Files
scylladb/test/boost/log_heap_test.cc
Avi Kivity f3eade2f62 treewide: relicense to ScyllaDB-Source-Available-1.0
Drop the AGPL license in favor of a source-available license.
See the blog post [1] for details.

[1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
2024-12-18 17:45:13 +02:00

91 lines
2.3 KiB
C++

/*
* Copyright (C) 2017-present ScyllaDB
*/
/*
* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
*/
#define BOOST_TEST_MODULE core
#include <boost/test/unit_test.hpp>
#include "utils/assert.hh"
#include "utils/log_heap.hh"
template<const log_heap_options& opts>
struct node : public log_heap_hook<opts> {
size_t v;
node(size_t v) : v(v) {}
};
template<const log_heap_options& opts>
void test_with_options() {
std::vector<std::unique_ptr<node<opts>>> nodes;
log_heap<node<opts>, opts> hist;
BOOST_REQUIRE(hist.empty());
unsigned i = 0;
for (; i < opts.min_size; ++i) {
nodes.push_back(std::make_unique<node<opts>>(i));
hist.push(*nodes.back());
BOOST_REQUIRE(!hist.contains_above_min());
BOOST_REQUIRE(!hist.empty());
}
for (; i <= opts.max_size; ++i) {
nodes.push_back(std::make_unique<node<opts>>(i));
hist.push(*nodes.back());
BOOST_REQUIRE(hist.contains_above_min());
BOOST_REQUIRE(!hist.empty());
}
size_t count = 0;
// Check monotonicity of buckets
size_t prev_key = 0;
for (auto&& bucket : hist.buckets()) {
size_t max_key = 0;
for (auto&& t : bucket) {
++count;
auto key = t.v;
if (prev_key) {
SCYLLA_ASSERT(key > prev_key);
}
max_key = std::max(max_key, key);
}
if (max_key) {
prev_key = max_key;
}
}
BOOST_REQUIRE(count == (opts.max_size + 1));
}
extern constexpr log_heap_options opts1{(1 << 4) + 3, 3, (1 << 6) + 2};
extern constexpr log_heap_options opts2{(1 << 4) + 2, 1, (1 << 17) + 2};
extern constexpr log_heap_options opts3{(1 << 4) + 1, 0, (1 << 17) + 2};
extern constexpr log_heap_options opts4{(1 << 4) + 0, 3, (1 << 17)};
template<>
size_t hist_key<node<opts1>>(const node<opts1>& n) { return n.v; }
template<>
size_t hist_key<node<opts2>>(const node<opts2>& n) { return n.v; }
template<>
size_t hist_key<node<opts3>>(const node<opts3>& n) { return n.v; }
template<>
size_t hist_key<node<opts4>>(const node<opts4>& n) { return n.v; }
BOOST_AUTO_TEST_CASE(test_log_heap) {
test_with_options<opts1>();
test_with_options<opts2>();
test_with_options<opts3>();
test_with_options<opts4>();
}