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// Boost.TypeErasure library
//
// Copyright 2011 Steven Watanabe
//
// 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)
//
// $Id$
#include <boost/type_erasure/any.hpp>
#include <boost/type_erasure/builtin.hpp>
#include <boost/type_erasure/operators.hpp>
#include <boost/type_erasure/any_cast.hpp>
#include <boost/type_erasure/iterator.hpp>
#include <boost/type_erasure/same_type.hpp>
#include <boost/type_erasure/binding_of.hpp>
#include <boost/mpl/vector.hpp>
#include <boost/concept_check.hpp>
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
using namespace boost::type_erasure;
BOOST_AUTO_TEST_CASE(test_basic)
{
typedef boost::mpl::vector<
forward_iterator<>,
same_type<forward_iterator<>::value_type, int>
> test_concept;
std::vector<int> vec(10);
any<test_concept> x(vec.begin());
any<test_concept> y(vec.end());
for(int i = 0; x != y; ++x, ++i) {
*x = i;
}
int expected[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), &expected[0], &expected[0] + 10);
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::value_type, int>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::reference, int&>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::pointer, int*>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::difference_type, std::ptrdiff_t>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::iterator_category, std::forward_iterator_tag>));
}
BOOST_AUTO_TEST_CASE(test_any_value_type)
{
typedef boost::mpl::vector<
forward_iterator<>,
same_type<forward_iterator<>::value_type, _a>,
copy_constructible<_a>,
assignable<_a>,
incrementable<_a>
> test_concept;
std::vector<int> vec(10);
any<test_concept> x(vec.begin());
any<test_concept> y(vec.end());
for(any<test_concept, _a> i = *x; x != y; ++x, ++i) {
*x = i;
}
int expected[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), &expected[0], &expected[0] + 10);
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::value_type, any<test_concept, _a> >));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::reference, any<test_concept, _a&> >));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::pointer, any<test_concept, _a>*>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::difference_type, std::ptrdiff_t>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::iterator_category, std::forward_iterator_tag>));
}
BOOST_AUTO_TEST_CASE(test_relaxed)
{
typedef boost::mpl::vector<
forward_iterator<>,
same_type<forward_iterator<>::value_type, int>,
relaxed
> test_concept;
std::vector<int> vec(10);
any<test_concept> x(vec.begin());
any<test_concept> y(vec.end());
for(int i = 0; x != y; ++x, ++i) {
*x = i;
}
int expected[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), &expected[0], &expected[0] + 10);
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::value_type, int>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::reference, int&>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::pointer, int*>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::difference_type, std::ptrdiff_t>));
BOOST_MPL_ASSERT((boost::is_same<any<test_concept>::iterator_category, std::forward_iterator_tag>));
BOOST_CONCEPT_ASSERT((boost::ForwardIterator<any<test_concept> >));
}
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