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Improve test directly using transform_iterator and several containers

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Ion Gaztañaga
2021-12-31 01:03:11 +01:00
parent 0eb901ee05
commit 2da6088d0c
1 changed files with 52 additions and 8 deletions
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60
test/boost_iterator_comp_test.cpp
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@@ -1,12 +1,56 @@
#include <boost/container/string.hpp> #include <boost/iterator/transform_iterator.hpp>
#include <boost/archive/iterators/binary_from_base64.hpp> #include <boost/container/vector.hpp>
#include <boost/container/list.hpp>
#include <boost/container/slist.hpp>
#include <boost/core/lightweight_test.hpp>
using namespace boost::container;
struct func
{
typedef int result_type;
int operator()(const int i) const
{ return i*2; }
};
int main() int main()
{ {
using String = boost::container::string; const std::size_t N = 10u;
using Iterator = boost::archive::iterators::binary_from_base64<String::iterator>; func f;
slist<int>s(N);
list<int>l(N);
vector<int>v(N);
vector<int>v2;
v2.insert(v2.end(), boost::make_transform_iterator(s.begin(), f), boost::make_transform_iterator(s.end(), f));
v2.insert(v2.end(), boost::make_transform_iterator(l.begin(), f), boost::make_transform_iterator(l.end(), f));
v2.insert(v2.end(), boost::make_transform_iterator(v.begin(), f), boost::make_transform_iterator(v.end(), f));
v2.assign(boost::make_transform_iterator(s.begin(), f), boost::make_transform_iterator(s.end(), f));
v2.assign(boost::make_transform_iterator(l.begin(), f), boost::make_transform_iterator(l.end(), f));
v2.assign(boost::make_transform_iterator(v.begin(), f), boost::make_transform_iterator(v.end(), f));
{
//slist
boost::transform_iterator<func, typename slist<int>::iterator>
ti(s.begin()), ti2(s.end()), ti3(ti);
boost::intrusive::iterator_uadvance(ti3, v.size());
BOOST_TEST(ti3 == ti2);
}
{
//list
boost::transform_iterator<func, typename list<int>::iterator>
ti(l.begin()), ti2(l.end()), ti3(ti);
boost::intrusive::iterator_uadvance(ti3, v.size());
BOOST_TEST(ti3 == ti2);
}
{
//vector
boost::transform_iterator<func, typename vector<int>::iterator>
ti(v.begin()), ti2(v.end()), ti3(ti);
boost::intrusive::iterator_uadvance(ti3, v.size());
BOOST_TEST(ti3 == ti2);
}
return boost::report_errors();
}
String s;
s.assign(Iterator{s.begin()},Iterator{s.end()});
return 0;
}