| // |
| // Boost.Pointer Container |
| // |
| // Copyright Thorsten Ottosen 2008. Use, modification and |
| // distribution is subject to 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) |
| // |
| // For more information, see http://www.boost.org/libs/ptr_container/ |
| // |
| |
| #include <boost/ptr_container/ptr_inserter.hpp> |
| #include <boost/ptr_container/indirect_fun.hpp> |
| #include <boost/ptr_container/ptr_deque.hpp> |
| #include <boost/ptr_container/ptr_list.hpp> |
| #include <boost/assign/list_inserter.hpp> |
| #include <boost/iterator/transform_iterator.hpp> |
| #include <boost/test/test_tools.hpp> |
| #include <algorithm> |
| #include <functional> |
| #include <string> |
| |
| template< class T > |
| struct caster_to |
| { |
| typedef T result_type; |
| |
| T operator()( void* obj ) const |
| { |
| return static_cast<T>( obj ); |
| } |
| }; |
| |
| template< class PtrSequence > |
| void test_ptr_inserter_helper() |
| { |
| using namespace boost; |
| PtrSequence seq; |
| const int size = 1000; |
| for( int i = 0; i != size; ++i ) |
| seq.push_back( i % 3 == 0 ? 0 : new int(i) ); |
| |
| PtrSequence seq2; |
| // |
| // @remark: we call .base() to avoid null pointer indirection. |
| // The clone_inserter will handle the nulls correctly. |
| // |
| std::copy( boost::make_transform_iterator( seq.begin().base(), caster_to<int*>() ), |
| boost::make_transform_iterator( seq.end().base(), caster_to<int*>() ), |
| ptr_container::ptr_back_inserter( seq2 ) ); |
| |
| std::copy( boost::make_transform_iterator( seq.begin().base(), caster_to<int*>() ), |
| boost::make_transform_iterator( seq.end().base(), caster_to<int*>() ), |
| ptr_container::ptr_front_inserter( seq2 ) ); |
| BOOST_CHECK_EQUAL( seq.size()*2, seq2.size() ); |
| |
| PtrSequence seq3; |
| for( int i = 0; i != size; ++i ) |
| seq3.push_back( new int(i%3) ); |
| |
| // |
| // @remark: since there are no nulls in this container, it |
| // is easier to handle. |
| // |
| std::copy( seq3.begin(), seq3.end(), |
| ptr_container::ptr_inserter( seq, seq.end() ) ); |
| BOOST_CHECK_EQUAL( seq.size(), seq2.size() ); |
| } |
| |
| |
| void test_ptr_inserter() |
| { |
| test_ptr_inserter_helper< boost::ptr_list< boost::nullable<int> > >(); |
| test_ptr_inserter_helper< boost::ptr_deque< boost::nullable<int> > >(); |
| |
| |
| } |
| |
| |
| |
| #include <boost/test/unit_test.hpp> |
| using boost::unit_test::test_suite; |
| |
| test_suite* init_unit_test_suite( int argc, char* argv[] ) |
| { |
| test_suite* test = BOOST_TEST_SUITE( "Pointer Container Test Suite" ); |
| |
| test->add( BOOST_TEST_CASE( &test_ptr_inserter ) ); |
| |
| return test; |
| } |
| |
| |