to_builtin, !cSubRanged );
DEFINE_CONVERSION(MyInt , long double, !cTrivial, float_to_integral, signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(MyFloat , long double, !cTrivial, float_to_float , signed_to_signed , builtin_to_udt , !cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , MyInt, !cTrivial, integral_to_integral, signed_to_unsigned, udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::int8_t , MyInt, !cTrivial, integral_to_integral, signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , MyInt, !cTrivial, integral_to_integral, signed_to_unsigned, udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::int16_t , MyInt, !cTrivial, integral_to_integral, signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , MyInt, !cTrivial, integral_to_integral, signed_to_unsigned, udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::int32_t , MyInt, !cTrivial, integral_to_integral, signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(float , MyInt, !cTrivial, integral_to_float , signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(double , MyInt, !cTrivial, integral_to_float , signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(long double , MyInt, !cTrivial, integral_to_float , signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(MyInt , MyInt, cTrivial, integral_to_integral, signed_to_signed , udt_to_udt ,!cSubRanged );
DEFINE_CONVERSION(MyFloat , MyInt, !cTrivial, integral_to_float , signed_to_signed , udt_to_udt ,!cSubRanged );
DEFINE_CONVERSION(boost::uint8_t , MyFloat, !cTrivial, float_to_integral, signed_to_unsigned, udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::int8_t , MyFloat, !cTrivial, float_to_integral, signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::uint16_t , MyFloat, !cTrivial, float_to_integral, signed_to_unsigned, udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::int16_t , MyFloat, !cTrivial, float_to_integral, signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::uint32_t , MyFloat, !cTrivial, float_to_integral, signed_to_unsigned, udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(boost::int32_t , MyFloat, !cTrivial, float_to_integral, signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(float , MyFloat, !cTrivial, float_to_float , signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(double , MyFloat, !cTrivial, float_to_float , signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(long double , MyFloat, !cTrivial, float_to_float , signed_to_signed , udt_to_builtin , cSubRanged );
DEFINE_CONVERSION(MyInt , MyFloat, !cTrivial, float_to_integral, signed_to_signed , udt_to_udt ,!cSubRanged );
DEFINE_CONVERSION(MyFloat , MyFloat, cTrivial, float_to_float , signed_to_signed , udt_to_udt ,!cSubRanged );
//
// The test is performed by comparing each field of
// boost::numeric::conversion_traits<T,S>
// with the fields of
// expected_traits<T,S>
// which is a traits class constructed explicitely for each combination
// of the built-in arithmetic types.
//
template<class T,
class S,
class Supertype,
class Subtype,
class Subranged,
class Trivial
>
struct expected_traits
{
typedef typename my_int_float_mixture <T,S>::type int_float_mixture ;
typedef typename my_sign_mixture <T,S>::type sign_mixture ;
typedef typename my_udt_builtin_mixture <T,S>::type udt_builtin_mixture ;
typedef Subranged subranged ;
typedef Trivial trivial ;
typedef Supertype supertype ;
typedef Subtype subtype ;
} ;
// This is used by the test engine to generate a expected_traits from T and S.
//
template<class T, class S>
struct generate_expected_traits
{
typedef expected_traits<T, S, T, S, mpl::false_, mpl::true_ > trivial ;
typedef expected_traits<T, S, S, T, mpl::true_ , mpl::false_ > subranged ;
typedef expected_traits<T, S, T, S, mpl::false_, mpl::false_ > non_subranged ;
typedef typename my_is_subranged<T,S>::type IsSubranged ;
typedef typename my_is_trivial <T,S>::type IsTrivial ;
typedef typename mpl::if_<IsSubranged,subranged,non_subranged>::type non_trivial ;
typedef typename mpl::if_<IsTrivial,trivial,non_trivial>::type type ;
} ;
// This macro generates the code that compares a non-type field
// in boost::numeric::conversion_traits<> with its corresponding field
// in expected_traits<>
//
#define TEST_VALUE_FIELD(Name) \
typedef typename traits::Name BOOST_PP_CAT(t,Name) ; \
typedef typename expected::Name BOOST_PP_CAT(x,Name) ; \
BOOST_CHECK_MESSAGE ( ( BOOST_PP_CAT(t,Name)::value == BOOST_PP_CAT(x,Name)::value ) , \
"conversion_traits<" << typeid(T).name() << "," << typeid(S).name() \
<< ">::" << #Name << " = " << to_string(BOOST_PP_CAT(t,Name)::value) \
<< ". Expected: " << to_string(BOOST_PP_CAT(x,Name)::value) \
) ;
// This macro generates the code that compares a type field
// in numeric::conversion_traits<> with its corresponding field
// in expected_traits<>
//
#define TEST_TYPE_FIELD(Name) \
typedef typename traits::Name BOOST_PP_CAT(t,Name) ; \
typedef typename expected::Name BOOST_PP_CAT(x,Name) ; \
BOOST_CHECK_MESSAGE ( ( typeid(BOOST_PP_CAT(t,Name)) == typeid(BOOST_PP_CAT(x,Name)) ) , \
"conversion_traits<" << typeid(T).name() << "," << typeid(S).name() \
<< ">::" << #Name << " = " << typeid(BOOST_PP_CAT(t,Name)).name() \
<< ". Expected: " << typeid(BOOST_PP_CAT(x,Name)).name() \
) ;
//
// Test core.
// Compares each field of boost::numeric::conversion_traits<T,S>
// with the corresponding field of expected_traits<T,S>
//
template<class T, class S>
void test_traits_base( MATCH_FNTPL_ARG(T), MATCH_FNTPL_ARG(S) )
{
typedef boost::numeric::conversion_traits<T,S> traits ;
typedef typename generate_expected_traits<T,S>::type expected ;
TEST_VALUE_FIELD(int_float_mixture) ;
TEST_VALUE_FIELD(sign_mixture) ;
TEST_VALUE_FIELD(udt_builtin_mixture) ;
TEST_VALUE_FIELD(subranged) ;
TEST_VALUE_FIELD(trivial) ;
TEST_TYPE_FIELD (supertype) ;
TEST_TYPE_FIELD (subtype) ;
}
template<class S>
void test_traits_from( MATCH_FNTPL_ARG(S) )
{
test_traits_base( SET_FNTPL_ARG(boost::uint8_t) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(boost::int8_t) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(boost::uint16_t) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(boost::int16_t) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(boost::uint32_t) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(boost::int32_t) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(float) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(double) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(long double) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(MyInt) ,SET_FNTPL_ARG(S) );
test_traits_base( SET_FNTPL_ARG(MyFloat) ,SET_FNTPL_ARG(S) );
}
void test_traits()
{
test_traits_from( SET_FNTPL_ARG(boost::uint8_t) );
test_traits_from( SET_FNTPL_ARG(boost::int8_t) );
test_traits_from( SET_FNTPL_ARG(boost::uint16_t) );
test_traits_from( SET_FNTPL_ARG(boost::int16_t) );
test_traits_from( SET_FNTPL_ARG(boost::uint32_t) );
test_traits_from( SET_FNTPL_ARG(boost::int32_t) );
test_traits_from( SET_FNTPL_ARG(float) );
test_traits_from( SET_FNTPL_ARG(double) );
test_traits_from( SET_FNTPL_ARG(long double) );
test_traits_from( SET_FNTPL_ARG(MyInt) );
test_traits_from( SET_FNTPL_ARG(MyFloat) );
}
int test_main( int, char * [])
{
std::cout << std::setprecision( std::numeric_limits<long double>::digits10 ) ;
test_traits();
return 0;
}
//---------------------------------------------------------------------------
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