| 1 | #include <boost/iterator/transform_iterator.hpp> |
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| 2 | #include <boost/container/vector.hpp> |
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| 3 | #include <boost/container/list.hpp> |
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| 4 | #include <boost/container/slist.hpp> |
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| 5 | #include <boost/core/lightweight_test.hpp> |
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| 6 | |
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| 7 | using namespace boost::container; |
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| 8 | |
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| 9 | struct func |
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| 10 | { |
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| 11 | typedef int result_type; |
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| 12 | int operator()(const int i) const |
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| 13 | { return i*2; } |
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| 14 | }; |
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| 15 | |
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| 16 | int main() |
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| 17 | { |
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| 18 | const std::size_t N = 10u; |
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| 19 | func f; |
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| 20 | slist<int>s(N); |
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| 21 | list<int>l(N); |
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| 22 | vector<int>v(N); |
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| 23 | |
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| 24 | vector<int>v2; |
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| 25 | v2.insert(pos: v2.end(), first: boost::make_transform_iterator(it: s.begin(), fun: f), last: boost::make_transform_iterator(it: s.end(), fun: f)); |
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| 26 | v2.insert(pos: v2.end(), first: boost::make_transform_iterator(it: l.begin(), fun: f), last: boost::make_transform_iterator(it: l.end(), fun: f)); |
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| 27 | v2.insert(pos: v2.end(), first: boost::make_transform_iterator(it: v.begin(), fun: f), last: boost::make_transform_iterator(it: v.end(), fun: f)); |
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| 28 | |
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| 29 | v2.assign(first: boost::make_transform_iterator(it: s.begin(), fun: f), last: boost::make_transform_iterator(it: s.end(), fun: f)); |
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| 30 | v2.assign(first: boost::make_transform_iterator(it: l.begin(), fun: f), last: boost::make_transform_iterator(it: l.end(), fun: f)); |
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| 31 | v2.assign(first: boost::make_transform_iterator(it: v.begin(), fun: f), last: boost::make_transform_iterator(it: v.end(), fun: f)); |
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| 32 | |
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| 33 | { |
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| 34 | //slist |
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| 35 | boost::transform_iterator<func, slist<int>::iterator> |
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| 36 | ti(s.begin()), ti2(s.end()), ti3(ti); |
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| 37 | boost::intrusive::iterator_uadvance(it&: ti3, n: v.size()); |
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| 38 | BOOST_TEST(ti3 == ti2); |
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| 39 | } |
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| 40 | { |
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| 41 | //list |
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| 42 | boost::transform_iterator<func, list<int>::iterator> |
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| 43 | ti(l.begin()), ti2(l.end()), ti3(ti); |
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| 44 | boost::intrusive::iterator_uadvance(it&: ti3, n: v.size()); |
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| 45 | BOOST_TEST(ti3 == ti2); |
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| 46 | } |
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| 47 | { |
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| 48 | //vector |
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| 49 | boost::transform_iterator<func, vector<int>::iterator> |
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| 50 | ti(v.begin()), ti2(v.end()), ti3(ti); |
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| 51 | boost::intrusive::iterator_uadvance(it&: ti3, n: v.size()); |
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| 52 | BOOST_TEST(ti3 == ti2); |
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| 53 | } |
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| 54 | return boost::report_errors(); |
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| 55 | } |
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| 56 | |
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| 57 | |
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