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/* Boost.Flyweight basic test template.
*
* Copyright 2006-2024 Joaquin M Lopez Munoz.
* 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)
*
* See http://www.boost.org/libs/flyweight for library home page.
*/
#ifndef BOOST_FLYWEIGHT_TEST_BASIC_TEMPLATE_HPP
#define BOOST_FLYWEIGHT_TEST_BASIC_TEMPLATE_HPP
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
#include <boost/core/lightweight_test.hpp>
#include <boost/flyweight/key_value.hpp>
#include <boost/mpl/apply.hpp>
#include <boost/utility/value_init.hpp>
#include <string>
#include <sstream>
#include "heavy_objects.hpp"
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
#include <utility>
#endif
#if !defined(BOOST_FLYWEIGHT_DISABLE_HASH_SUPPORT)
#include <boost/functional/hash.hpp>
#if !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
#include <functional>
#endif
#endif
#define LENGTHOF(array) (sizeof(array)/sizeof((array)[0]))
template<typename Flyweight,typename ForwardIterator>
void test_basic_template(
ForwardIterator first,ForwardIterator last
BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Flyweight))
{
typedef typename Flyweight::value_type value_type;
ForwardIterator it;
for(it=first;it!=last;++it){
/* construct/copy/destroy */
Flyweight f1(*it);
Flyweight f2;
Flyweight c1(f1);
const Flyweight c2(static_cast<const Flyweight&>(f2));
value_type v1(*it);
boost::value_initialized<value_type> v2;
BOOST_TEST(f1.get_key()==*it);
BOOST_TEST((f1==f2)==(f1.get()==v2.data()));
BOOST_TEST(f1==c1);
BOOST_TEST(f2==c2);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
Flyweight cr1(std::move(c1));
Flyweight cr2(std::move(c2));
BOOST_TEST(f1==cr1);
BOOST_TEST(f2==cr2);
#endif
#if !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
/* testcase for https://svn.boost.org/trac/boost/ticket/10439 */
Flyweight f3={};
BOOST_TEST(f3==f2);
#endif
f1=((void)0,f1); /* self assignment warning */
BOOST_TEST(f1==f1);
c1=f2;
BOOST_TEST(c1==f2);
c1=f1;
BOOST_TEST(c1==f1);
/* convertibility to underlying type */
BOOST_TEST(f1.get()==v1);
BOOST_TEST(*f1==v1);
/* identity of reference */
BOOST_TEST(&f1.get()==&c1.get());
BOOST_TEST(&(*f1)==&c1.get());
BOOST_TEST(f1.operator->()==&c1.get());
/* modifiers */
f1.swap(f1);
BOOST_TEST(f1==c1);
f1.swap(f2);
BOOST_TEST(f1==c2);
BOOST_TEST(f2==c1);
boost::flyweights::swap(f1,f2);
BOOST_TEST(f1==c1);
BOOST_TEST(f2==c2);
/* specialized algorithms */
std::ostringstream oss1;
oss1<<f1;
std::ostringstream oss2;
oss2<<f1.get();
BOOST_TEST(oss1.str()==oss2.str());
#if !defined(BOOST_FLYWEIGHT_DISABLE_HASH_SUPPORT)
/* hash support */
BOOST_TEST(boost::hash<Flyweight>()(f1)==boost::hash<Flyweight>()(c1));
BOOST_TEST(boost::hash<Flyweight>()(f1)==
boost::hash<const value_type*>()(&f1.get()));
#if !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
BOOST_TEST(std::hash<Flyweight>()(f1)==std::hash<Flyweight>()(c1));
BOOST_TEST(std::hash<Flyweight>()(f1)==
std::hash<const value_type*>()(&f1.get()));
#endif
#endif
}
}
template<typename Flyweight,typename ForwardIterator>
void test_basic_with_assign_template(
ForwardIterator first,ForwardIterator last
BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Flyweight))
{
typedef typename Flyweight::value_type value_type;
ForwardIterator it;
test_basic_template<Flyweight>(first,last);
for(it=first;it!=last;++it){
/* value construction */
value_type v(*it);
Flyweight f1(v);
Flyweight f2(f1.get());
BOOST_TEST(f1.get()==v);
BOOST_TEST(f2.get()==v);
BOOST_TEST(f1==f2);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
value_type v1(v);
const value_type v2(v);
Flyweight fr1(std::move(v1));
Flyweight fr2(std::move(v2));
BOOST_TEST(fr1==v);
BOOST_TEST(fr2==v);
#endif
/* value assignment */
Flyweight f3,f4;
f3=v;
f4=f1.get();
BOOST_TEST(f2.get()==v);
BOOST_TEST(f3.get()==v);
BOOST_TEST(f2==f3);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
