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// Boost.Range library
//
// Copyright Neil Groves 2009. 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/range/
//
// Credits:
// awulkiew highlighted that this test was not successfully testing the
// algorithm.
//
#include <boost/range/algorithm/copy_backward.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/assign.hpp>
#include <boost/range/iterator.hpp>
#include <algorithm>
#include <list>
#include <vector>
namespace boost_range_test
{
namespace
{
template<typename Container>
void test_copy_backward_impl(std::size_t n)
{
Container source;
typedef typename Container::value_type value_t;
for (std::size_t i = 0; i < n; ++i)
source.push_back(static_cast<value_t>(i));
std::vector<value_t> target(n);
typedef typename boost::range_iterator<
std::vector<value_t>
>::type iterator_t;
iterator_t it = boost::copy_backward(source, target.end());
BOOST_CHECK(it == target.begin());
BOOST_CHECK_EQUAL_COLLECTIONS(target.begin(), target.end(),
source.begin(), source.end());
BOOST_CHECK(it == boost::copy_backward(
boost::make_iterator_range(source), target.end()));
BOOST_CHECK_EQUAL_COLLECTIONS(target.begin(), target.end(),
source.begin(), source.end());
}
template<typename Container>
void test_copy_backward_impl()
{
test_copy_backward_impl<Container>(0u);
test_copy_backward_impl<Container>(1u);
test_copy_backward_impl<Container>(100u);
}
void test_copy_backward()
{
test_copy_backward_impl<std::vector<int> >();
test_copy_backward_impl<std::list<int> >();
}
} // anonymous namespace
} // namespace boost_range_test
boost::unit_test::test_suite*
init_unit_test_suite(int, char*[])
{
boost::unit_test::test_suite* test
= BOOST_TEST_SUITE("RangeTestSuite.algorithm.copy_backward");
test->add(BOOST_TEST_CASE(&boost_range_test::test_copy_backward));
return test;
}
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