foreach/test/stl_byref.cpp
2014-01-10 22:17:48 -08:00

63 lines
1.8 KiB
C++

// (C) Copyright Eric Niebler 2004.
// Use, modification and distribution are 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)
/*
Revision history:
25 August 2005: Initial version.
*/
#include <list>
#include <boost/test/minimal.hpp>
#include <boost/foreach.hpp>
///////////////////////////////////////////////////////////////////////////////
// define the container types, used by utility.hpp to generate the helper functions
typedef std::list<int> foreach_container_type;
typedef std::list<int> const foreach_const_container_type;
typedef int foreach_value_type;
typedef int &foreach_reference_type;
typedef int const &foreach_const_reference_type;
#include "./utility.hpp"
///////////////////////////////////////////////////////////////////////////////
// initialize a std::list<int>
std::list<int> make_list()
{
std::list<int> l;
l.push_back(1);
l.push_back(2);
l.push_back(3);
l.push_back(4);
l.push_back(5);
return l;
}
///////////////////////////////////////////////////////////////////////////////
// define some containers
//
std::list<int> my_list = make_list();
std::list<int> const &my_const_list = my_list;
///////////////////////////////////////////////////////////////////////////////
// test_main
//
int test_main( int, char*[] )
{
// non-const containers by reference
BOOST_CHECK(sequence_equal_byref_n(my_list, "\1\2\3\4\5"));
// const containers by reference
BOOST_CHECK(sequence_equal_byref_c(my_const_list, "\1\2\3\4\5"));
// mutate the mutable collections
mutate_foreach_byref(my_list);
// compare the mutated collections to the actual results
BOOST_CHECK(sequence_equal_byref_n(my_list, "\2\3\4\5\6"));
return 0;
}