Files
scylladb/test/unit/radix_tree_compaction_test.cc
Pavel Emelyanov aa85bc790b test: Add tests for radix tree
Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>
2021-02-15 20:27:00 +03:00

127 lines
3.8 KiB
C++

/*
* Copyright (C) 2021 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include <seastar/core/app-template.hh>
#include <seastar/core/thread.hh>
#include <map>
#include <vector>
#include <random>
#include <string>
#include <iostream>
#include <fmt/core.h>
#include "utils/logalloc.hh"
#include "utils/compact-radix-tree.hh"
#include "radix_tree_printer.hh"
#include "collection_stress.hh"
using namespace compact_radix_tree;
using namespace seastar;
class test_data {
unsigned long *_data;
unsigned long _val;
public:
test_data(unsigned long val) : _data(new unsigned long(val)), _val(val) {}
test_data(const test_data&) = delete;
test_data(test_data&& o) noexcept : _data(std::exchange(o._data, nullptr)), _val(o._val) {}
~test_data() {
if (_data != nullptr) {
delete _data;
}
}
unsigned long value() const {
return _data == nullptr ? _val + 0x80000000 : *_data;
}
};
std::ostream& operator<<(std::ostream& out, const test_data& d) {
out << d.value();
return out;
}
using test_tree = tree<test_data>;
int main(int argc, char **argv) {
namespace bpo = boost::program_options;
app_template app;
app.add_options()
("count", bpo::value<int>()->default_value(132564), "number of indices to fill the tree with")
("iters", bpo::value<int>()->default_value(32), "number of iterations")
("verb", bpo::value<bool>()->default_value(false), "be verbose");
return app.run(argc, argv, [&app] {
auto count = app.configuration()["count"].as<int>();
auto iter = app.configuration()["iters"].as<int>();
auto verb = app.configuration()["verb"].as<bool>();
return seastar::async([count, iter, verb] {
tree_pointer<test_tree> t;
stress_config cfg;
cfg.count = count;
cfg.iters = 1;
cfg.keys = "rand";
cfg.verb = verb;
unsigned col_size = 0;
for (int i = 0; i < iter; i++) {
stress_compact_collection(cfg,
/* insert */ [&] (int key) {
t->emplace(key, key);
col_size++;
},
/* erase */ [&] (int key) {
t->erase(key);
col_size--;
},
/* validate */ [&] {
if (verb) {
compact_radix_tree::printer<test_data, unsigned>::show(*t);
}
int nr = 0;
auto ti = t->begin();
while (ti != t->end()) {
assert(ti->value() == ti.key());
nr++;
ti++;
}
assert(nr == col_size);
},
/* clear */ [&] {
t->clear();
col_size = 0;
}
);
if (cfg.count < 4) {
cfg.count = count / 3;
} else {
cfg.count /= 2;
}
}
});
});
}