66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
#include "common.h"
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constexpr size_t THREADS_NO = std::min(max_no_threads, 8);
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constexpr size_t key_range = 1e4;
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constexpr size_t op_per_thread = 1e5;
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constexpr size_t no_insert_for_one_delete = 2;
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// TODO: document the test
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// This test checks set.
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// Each thread removes random data. So removes are joint.
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// Calls of remove method are interleaved with insert calls.
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int main()
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{
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init_log();
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memory_check(THREADS_NO, [] {
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set_t skiplist;
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auto futures = run<std::vector<long>>(
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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<long> set(key_range);
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do {
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size_t num = rand();
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if (rand_op()) {
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if (acc.remove(num)) {
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downcount--;
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set[num]--;
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}
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} else {
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if (acc.insert(num).second) {
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downcount--;
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set[num]++;
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}
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}
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} while (downcount > 0);
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return set;
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});
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long set[key_range] = {0};
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for (auto &data : collect(futures)) {
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for (int i = 0; i < key_range; i++) {
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set[i] += data.second[i];
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}
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}
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auto accessor = skiplist.access();
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for (int i = 0; i < key_range; i++) {
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permanent_assert(set[i] == 0 || set[i] == 1 ||
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(set[i] == 1) ^ accessor.contains(i),
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"Set doesn't hold it's guarantees.");
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}
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for (auto &e : accessor) {
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set[e]--;
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}
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check_zero(key_range, set, "Set");
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});
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}
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