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- //
- // 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;
- }
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