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/* Boost.MultiIndex test for replace(), modify() and modify_key().
*
* Copyright 2003-2018 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/multi_index for library home page.
*/
#include "test_update.hpp"
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
#include <algorithm>
#include <cstddef>
#include "pre_multi_index.hpp"
#include "employee.hpp"
#include "pair_of_ints.hpp"
#include <boost/detail/lightweight_test.hpp>
#include <boost/next_prior.hpp>
struct do_nothing
{
template<typename T>
void operator()(const T&)const{}
};
struct null_hash
{
template<typename T>
std::size_t operator()(const T&)const{return 0;}
};
struct assign_value
{
assign_value(int n):n_(n){}
void operator()(int& x)const{x=n_;}
int n_;
};
template<class MultiIndexContainer>
void test_stable_update()
{
typedef typename MultiIndexContainer::iterator iterator;
typedef typename MultiIndexContainer::size_type size_type;
typedef typename MultiIndexContainer::difference_type difference_type;
MultiIndexContainer c;
c.insert(0);
c.insert(1);c.insert(1);
c.insert(2);c.insert(2);c.insert(2);c.insert(2);
c.insert(3);
c.insert(4);c.insert(4);c.insert(4);
c.insert(5);c.insert(5);
c.insert(6);
c.insert(7);
size_type num_elems=
c.count(0)+c.count(1)+c.count(2)+c.count(3)+
c.count(4)+c.count(5)+c.count(6)+c.count(7);
for(size_type n=c.size();n--;){
iterator it=boost::next(c.begin(),(difference_type)n);
c.replace(it,*it);
BOOST_TEST((size_type)std::distance(c.begin(),it)==n);
c.modify(it,do_nothing());
BOOST_TEST((size_type)std::distance(c.begin(),it)==n);
c.modify(it,do_nothing(),do_nothing());
BOOST_TEST((size_type)std::distance(c.begin(),it)==n);
for(int i=0;i<=8;++i){
MultiIndexContainer cpy(c);
bool b=c.modify(it,assign_value(i),assign_value(*it));
BOOST_TEST(b||(size_type)std::distance(c.begin(),it)==n);
BOOST_TEST(c.count(0)+c.count(1)+c.count(2)+c.count(3)+c.count(4)+
c.count(5)+c.count(6)+c.count(7)+c.count(8)==num_elems);
if(b){
c=cpy;
it=boost::next(c.begin(),(difference_type)n);
}
}
}
}
using namespace boost::multi_index;
void test_update()
{
employee_set es;
employee_set_as_inserted& i=get<as_inserted>(es);
employee_set_randomly& r=get<randomly>(es);
es.insert(employee(0,"Joe",31,1123));
es.insert(employee(1,"Robert",27,5601));
es.insert(employee(2,"John",40,7889));
es.insert(employee(3,"Olbert",20,9012));
es.insert(employee(4,"John",57,1002));
employee_set::iterator it=es.find(employee(0,"Joe",31,1123));
employee_set_as_inserted::iterator it1=
project<as_inserted>(es,get<name>(es).find("Olbert"));
employee_set_randomly::iterator it2=
project<randomly>(es,get<age>(es).find(57));
BOOST_TEST(es.replace(it,*it));
BOOST_TEST(i.replace(it1,*it1));
BOOST_TEST(r.replace(it2,*it2));
BOOST_TEST(!es.replace(it,employee(3,"Joe",31,1123))&&it->id==0);
BOOST_TEST(es.replace(it,employee(0,"Joe",32,1123))&&it->age==32);
BOOST_TEST(i.replace(it1,employee(3,"Albert",20,9012))&&it1->name==
"Albert");
BOOST_TEST(!r.replace(it2,employee(4,"John",57,5601)));
{
typedef multi_index_container<
pair_of_ints,
indexed_by<
ordered_unique<BOOST_MULTI_INDEX_MEMBER(pair_of_ints,int,first)>,
hashed_unique<BOOST_MULTI_INDEX_MEMBER(pair_of_ints,int,second)>,
sequenced<> > >
int_int_set;
int_int_set iis;
nth_index<int_int_set,1>::type& ii1=get<1>(iis);
nth_index<int_int_set,2>::type& ii2=get<2>(iis);
iis.insert(pair_of_ints(0,0));
iis.insert(pair_of_ints(5,5));
iis.insert(pair_of_ints(10,10));
BOOST_TEST(!iis.replace(iis.begin(),pair_of_ints(5,0)));
BOOST_TEST(!ii2.replace(ii2.begin(),pair_of_ints(0,5)));
BOOST_TEST(!ii1.replace(project<1>(iis,iis.begin()),pair_of_ints(5,11)));
BOOST_TEST(!iis.replace(iis.begin(),pair_of_ints(11,5)));
BOOST_TEST(!iis.replace(boost::next(iis.begin()),pair_of_ints(10,5)));
BOOST_TEST(!ii1.replace(
project<1>(iis,boost::next(iis.begin())),pair_of_ints(5,10)));
BOOST_TEST(!iis.replace(boost::prior(iis.end()),pair_of_ints(5,10)));
BOOST_TEST(!ii2.replace(boost::prior(ii2.end()),pair_of_ints(10,5)));
BOOST_TEST(iis.modify(iis.begin(),increment_first));
BOOST_TEST(ii2.modify(ii2.begin(),increment_first));
BOOST_TEST(ii1.modify(project<1>(iis,iis.begin()),increment_first));
