// Copyright 2003 The Trustees of Indiana University.

// 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)

// Shared container iterator adaptor

// Author: Ronald Garcia

// See http://boost.org/libs/utility/shared_container_iterator.html

// for documentation.

//

// shared_iterator_test.cpp - Regression tests for shared_container_iterator.

//

#include <boost/iterator/shared_container_iterator.hpp>

#include <boost/shared_ptr.hpp>

#include <boost/core/lightweight_test.hpp>

#include <vector>

#include <memory>

struct resource

{

static int count;

resource() { ++count; }

resource(resource const&) { ++count; }

~resource() { --count; }

};

int resource::count = 0;

typedef std::vector< resource > resources_t;

typedef boost::shared_container_iterator< resources_t > iterator;

template< typename SharedPtr >

void set_range(iterator& i, iterator& end)

{

SharedPtr objs(new resources_t());

for (int j = 0; j != 6; ++j)

objs->push_back(resource());

i = iterator(objs->begin(), objs);

end = iterator(objs->end(), objs);

BOOST_TEST_EQ(resource::count, 6);

}

int main() {

BOOST_TEST_EQ(resource::count, 0);

{

iterator i;

{

iterator end;

set_range< boost::shared_ptr< resources_t > >(i, end);

BOOST_TEST_EQ(resource::count, 6);

}

BOOST_TEST_EQ(resource::count, 6);

}

BOOST_TEST_EQ(resource::count, 0);

{

iterator i;

{

iterator end;

set_range< std::shared_ptr< resources_t > >(i, end);

BOOST_TEST_EQ(resource::count, 6);

}

BOOST_TEST_EQ(resource::count, 6);

}

BOOST_TEST_EQ(resource::count, 0);

return boost::report_errors();

}