multi_index/test/test_modifiers.cpp
2018-12-31 10:59:06 +01:00

582 lines
14 KiB
C++

/* Boost.MultiIndex test for modifier memfuns.
*
* 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_modifiers.hpp"
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
#include <boost/detail/lightweight_test.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/iterator/iterator_facade.hpp>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/next_prior.hpp>
#include <boost/shared_ptr.hpp>
#include <iterator>
#include <vector>
#include "pre_multi_index.hpp"
#include "employee.hpp"
using namespace boost::multi_index;
struct non_copyable_int
{
explicit non_copyable_int(int n_):n(n_){}
non_copyable_int(BOOST_RV_REF(non_copyable_int) x):n(x.n){x.n=0;}
non_copyable_int& operator=(BOOST_RV_REF(non_copyable_int) x)
{
n=x.n;
x.n=0;
return *this;
}
int n;
private:
BOOST_MOVABLE_BUT_NOT_COPYABLE(non_copyable_int)
};
class always_one
{
public:
always_one():n(1){}
~always_one(){n=0;}
int get()const{return n;}
private:
int n;
};
inline bool operator==(const always_one& x,const always_one& y)
{
return x.get()==y.get();
}
#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
namespace boost{
#endif
inline std::size_t hash_value(const always_one& x)
{
return static_cast<std::size_t>(x.get());
}
#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
} /* namespace boost */
#endif
class linked_object
{
struct impl:boost::enable_shared_from_this<impl>
{
typedef boost::shared_ptr<const impl> ptr;
impl(int n_,ptr next_=ptr()):n(n_),next(next_){}
int n;
ptr next;
};
typedef multi_index_container<
impl,
indexed_by<
#if BOOST_WORKAROUND(__IBMCPP__,BOOST_TESTED_AT(1010))
ordered_unique<member<impl,int,&linked_object::impl::n> >,
hashed_non_unique<member<impl,int,&linked_object::impl::n> >,
#else
ordered_unique<member<impl,int,&impl::n> >,
hashed_non_unique<member<impl,int,&impl::n> >,
#endif
sequenced<>,
random_access<>
>
> impl_repository_t;
static impl_repository_t impl_repository;
public:
linked_object(int n):pimpl(init(impl(n))){}
linked_object(int n,const linked_object& x):pimpl(init(impl(n,x.pimpl))){}
private:
impl::ptr init(const impl& x)
{
std::pair<impl_repository_t::iterator,bool> p=impl_repository.insert(x);
if(p.second)return impl::ptr(&*p.first,&erase_impl);
else return p.first->shared_from_this();
}
static void erase_impl(const impl* p)
{
impl_repository.erase(p->n);
}
impl::ptr pimpl;
};
linked_object::impl_repository_t linked_object::impl_repository;
struct tempvalue_iterator:
boost::iterator_facade<
tempvalue_iterator,int,boost::forward_traversal_tag,int>
{
tempvalue_iterator(int n_):n(n_){}
void increment(){++n;}
bool equal(const tempvalue_iterator& x)const{return n==x.n;}
int dereference()const{return n;}
int n;
};
struct change_int
{
change_int(int n):n(n){}
void operator()(int& x)const{x=n;}
int n;
};
#if !(defined BOOST_NO_EXCEPTIONS)
struct change_int_and_throw
{
change_int_and_throw(int n):n(n){}
void operator()(int& x)const{x=n;throw 0;}
int n;
};
#endif
void test_modifiers()
{
employee_set es;
employee_set_by_name& i1=get<name>(es);
employee_set_by_age& i2=get<age>(es);
employee_set_as_inserted& i3=get<as_inserted>(es);
employee_set_by_ssn& i4=get<ssn>(es);
employee_set_randomly& i5=get<randomly>(es);
es.insert(employee(0,"Joe",31,1123));
BOOST_TEST(es.emplace(0,"Joe",31,1123).second==false);