BOOST_TEST(ii2.modify(ii2.begin(),increment_first,decrement_first));
BOOST_TEST(!iis.modify(iis.begin(),increment_first,decrement_first));
BOOST_TEST(iis.size()==3);
BOOST_TEST(!iis.modify(iis.begin(),increment_first));
BOOST_TEST(iis.size()==2);
iis.insert(pair_of_ints(0,0));
BOOST_TEST(ii2.modify(boost::prior(ii2.end()),increment_second));
BOOST_TEST(iis.modify(iis.begin(),increment_second));
BOOST_TEST(ii2.modify(boost::prior(ii2.end()),increment_second));
BOOST_TEST(iis.modify(iis.begin(),increment_second,decrement_second));
BOOST_TEST(!ii2.modify(
boost::prior(ii2.end()),increment_second,decrement_second));
BOOST_TEST(ii2.size()==3);
BOOST_TEST(!ii2.modify(boost::prior(ii2.end()),increment_second));
BOOST_TEST(ii2.size()==2);
iis.insert(pair_of_ints(0,0));
BOOST_TEST(iis.modify_key(iis.begin(),increment_int));
BOOST_TEST(iis.modify_key(iis.begin(),increment_int,decrement_int));
BOOST_TEST(iis.modify_key(iis.begin(),increment_int));
BOOST_TEST(iis.modify_key(iis.begin(),increment_int));
BOOST_TEST(!iis.modify_key(iis.begin(),increment_int,decrement_int));
BOOST_TEST(iis.size()==3);
BOOST_TEST(!iis.modify_key(iis.begin(),increment_int));
BOOST_TEST(iis.size()==2);
nth_index_iterator<int_int_set,1>::type it_=ii1.find(5);
BOOST_TEST(ii1.modify_key(it_,increment_int));
BOOST_TEST(ii1.modify_key(it_,increment_int));
BOOST_TEST(ii1.modify_key(it_,increment_int,decrement_int));
BOOST_TEST(ii1.modify_key(it_,increment_int));
BOOST_TEST(!ii1.modify_key(it_,increment_int,decrement_int));
BOOST_TEST(ii1.size()==2);
BOOST_TEST(!ii1.modify_key(it_,increment_int));
BOOST_TEST(ii1.size()==1);
}
{
typedef multi_index_container<
pair_of_ints,
indexed_by<
hashed_unique<BOOST_MULTI_INDEX_MEMBER(pair_of_ints,int,first)>,
random_access<>,
ordered_unique<BOOST_MULTI_INDEX_MEMBER(pair_of_ints,int,second)> > >
int_int_set;
int_int_set iis;
nth_index<int_int_set,1>::type& ii1=get<1>(iis);
int_int_set::iterator p1=iis.insert(pair_of_ints(0,0)).first;
int_int_set::iterator p2=iis.insert(pair_of_ints(5,5)).first;
int_int_set::iterator p3=iis.insert(pair_of_ints(10,10)).first;
BOOST_TEST(!iis.replace(p1,pair_of_ints(5,0)));
BOOST_TEST(!ii1.replace(ii1.begin(),pair_of_ints(0,5)));
BOOST_TEST(!iis.replace(p1,pair_of_ints(5,11)));
BOOST_TEST(!iis.replace(p1,pair_of_ints(11,5)));
BOOST_TEST(!iis.replace(p2,pair_of_ints(10,5)));
BOOST_TEST(!iis.replace(p2,pair_of_ints(5,10)));
BOOST_TEST(!iis.replace(p3,pair_of_ints(5,10)));
BOOST_TEST(!ii1.replace(boost::prior(ii1.end()),pair_of_ints(10,5)));
BOOST_TEST(iis.modify(p1,increment_first));
BOOST_TEST(ii1.modify(ii1.begin(),increment_first));
BOOST_TEST(iis.modify(p1,increment_first));
BOOST_TEST(ii1.modify(ii1.begin(),increment_first,decrement_first));
BOOST_TEST(!iis.modify(p1,increment_first,decrement_first));
BOOST_TEST(iis.size()==3);
BOOST_TEST(!iis.modify(p1,increment_first));
BOOST_TEST(iis.size()==2);
p1=iis.insert(pair_of_ints(0,0)).first;
BOOST_TEST(ii1.modify(boost::prior(ii1.end()),increment_second));
BOOST_TEST(iis.modify(p1,increment_second,decrement_second));
BOOST_TEST(ii1.modify(boost::prior(ii1.end()),increment_second));
BOOST_TEST(iis.modify(p1,increment_second));
BOOST_TEST(!ii1.modify(
boost::prior(ii1.end()),increment_second,decrement_second));
BOOST_TEST(ii1.size()==3);
BOOST_TEST(!ii1.modify(boost::prior(ii1.end()),increment_second));
BOOST_TEST(ii1.size()==2);
}
{
typedef multi_index_container<
int,
indexed_by<
ordered_non_unique<identity<int> >
>
> int_multiset;
test_stable_update<int_multiset>();
typedef multi_index_container<
int,
indexed_by<
hashed_unique<identity<int> >
>
> int_hashed_set;
test_stable_update<int_hashed_set>();
typedef multi_index_container<
int,
indexed_by<
hashed_unique<identity<int> >
>
> int_hashed_multiset;
test_stable_update<int_hashed_multiset>();
typedef multi_index_container<
int,
indexed_by<
hashed_unique<identity<int>,null_hash>
>
> degenerate_int_hashed_set;
test_stable_update<degenerate_int_hashed_set>();
typedef multi_index_container<
int,
indexed_by<
hashed_non_unique<identity<int>,null_hash>
>
> degenerate_int_hashed_multiset;
test_stable_update<degenerate_int_hashed_multiset>();
}
}
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