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/* Copyright 2016-2024 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/poly_collection for library home page.
*/
#include "test_erasure.hpp"
#include <boost/core/lightweight_test.hpp>
#include <iterator>
#include "any_types.hpp"
#include "base_types.hpp"
#include "function_types.hpp"
#include "variant_types.hpp"
#include "test_utilities.hpp"
using namespace test_utilities;
template<typename Type,typename PolyCollection>
void test_local_erase(const PolyCollection& p2)
{
using size_type=typename PolyCollection::size_type;
for(size_type i=0;i<p2.template size<Type>();++i){
PolyCollection p=p2;
auto it=p.erase(p.template cbegin<Type>()+i);
BOOST_TEST(it-p.template begin<Type>()==(std::ptrdiff_t)i);
BOOST_TEST(p.template size<Type>()==p2.template size<Type>()-1);
}
}
template<typename Type,typename PolyCollection>
void test_local_range_erase(const PolyCollection& p2)
{
using size_type=typename PolyCollection::size_type;
for(size_type i=0;i<=p2.template size<Type>();++i){
for(size_type j=i;j<=p2.template size<Type>();++j){
PolyCollection p=p2;
auto first=p.template cbegin<Type>()+i,
last=p.template cbegin<Type>()+j;
auto it=p.erase(first,last);
BOOST_TEST(it-p.template begin<Type>()==(std::ptrdiff_t)i);
BOOST_TEST(p.template size<Type>()==p2.template size<Type>()-(j-i));
}
}
}
template<typename Type,typename PolyCollection>
void test_local_clear(const PolyCollection& p2)
{
PolyCollection p=p2;
p.template clear<Type>();
BOOST_TEST(p.template empty<Type>());
BOOST_TEST(p.size()==p2.size()-p2.template size<Type>());
}
template<typename PolyCollection,typename ValueFactory,typename... Types>
void test_erasure()
{
using size_type=typename PolyCollection::size_type;
PolyCollection p,p2;
ValueFactory v;
fill<constraints<is_copy_constructible>,Types...>(p2,v,5);
auto sit=p2.segment_traversal().begin();
p2.clear(sit->type_info());
++sit;++sit;
p2.clear(sit->type_info());
for(size_type i=0;i<p2.size();++i){
p=p2;
auto it=p.erase(std::next(p.cbegin(),i));
BOOST_TEST(std::distance(p.begin(),it)==(std::ptrdiff_t)i);
BOOST_TEST(p.size()==p2.size()-1);
}
for(auto s:p2.segment_traversal()){
auto& info=s.type_info();
for(size_type i=0;i<p2.size(info);++i){
p=p2;
auto it=p.erase(p.cbegin(info)+i);
BOOST_TEST(it-p.begin(info)==(std::ptrdiff_t)i);
BOOST_TEST(p.size(info)==p2.size(info)-1);
}
}
do_((
is_registered<Types>(p2)?test_local_erase<Types>(p2),0:0)...);
for(size_type i=0;i<=p2.size();++i){
for(size_type j=i;j<=p2.size();++j){
p=p2;
auto first=std::next(p.cbegin(),i),
last=std::next(p.cbegin(),j);
auto it=p.erase(first,last);
BOOST_TEST(std::distance(p.begin(),it)==(std::ptrdiff_t)i);
BOOST_TEST(p.size()==p2.size()-(j-i));
}
}
for(auto s:p2.segment_traversal()){
auto& info=s.type_info();
for(size_type i=0;i<=p2.size(info);++i){
for(size_type j=i;j<=p2.size(info);++j){
p=p2;
auto first=p.cbegin(info)+i,
last=p.cbegin(info)+j;
auto it=p.erase(first,last);
BOOST_TEST(it-p.begin(info)==(std::ptrdiff_t)i);
BOOST_TEST(p.size(info)==p2.size(info)-(j-i));
}
}
}
do_((is_registered<Types>(p2)?
test_local_range_erase<Types>(p2),0:0)...);
p=p2;
p.clear();
BOOST_TEST(p.empty());
for(auto s:p2.segment_traversal()){
auto& info=s.type_info();
p=p2;
p.clear(info);
BOOST_TEST(p.empty(info));
BOOST_TEST(p.size()==p2.size()-p2.size(info));
}
do_((is_registered<Types>(p2)?
test_local_clear<Types>(p2),0:0)...);
}
void test_erasure()
{
test_erasure<
any_types::collection,auto_increment,
any_types::t1,any_types::t2,any_types::t3,
any_types::t4,any_types::t5>();
test_erasure<
base_types::collection,auto_increment,
base_types::t1,base_types::t2,base_types::t3,
base_types::t4,base_types::t5>();
test_erasure<
function_types::collection,auto_increment,
function_types::t1,function_types::t2,function_types::t3,
function_types::t4,function_types::t5>();
test_erasure<
variant_types::collection,auto_increment,
variant_types::t1,variant_types::t2,variant_types::t3,
variant_types::t4,variant_types::t5>();
}
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