BOOST_TEST(i1.insert(employee(0,"Joe Jr.",5,2563)).second==false);
BOOST_TEST(i2.emplace_hint(i2.end(),1,"Victor",5,1123)->name!="Victor");
BOOST_TEST(i3.insert(i3.begin(),employee(1,"Victor",5,1123)).second
==false);
BOOST_TEST(i3.push_front(employee(0,"Joe Jr.",5,2563)).second==false);
BOOST_TEST(i3.push_back(employee(0,"Joe Jr.",5,2563)).second==false);
BOOST_TEST(i5.emplace_front(1,"Victor",5,1123).second==false);
BOOST_TEST(i5.emplace_back(1,"Victor",5,1123).second==false);
employee_set_by_name::iterator it1=i1.find("Joe");
i1.insert(it1,employee(1,"Joe Jr.",5,2563));
BOOST_TEST(es.size()==2);
employee_set_by_age::iterator it2=i2.find(31);
i2.insert(it2,employee(2,"Grandda Joe",64,7881));
BOOST_TEST(es.size()==3);
employee_set_as_inserted::iterator it3=i3.begin();
i3.insert(it3,100,employee(3,"Judy",39,6201));
BOOST_TEST((--it3)->ssn==6201);
BOOST_TEST(es.size()==4);
employee_set_randomly::iterator it5=i5.begin();
i5.insert(it5,100,employee(4,"Jill",52,3379));
BOOST_TEST(i5.begin()->age==52);
BOOST_TEST(es.size()==5);
es.erase(employee(1,"Joe Jr.",5,2563));
BOOST_TEST(i3.size()==4&&i5.size()==4);
BOOST_TEST(i1.erase("Judy")==1);
BOOST_TEST(es.size()==3&&i2.size()==3);
BOOST_TEST(i2.erase(it2)->age==52);
BOOST_TEST(i3.size()==2&&i4.size()==2);
i3.pop_front();
BOOST_TEST(i1.size()==1&&i2.size()==1);
i5.erase(i5.begin(),i5.end());
BOOST_TEST(es.size()==0&&i3.size()==0);
i5.emplace(i5.end(),0,"Joe",31,1123);
BOOST_TEST(i1.erase(i1.begin())==i1.end());
BOOST_TEST(i1.size()==0);
i1.emplace(0,"Joe",31,1123);
i3.emplace(i3.begin(),1,"Jack",31,5032);
i4.emplace_hint(i4.end(),2,"James",31,3847);
BOOST_TEST(i2.erase(31)==3);
BOOST_TEST(i2.size()==0);
i3.emplace_front(1,"Jack",31,5032);
i3.emplace_back(0,"Joe",31,1123);
BOOST_TEST(i3.front()==employee(1,"Jack",31,5032));
BOOST_TEST(i3.back()==employee(0,"Joe",31,1123));
i3.pop_back();
BOOST_TEST(i3.back()==employee(1,"Jack",31,5032));
BOOST_TEST(es.size()==1);
i3.pop_front();
BOOST_TEST(es.size()==0);
i5.push_back(employee(1,"Jack",31,5032));
i5.push_front(employee(0,"Joe",31,1123));
i5.insert(i5.end()-1,employee(2,"Grandda Joe",64,7881));
BOOST_TEST(i5.back()==employee(1,"Jack",31,5032));
BOOST_TEST(i5.front()==employee(0,"Joe",31,1123));
BOOST_TEST(i5[0]==i5.front()&&i5.at(0)==i5.front());
BOOST_TEST(i5[i5.size()-1]==i5.back()&&i5.at(i5.size()-1)==i5.back());
i5.pop_front();
BOOST_TEST(i5.back()==employee(1,"Jack",31,5032));
BOOST_TEST(i5.front()==employee(2,"Grandda Joe",64,7881));
BOOST_TEST(es.size()==2);
i5.pop_back();
BOOST_TEST(i5.back()==employee(2,"Grandda Joe",64,7881));
BOOST_TEST(i5.front()==i5.front());
BOOST_TEST(es.size()==1);
i5.erase(i5.begin());
BOOST_TEST(es.size()==0);
std::vector<employee> ve;
ve.push_back(employee(3,"Anna",31,5388));
ve.push_back(employee(1,"Rachel",27,9012));
ve.push_back(employee(2,"Agatha",40,1520));
i1.insert(ve.begin(),ve.end());
BOOST_TEST(i2.size()==3);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
i1.insert({{4,"Vanessa",20,9236},{5,"Penelope",55,2358}});
BOOST_TEST(i2.size()==5);
#endif
BOOST_TEST(i2.erase(i2.begin(),i2.end())==i2.end());
BOOST_TEST(es.size()==0);
i2.insert(ve.begin(),ve.end());
BOOST_TEST(i3.size()==3);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
i2.insert({{4,"Vanessa",20,9236},{5,"Penelope",55,2358}});
