108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
// 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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#include <boost/range/algorithm/rotate.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/bind.hpp>
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#include <algorithm>
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#include <functional>
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#include <list>
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#include <numeric>
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#include <deque>
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#include <vector>
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namespace boost
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{
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namespace
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{
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template<class Container, class Iterator>
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void test_rotate_impl(Container& cont, Iterator where_it)
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{
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Container reference(cont);
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Container test(cont);
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Iterator reference_where_it = reference.begin();
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std::advance(reference_where_it,
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std::distance(cont.begin(), where_it));
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std::rotate(reference.begin(), reference_where_it, reference.end());
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Iterator test_where_it = test.begin();
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std::advance(test_where_it,
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std::distance(cont.begin(), where_it));
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boost::rotate(test, test_where_it);
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BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
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test.begin(), test.end() );
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test = cont;
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test_where_it = test.begin();
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std::advance(test_where_it,
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std::distance(cont.begin(), where_it));
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boost::rotate(boost::make_iterator_range(test), test_where_it);
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BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
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test.begin(), test.end() );
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}
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template<class Container>
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void test_rotate_impl(Container& cont)
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{
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typedef BOOST_DEDUCED_TYPENAME range_iterator<Container>::type iterator_t;
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iterator_t last = cont.end();
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for (iterator_t it = cont.begin(); it != last; ++it)
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{
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test_rotate_impl(cont, it);
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}
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}
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template<class Container>
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void test_rotate_impl()
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{
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using namespace boost::assign;
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Container cont;
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test_rotate_impl(cont);
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cont.clear();
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cont += 1;
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test_rotate_impl(cont);
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cont.clear();
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cont += 1,2,3,4,5,6,7,8,9;
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test_rotate_impl(cont);
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}
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void test_rotate()
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{
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test_rotate_impl< std::vector<int> >();
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test_rotate_impl< std::list<int> >();
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test_rotate_impl< std::deque<int> >();
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}
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}
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}
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boost::unit_test::test_suite*
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init_unit_test_suite(int argc, char* argv[])
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{
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boost::unit_test::test_suite* test
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= BOOST_TEST_SUITE( "RangeTestSuite.algorithm.rotate" );
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test->add( BOOST_TEST_CASE( &boost::test_rotate ) );
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return test;
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}
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