89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/*
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* Copyright 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define BOOST_TEST_DYN_LINK
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#include <random>
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#include <bitset>
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#include <boost/test/unit_test.hpp>
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#include <boost/range/irange.hpp>
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#include <seastar/core/semaphore.hh>
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#include "tests/test-utils.hh"
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#include "utils/flush_queue.hh"
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#include <iostream>
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std::random_device rd;
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std::default_random_engine e1(rd());
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SEASTAR_TEST_CASE(test_queue_ordering_random_ops) {
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struct env {
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env(size_t n) : promises(n) {}
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utils::flush_queue<int> queue;
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std::vector<promise<>> promises;
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std::vector<int> result;
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promise<> end;
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};
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auto r = boost::irange(0, 20);
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return do_for_each(r, [](int) {
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constexpr size_t num_ops = 1000;
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auto e = make_lw_shared<env>(num_ops);
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int i = 0;
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for (auto& p : e->promises) {
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e->queue.run_with_ordered_post_op(i, [&p] {
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return p.get_future();
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}, [i, e] {
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//std::cout << "POST " << i << "(" << e->result.size() << ")" << std::endl;
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e->result.emplace_back(i);
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if (e->result.size() == e->promises.size()) {
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e->end.set_value();
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}
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});
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++i;
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}
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std::uniform_int_distribution<size_t> dist(0, num_ops - 1);
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std::bitset<num_ops> set;
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while (!set.all()) {
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size_t i = dist(e1);
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if (!set.test(i)) {
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//std::cout << "SET " << i << "(" << e->result.size() << ")" << std::endl;
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set[i] = true;
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e->promises[i].set_value();
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}
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}
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return e->end.get_future().then([e] {
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BOOST_CHECK_EQUAL(e->result.size(), e->promises.size());
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BOOST_REQUIRE(std::is_sorted(e->result.begin(), e->result.end()));
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}).finally([e] {
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//std::cout << "Bulle" << std::endl;
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});
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});
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}
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