| 24 | namespace bc = boost::compute; |
| 25 | |
| 26 | BOOST_AUTO_TEST_CASE(shuffle_int_vector) |
| 27 | { |
| 28 | bc::vector<int> vector(context); |
| 29 | vector.push_back(1, queue); |
| 30 | vector.push_back(9, queue); |
| 31 | vector.push_back(19, queue); |
| 32 | vector.push_back(29, queue); |
| 33 | queue.finish(); |
| 34 | |
| 35 | std::set<int> original_values; |
| 36 | for(size_t i = 0; i < vector.size(); i++){ |
| 37 | original_values.insert(vector[i]); |
| 38 | } |
| 39 | BOOST_CHECK_EQUAL(original_values.size(), size_t(4)); |
| 40 | |
| 41 | bc::random_shuffle(vector.begin(), vector.end(), queue); |
| 42 | |
| 43 | std::set<int> shuffled_values; |
| 44 | bc::copy( |
| 45 | vector.begin(), |
| 46 | vector.end(), |
| 47 | std::inserter(shuffled_values, shuffled_values.begin()), |
| 48 | queue |
| 49 | ); |
| 50 | BOOST_CHECK_EQUAL(shuffled_values.size(), size_t(4)); |
| 51 | BOOST_VERIFY(original_values == shuffled_values); |
| 52 | } |
| 53 | |
| 54 | BOOST_AUTO_TEST_SUITE_END() |