core/test/iterator_test.cpp

70 lines
1.6 KiB
C++

//
// Test for boost/iterator.hpp
//
// Copyright 2014 Peter Dimov
//
// Distributed under 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
//
#include <boost/iterator.hpp>
#include <boost/core/is_same.hpp>
#include <boost/core/lightweight_test_trait.hpp>
/*
template< class Category, class T,
class Distance = ptrdiff_t,
class Pointer = T*,
class Reference = T&>
struct iterator
{
typedef T value_type;
typedef Distance difference_type;
typedef Pointer pointer;
typedef Reference reference;
typedef Category iterator_category;
};
*/
struct C
{
};
struct T
{
};
struct D
{
};
struct P
{
};
struct R
{
};
int main()
{
using boost::core::is_same;
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::iterator_category,C>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::value_type,T>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::difference_type,D>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::pointer,P>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::reference,R>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::iterator_category,C>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::value_type,T>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::difference_type,std::ptrdiff_t>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::pointer,T*>));
BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::reference,T&>));
return boost::report_errors();
}