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- // 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/
- //
- #include <boost/range/algorithm/lexicographical_compare.hpp>
- #include <boost/test/test_tools.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/assign.hpp>
- #include <boost/range/value_type.hpp>
- #include <algorithm>
- #include <functional>
- #include <list>
- #include <numeric>
- #include <deque>
- #include <vector>
- namespace boost
- {
- namespace
- {
- template<class ForwardRange1, class ForwardRange2>
- void test_lexicographical_compare_impl_nopred(ForwardRange1& rng1,
- ForwardRange2& rng2)
- {
- const bool reference = std::lexicographical_compare(
- boost::begin(rng1), boost::end(rng1),
- boost::begin(rng2), boost::end(rng2));
- const bool test = boost::lexicographical_compare(rng1, rng2);
- BOOST_CHECK( reference == test );
- BOOST_CHECK( test == boost::lexicographical_compare(boost::make_iterator_range(rng1), rng2) );
- BOOST_CHECK( test == boost::lexicographical_compare(rng1, boost::make_iterator_range(rng2)) );
- BOOST_CHECK( test == boost::lexicographical_compare(boost::make_iterator_range(rng1), boost::make_iterator_range(rng2)) );
- }
- template<class ForwardRange1, class ForwardRange2,
- class BinaryPredicate>
- void test_lexicographical_compare_impl_pred(ForwardRange1& rng1,
- ForwardRange2& rng2,
- BinaryPredicate pred)
- {
- const bool reference = std::lexicographical_compare(
- boost::begin(rng1), boost::end(rng1),
- boost::begin(rng2), boost::end(rng2),
- pred);
- const bool test = boost::lexicographical_compare(rng1, rng2, pred);
- BOOST_CHECK( reference == test );
- BOOST_CHECK( test == boost::lexicographical_compare(boost::make_iterator_range(rng1), rng2, pred) );
- BOOST_CHECK( test == boost::lexicographical_compare(rng1, boost::make_iterator_range(rng2), pred) );
- BOOST_CHECK( test == boost::lexicographical_compare(boost::make_iterator_range(rng1), boost::make_iterator_range(rng2), pred) );
- }
- template<class Container1, class Container2>
- void test_lexicographical_compare_impl(Container1& cont1,
- Container2& cont2)
- {
- typedef BOOST_DEDUCED_TYPENAME boost::range_value<Container1>::type value_t;
- test_lexicographical_compare_impl_nopred(cont1, cont2);
- test_lexicographical_compare_impl_pred(cont1, cont2, std::less<value_t>());
- test_lexicographical_compare_impl_pred(cont1, cont2, std::greater<value_t>());
- }
- template<class Container1, class Container2>
- void test_lexicographical_compare_impl()
- {
- using namespace boost::assign;
- typedef BOOST_DEDUCED_TYPENAME boost::remove_const<Container1>::type container1_t;
- typedef BOOST_DEDUCED_TYPENAME boost::remove_const<Container2>::type container2_t;
- container1_t cont1;
- container2_t cont2;
- test_lexicographical_compare_impl<Container1,Container2>(cont1, cont2);
- cont1.clear();
- cont2.clear();
- cont1.push_back(1);
- cont2.push_back(1);
- test_lexicographical_compare_impl<Container1,Container2>(cont1, cont2);
- cont1.clear();
- cont2.clear();
- cont1 += 2;
- cont2 += 1;
- test_lexicographical_compare_impl<Container1,Container2>(cont1, cont2);
- cont1.clear();
- cont2.clear();
- cont1 += 1;
- cont2 += 2;
- test_lexicographical_compare_impl<Container1,Container2>(cont1, cont2);
- cont1.clear();
- cont2.clear();
- cont1 += 1,2,3,4,5,6,7;
- cont2 += 1,2,3,4,5,6,7;
- test_lexicographical_compare_impl<Container1,Container2>(cont1, cont2);
- cont1.clear();
- cont2.clear();
- cont1 += 1,2,3,4,5,6,7;
- cont2 += 1,2,3,4,5,6;
- test_lexicographical_compare_impl<Container1,Container2>(cont1, cont2);
- cont1.clear();
- cont2.clear();
- cont1 += 1,2,3,4,5,6;
- cont2 += 1,2,3,4,5,6,7;
- test_lexicographical_compare_impl<Container1,Container2>(cont1, cont2);
- }
- template<class Container1>
- void test_lexicographical_compare_rhs()
- {
- typedef BOOST_DEDUCED_TYPENAME range_value<Container1>::type value_t;
- test_lexicographical_compare_impl<Container1, const std::vector<value_t> >();
- test_lexicographical_compare_impl<Container1, const std::deque<value_t> >();
- test_lexicographical_compare_impl<Container1, const std::list<value_t> >();
- test_lexicographical_compare_impl<Container1, std::vector<value_t> >();
- test_lexicographical_compare_impl<Container1, std::deque<value_t> >();
- test_lexicographical_compare_impl<Container1, std::list<value_t> >();
- }
- void test_lexicographical_compare()
- {
- test_lexicographical_compare_rhs< const std::vector<int> >();
- test_lexicographical_compare_rhs< const std::deque<int> >();
- test_lexicographical_compare_rhs< const std::list<int> >();
- test_lexicographical_compare_rhs< std::vector<int> >();
- test_lexicographical_compare_rhs< std::deque<int> >();
- test_lexicographical_compare_rhs< std::list<int> >();
- }
- }
- }
- boost::unit_test::test_suite*
- init_unit_test_suite(int argc, char* argv[])
- {
- boost::unit_test::test_suite* test
- = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.lexicographical_compare" );
- test->add( BOOST_TEST_CASE( &boost::test_lexicographical_compare ) );
- return test;
- }
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