BOOST_TEST(i3.size()==5);
#endif
BOOST_TEST(*(i3.erase(i3.begin()))==employee(1,"Rachel",27,9012));
BOOST_TEST(i3.erase(i3.begin(),i3.end())==i3.end());
BOOST_TEST(es.size()==0);
i3.insert(i3.end(),ve.begin(),ve.end());
BOOST_TEST(es.size()==3);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
i3.insert(i3.begin(),{{4,"Vanessa",20,9236},{5,"Penelope",55,2358}});
BOOST_TEST(i3.front().name=="Vanessa");
BOOST_TEST(i4.size()==5);
#endif
BOOST_TEST(i4.erase(9012)==1);
i4.erase(i4.begin());
BOOST_TEST(i4.erase(i4.begin(),i4.end())==i4.end());
i4.insert(ve.begin(),ve.end());
BOOST_TEST(i5.size()==3);
BOOST_TEST(i5.erase(i5.begin(),i5.end())==i5.end());
BOOST_TEST(es.size()==0);
i5.insert(i5.begin(),ve.begin(),ve.end());
BOOST_TEST(i1.size()==3);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
i5.insert(i5.end(),{{4,"Vanessa",20,9236},{5,"Penelope",55,2358}});
BOOST_TEST(i5.back().name=="Penelope");
BOOST_TEST(i1.size()==5);
#endif
BOOST_TEST(es.erase(es.begin(),es.end())==es.end());
BOOST_TEST(i2.size()==0);
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,"Albert",20,9012));
es.insert(employee(4,"John",57,1002));
employee_set es_backup(es);
employee_set es2;
es2.insert(employee(3,"Anna",31,5388));
es2.insert(employee(1,"Rachel",27,9012));
es2.insert(employee(2,"Agatha",40,1520));
employee_set es2_backup(es2);
i1.swap(get<1>(es2));
BOOST_TEST(es==es2_backup&&es2==es_backup);
i2.swap(get<2>(es2));
BOOST_TEST(es==es_backup&&es2==es2_backup);
i3.swap(get<3>(es2));
BOOST_TEST(es==es2_backup&&es2==es_backup);
i4.swap(get<4>(es2));
BOOST_TEST(es==es_backup&&es2==es2_backup);
i5.swap(get<5>(es2));
BOOST_TEST(es==es2_backup&&es2==es_backup);
#if defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
::boost::multi_index::detail::swap(i1,get<1>(es2));
#else
using std::swap;
swap(i1,get<1>(es2));
#endif
BOOST_TEST(es==es_backup&&es2==es2_backup);
#if defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
::boost::multi_index::detail::swap(i2,get<2>(es2));
#else
using std::swap;
swap(i2,get<2>(es2));
#endif
BOOST_TEST(es==es2_backup&&es2==es_backup);
#if defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
::boost::multi_index::detail::swap(i3,get<3>(es2));
#else
using std::swap;
swap(i3,get<3>(es2));
#endif
BOOST_TEST(es==es_backup&&es2==es2_backup);
#if defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
::boost::multi_index::detail::swap(i4,get<4>(es2));
#else
using std::swap;
swap(i4,get<4>(es2));
#endif
BOOST_TEST(es==es2_backup&&es2==es_backup);
#if defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
::boost::multi_index::detail::swap(i5,get<5>(es2));
#else
using std::swap;
swap(i5,get<5>(es2));
#endif
BOOST_TEST(es==es_backup&&es2==es2_backup);
i3.clear();
BOOST_TEST(i3.size()==0);
es=es2;
i4.clear();
BOOST_TEST(i4.size()==0);
es=es2;
i5.clear();
BOOST_TEST(i5.size()==0);
es2.clear();
BOOST_TEST(es2.size()==0);
/* non-copyable elements */
multi_index_container<
non_copyable_int,
indexed_by<
ordered_non_unique<member<non_copyable_int,int,&non_copyable_int::n> >,
hashed_non_unique<member<non_copyable_int,int,&non_copyable_int::n> >,
sequenced<>,
random_access<>
>
> ncic,ncic2;
ncic.emplace(1);
get<1>(ncic).emplace(1);
get<2>(ncic).emplace_back(1);
get<3>(ncic).emplace_back(1);
non_copyable_int nci(1);
ncic.insert(boost::move(nci));
BOOST_TEST(nci.n==0);
