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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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