#define BOOST_TEST_MODULE TestNextPermutation
#include <boost/test/unit_test.hpp>
#include <boost/compute/system.hpp>
#include <boost/compute/functional.hpp>
#include <boost/compute/command_queue.hpp>
#include <boost/compute/algorithm/next_permutation.hpp>
#include <boost/compute/container/vector.hpp>
#include "check_macros.hpp"
#include "context_setup.hpp"
namespace bc = boost::compute;
BOOST_AUTO_TEST_CASE(next_permutation_int)
{
int dataset[] = {1, 3, 4, 2, 5};
bc::vector<bc::int_> vector(dataset, dataset + 5, queue);
bool result =
bc::next_permutation(vector.begin(), vector.begin() + 5, queue);
CHECK_RANGE_EQUAL(int, 5, vector, (1, 3, 4, 5, 2));
BOOST_VERIFY(result == true);
vector[0] = 10; vector[1] = 9; vector[2] = 6;
result = bc::next_permutation(vector.begin(), vector.begin() + 5, queue);
CHECK_RANGE_EQUAL(int, 5, vector, (2, 5, 6, 9, 10));
BOOST_VERIFY(result == false);
}
BOOST_AUTO_TEST_CASE(next_permutation_string)
{
char dataset[] = "aaab";
bc::vector<bc::char_> vector(dataset, dataset + 4, queue);
bool result =
bc::next_permutation(vector.begin(), vector.begin() + 4, queue);
CHECK_RANGE_EQUAL(char, 4, vector, ('a', 'a', 'b', 'a'));
BOOST_VERIFY(result == true);
result = bc::next_permutation(vector.begin(), vector.begin() + 4, queue);
CHECK_RANGE_EQUAL(char, 4, vector, ('a', 'b', 'a', 'a'));
BOOST_VERIFY(result == true);
result = bc::next_permutation(vector.begin(), vector.begin() + 4, queue);
CHECK_RANGE_EQUAL(char, 4, vector, ('b', 'a', 'a', 'a'));
BOOST_VERIFY(result == true);
result = bc::next_permutation(vector.begin(), vector.begin() + 4, queue);
CHECK_RANGE_EQUAL(char, 4, vector, ('a', 'a', 'a', 'b'));
BOOST_VERIFY(result == false);
}
BOOST_AUTO_TEST_SUITE_END()