nci.n=1;
get<1>(ncic).insert(boost::move(nci));
BOOST_TEST(nci.n==0);
nci.n=1;
get<2>(ncic).push_back(boost::move(nci));
BOOST_TEST(nci.n==0);
nci.n=1;
get<3>(ncic).push_back(boost::move(nci));
BOOST_TEST(nci.n==0);
std::vector<int> vi(4,1);
const std::vector<int>& cvi=vi;
ncic.insert(vi.begin(),vi.end());
ncic.insert(cvi.begin(),cvi.end());
get<2>(ncic).insert(get<2>(ncic).begin(),vi.begin(),vi.end());
get<2>(ncic).insert(get<2>(ncic).begin(),cvi.begin(),cvi.end());
BOOST_TEST(ncic.count(1)==24);
ncic.swap(ncic2);
BOOST_TEST(ncic.empty());
BOOST_TEST(ncic2.count(1)==24);
/* testcase for problem reported at
* http://lists.boost.org/boost-users/2006/12/24215.php
*/
multi_index_container<
always_one,
indexed_by<
hashed_non_unique<identity<always_one> >
>
> aoc;
aoc.insert(always_one());
aoc.insert(always_one());
aoc.erase(*(aoc.begin()));
BOOST_TEST(aoc.empty());
/* Testcases for compliance with "as close to hint as possible"
* proposed behavior for associative containers:
* http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#233
* http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1780.html
*/
typedef multi_index_container<
int,
indexed_by<
ordered_non_unique<identity<int> >
>
> int_non_unique_container;
int_non_unique_container c;
c.insert(0);c.insert(0);
c.insert(1);c.insert(1);
c.insert(2);c.insert(2);
BOOST_TEST(std::distance(c.begin(),c.insert(c.begin(),1))==2);
BOOST_TEST(std::distance(c.begin(),c.insert(boost::next(c.begin()),1))==2);
BOOST_TEST(std::distance(c.begin(),c.insert(c.lower_bound(1),1))==2);
BOOST_TEST(
std::distance(c.begin(),c.insert(boost::next(c.lower_bound(1)),1))==3);
BOOST_TEST(std::distance(c.begin(),c.insert(c.upper_bound(1),1))==8);
BOOST_TEST(std::distance(c.begin(),c.insert(boost::prior(c.end()),1))==9);
BOOST_TEST(std::distance(c.begin(),c.insert(c.end(),1))==10);
/* testcase for erase() reentrancy */
{
linked_object o1(1);
linked_object o2(2,o1);
o1=o2;
}
/* testcases for bug reported at
* https://svn.boost.org/trac/boost/ticket/9665
*/
{
multi_index_container<
int,
indexed_by<hashed_unique<identity<int> > >
> hc;
hc.insert(tempvalue_iterator(0),tempvalue_iterator(10));
BOOST_TEST(hc.size()==10);
multi_index_container<
int,
indexed_by<ordered_unique<identity<int> > >
> oc;
oc.insert(tempvalue_iterator(0),tempvalue_iterator(10));
BOOST_TEST(oc.size()==10);
}
/* testcases for https://svn.boost.org/trac10/ticket/12542 */
{
multi_index_container<
int,
indexed_by<
ordered_unique<identity<int> >,
hashed_unique<identity<int> >
>
> ohc;
#if !(defined BOOST_NO_EXCEPTIONS)
ohc.insert(0);
ohc.insert(1);
try{
ohc.modify_key(ohc.begin(),change_int_and_throw(1));
}
catch(int){}
BOOST_TEST(ohc.size()==1);
ohc.clear();
ohc.insert(0);
ohc.insert(1);
try{
ohc.modify_key(ohc.begin(),change_int_and_throw(1),change_int(0));
}
catch(int){}
BOOST_TEST(ohc.size()==1);
ohc.clear();
ohc.insert(0);
ohc.insert(1);
try{
ohc.modify_key(
ohc.begin(),change_int_and_throw(1),change_int_and_throw(0));
}
catch(int){}
BOOST_TEST(ohc.size()==1);
ohc.clear();
ohc.insert(0);
ohc.insert(1);
try{
ohc.modify_key(ohc.begin(),change_int(1),change_int_and_throw(0));
}
catch(int){}
BOOST_TEST(ohc.size()==1);
ohc.clear();
#endif
ohc.insert(0);
ohc.insert(1);
ohc.modify_key(ohc.begin(),change_int(1),change_int(1));
BOOST_TEST(ohc.size()==1);
ohc.clear();
}
}