// | |
// 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; | |
} | |