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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/stable_partition.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/assign.hpp>
#include "../test_driver/range_return_test_driver.hpp"
#include <algorithm>
#include <functional>
#include <list>
#include <numeric>
#include <deque>
#include <vector>
namespace boost_range_test_algorithm_stable_partition
{
struct equal_to_5
{
typedef bool result_type;
typedef int argument_type;
bool operator()(int x) const { return x == 5; }
};
// test the 'partition' algorithm
template<class UnaryPredicate>
class stable_partition_test_policy
{
public:
template< class Container >
BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type
test_iter(Container& cont)
{
Container cont2(cont);
typedef BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type iter_t;
iter_t result = boost::stable_partition(cont, UnaryPredicate());
iter_t temp_result = boost::stable_partition(
boost::make_iterator_range(cont2), UnaryPredicate());
BOOST_CHECK_EQUAL( std::distance(cont.begin(), result),
std::distance(cont2.begin(), temp_result) );
BOOST_CHECK_EQUAL_COLLECTIONS( cont.begin(), cont.end(),
cont2.begin(), cont2.end() );
return result;
}
UnaryPredicate pred() const { return UnaryPredicate(); }
template< boost::range_return_value return_type >
struct test_range
{
template< class Container, class Policy >
BOOST_DEDUCED_TYPENAME boost::range_return<Container,return_type>::type
operator()(Policy& policy, Container& cont)
{
typedef BOOST_DEDUCED_TYPENAME boost::range_return<Container,return_type>::type result_t;
Container cont2(cont);
result_t result = boost::stable_partition<return_type>(cont, policy.pred());
result_t result2 = boost::stable_partition<return_type>(
boost::make_iterator_range(cont2), policy.pred());
boost::ignore_unused_variable_warning(result2);
BOOST_CHECK_EQUAL_COLLECTIONS( cont2.begin(), cont2.end(),
cont.begin(), cont.end() );
return result;
}
};
template< class Container >
BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type
reference(Container& cont)
{
return std::stable_partition(cont.begin(), cont.end(), UnaryPredicate());
}
};
template<class Container>
void test_stable_partition_impl()
{
using namespace boost::assign;
boost::range_test::range_return_test_driver test_driver;
stable_partition_test_policy< equal_to_5 > policy;
Container cont;
test_driver(cont, policy);
cont.clear();
cont += 1;
test_driver(cont, policy);
cont.clear();
cont += 1,2,2,2,2,2,3,4,5,6,7,8,9;
test_driver(cont, policy);
cont.clear();
cont += 1,2,2,2,2,2,3,3,3,3,4,4,4,4,4,4,4,5,6,7,8,9;
test_driver(cont, policy);
}
void test_stable_partition()
{
test_stable_partition_impl< std::vector<int> >();
test_stable_partition_impl< std::list<int> >();
test_stable_partition_impl< std::deque<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.stable_partition" );
test->add( BOOST_TEST_CASE( &boost_range_test_algorithm_stable_partition::test_stable_partition ) );
return test;
}
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