a01c26439b
Summary: - Removed a lot of stuff that was incorrect and/or unnecessary - Fixed const-correctness in the skiplist family Reviewers: dgleich, teon.banek, buda Reviewed By: dgleich Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D1351
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
#include "common.hpp"
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constexpr size_t THREADS_NO = std::min(max_no_threads, 8);
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constexpr size_t key_range = 1e5;
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constexpr size_t op_per_thread = 1e6;
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constexpr size_t no_insert_for_one_delete = 1;
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// TODO: document the test
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// This test checks remove method under pressure.
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// Each thread removes it's own data. So removes are disjoint.
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// Calls of remove method are interleaved with insert calls.
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int main(int, char **argv) {
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google::InitGoogleLogging(argv[0]);
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map_t skiplist;
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auto futures =
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run<std::vector<size_t>>(THREADS_NO, skiplist, [](auto acc, auto index) {
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auto rand = rand_gen(key_range);
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auto rand_op = rand_gen_bool(no_insert_for_one_delete);
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long long downcount = op_per_thread;
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std::vector<size_t> owned;
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do {
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if (owned.size() != 0 && rand_op()) {
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auto rem = rand() % owned.size();
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CHECK(acc.remove(owned[rem])) << "Owned data removed";
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owned.erase(owned.begin() + rem);
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downcount--;
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} else {
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auto key = rand();
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if (acc.insert(key, index).second) {
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downcount--;
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owned.push_back(key);
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}
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}
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} while (downcount > 0);
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check_present_same(acc, index, owned);
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return owned;
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});
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auto accessor = skiplist.access();
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size_t count = 0;
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for (auto &owned : collect(futures)) {
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check_present_same(accessor, owned);
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count += owned.second.size();
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}
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check_size(accessor, count);
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check_order(accessor);
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return 0;
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}
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