Flyweight fr3;
fr3=value_type(*it);
BOOST_TEST(fr3.get()==value_type(*it));
#endif
/* specialized algorithms */
std::ostringstream oss1;
oss1<<f1;
std::istringstream iss1(oss1.str());
Flyweight f5;
iss1>>f5;
BOOST_TEST(f5==f1);
}
}
template<
typename Flyweight1,typename Flyweight2,
typename ForwardIterator1,typename ForwardIterator2
>
void test_basic_comparison_template(
ForwardIterator1 first1,ForwardIterator1 last1,
ForwardIterator2 first2
BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Flyweight1)
BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Flyweight2))
{
typedef typename Flyweight1::value_type value_type1;
typedef typename Flyweight2::value_type value_type2;
for(;first1!=last1;++first1,++first2){
value_type1 v1=value_type1(*first1);
value_type2 v2=value_type2(*first2);
Flyweight1 f1(v1);
Flyweight2 f2(v2);
BOOST_TEST((f1==f2)==(f1.get()==v2));
BOOST_TEST((f1< f2)==(f1.get()< v2));
BOOST_TEST((f1!=f2)==(f1.get()!=v2));
BOOST_TEST((f1> f2)==(f1.get()> v2));
BOOST_TEST((f1>=f2)==(f1.get()>=v2));
BOOST_TEST((f1<=f2)==(f1.get()<=v2));
#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
BOOST_TEST((f1==v2)==(f1.get()==v2));
BOOST_TEST((f1< v2)==(f1.get()< v2));
BOOST_TEST((f1!=v2)==(f1.get()!=v2));
BOOST_TEST((f1> v2)==(f1.get()> v2));
BOOST_TEST((f1>=v2)==(f1.get()>=v2));
BOOST_TEST((f1<=v2)==(f1.get()<=v2));
BOOST_TEST((v1==f2)==(f1.get()==v2));
BOOST_TEST((v1< f2)==(f1.get()< v2));
BOOST_TEST((v1!=f2)==(f1.get()!=v2));
BOOST_TEST((v1> f2)==(f1.get()> v2));
BOOST_TEST((v1>=f2)==(f1.get()>=v2));
BOOST_TEST((v1<=f2)==(f1.get()<=v2));
#endif
}
}
template<typename FlyweightSpecifier>
void test_basic_template(BOOST_EXPLICIT_TEMPLATE_TYPE(FlyweightSpecifier))
{
typedef typename boost::mpl::apply1<
FlyweightSpecifier,int
>::type int_flyweight;
typedef typename boost::mpl::apply1<
FlyweightSpecifier,std::string
>::type string_flyweight;
typedef typename boost::mpl::apply1<
FlyweightSpecifier,char
>::type char_flyweight;
typedef typename boost::mpl::apply1<
FlyweightSpecifier,
boost::flyweights::key_value<std::string,texture,from_texture_to_string>
>::type texture_flyweight;
typedef typename boost::mpl::apply1<
FlyweightSpecifier,
boost::flyweights::key_value<int,factorization>
>::type factorization_flyweight;
int ints[]={0,1,1,0,1,2,3,4,3,4,0,0};
test_basic_with_assign_template<int_flyweight>(
&ints[0],&ints[0]+LENGTHOF(ints));
const char* words[]={"hello","boost","flyweight","boost","bye","c++","c++"};
test_basic_with_assign_template<string_flyweight>(
&words[0],&words[0]+LENGTHOF(words));
const char* textures[]={"wood","grass","sand","granite","terracotta"};
test_basic_with_assign_template<texture_flyweight>(
&textures[0],&textures[0]+LENGTHOF(textures));
int factorizations[]={1098,102387,90846,2223978};
test_basic_template<factorization_flyweight>(
&factorizations[0],&factorizations[0]+LENGTHOF(factorizations));
char chars[]={0,2,4,5,1,1,1,3,4,1,1,0};
test_basic_comparison_template<int_flyweight,char_flyweight>(
&ints[0],&ints[0]+LENGTHOF(ints),&chars[0]);
test_basic_comparison_template<string_flyweight,string_flyweight>(
&words[0],&words[0]+LENGTHOF(words)-1,&words[1]);
test_basic_comparison_template<texture_flyweight,texture_flyweight>(
&textures[0],&textures[0]+LENGTHOF(textures)-1,&textures[1]);
#if !defined(BOOST_NO_EXCEPTIONS)
typedef typename boost::mpl::apply1<
FlyweightSpecifier,
boost::flyweights::key_value<int,throwing_value,from_throwing_value_to_int>
>::type throwing_flyweight;
try{
throwing_flyweight fw(0);
}catch(const throwing_value_exception&){}
try{
throwing_flyweight fw=throwing_flyweight(throwing_value());
(void)fw;
}catch(const throwing_value_exception&){}
throwing_flyweight fw=throwing_flyweight(
throwing_value(false /* doesn't throw */));
(void)fw.get();
#endif
}
#undef LENGTHOF
#endif
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