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85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
// Boost.Range library
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//
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// Copyright Neil Groves 2009. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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// Credits:
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// awulkiew highlighted that this test was not successfully testing the
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// algorithm.
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//
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#include <boost/range/algorithm/copy_backward.hpp>
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#include <boost/test/test_tools.hpp>
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#include <boost/test/unit_test.hpp>
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#include <boost/assign.hpp>
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#include <boost/range/iterator.hpp>
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#include <algorithm>
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#include <list>
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#include <vector>
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namespace boost_range_test
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{
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namespace
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{
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template<typename Container>
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void test_copy_backward_impl(std::size_t n)
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{
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Container source;
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typedef typename Container::value_type value_t;
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for (std::size_t i = 0; i < n; ++i)
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source.push_back(static_cast<value_t>(i));
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std::vector<value_t> target(n);
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typedef typename boost::range_iterator<
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std::vector<value_t>
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>::type iterator_t;
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iterator_t it = boost::copy_backward(source, target.end());
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BOOST_CHECK(it == target.begin());
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BOOST_CHECK_EQUAL_COLLECTIONS(target.begin(), target.end(),
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source.begin(), source.end());
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BOOST_CHECK(it == boost::copy_backward(
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boost::make_iterator_range(source), target.end()));
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BOOST_CHECK_EQUAL_COLLECTIONS(target.begin(), target.end(),
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source.begin(), source.end());
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}
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template<typename Container>
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void test_copy_backward_impl()
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{
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test_copy_backward_impl<Container>(0u);
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test_copy_backward_impl<Container>(1u);
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test_copy_backward_impl<Container>(100u);
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}
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void test_copy_backward()
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{
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test_copy_backward_impl<std::vector<int> >();
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test_copy_backward_impl<std::list<int> >();
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}
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} // anonymous namespace
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} // namespace boost_range_test
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boost::unit_test::test_suite*
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init_unit_test_suite(int, char*[])
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{
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boost::unit_test::test_suite* test
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= BOOST_TEST_SUITE("RangeTestSuite.algorithm.copy_backward");
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test->add(BOOST_TEST_CASE(&boost_range_test::test_copy_backward));
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return test;
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}
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