Function fill_position_hint_map

test/flat_map_unittest.cpp:607–627

typedef butil::FlatMap<uint64_t, uint64_t> PositionHintMap;

static void fill_position_hint_map(PositionHintMap* map,
                                   std::vector<uint64_t>* keys) {
    srand(time(NULL));
    const size_t N = 5;
    if (!map->initialized()) {
        ASSERT_EQ(0, map->init(N * 3 / 2, 80));
    }

    keys->reserve(N);
    keys->clear();
    map->clear();
    for (size_t i = 0; i < N; ++i) {
        uint64_t key = rand();
        if (map->seek(key)) {
            continue;
        }
        keys->push_back(key);
        (*map)[key] = i;
    }
    LOG(INFO) << map->bucket_info() << ", size=" << map->size();
}

struct CountOnPause {
    CountOnPause() : num_paused(0) {}