memgraph/tests/concurrent/sl_insert.cpp
2016-12-22 19:22:45 +01:00

46 lines
1.3 KiB
C++

#include "common.h"
constexpr size_t THREADS_NO = std::min(max_no_threads, 8);
constexpr size_t elems_per_thread = 100000;
constexpr size_t key_range = elems_per_thread * THREADS_NO * 2;
// TODO: document the test
// This test checks insert_unique method under pressure.
// Test checks for missing data and changed/overwriten data.
int main()
{
init_log();
memory_check(THREADS_NO, [] {
map_t skiplist;
auto futures = run<std::vector<size_t>>(
THREADS_NO, skiplist, [](auto acc, auto index) {
auto rand = rand_gen(key_range);
long long downcount = elems_per_thread;
std::vector<size_t> owned;
auto inserter =
insert_try<size_t, size_t, map_t>(acc, downcount, owned);
do
{
inserter(rand(), index);
} while (downcount > 0);
check_present_same<map_t>(acc, index, owned);
return owned;
});
auto accessor = skiplist.access();
for (auto &owned : collect(futures))
{
check_present_same<map_t>(accessor, owned);
}
check_size<map_t>(accessor, THREADS_NO * elems_per_thread);
check_order<map_t>(accessor);
});
}