f3eade2f62
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/
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/*
|
|
* Copyright (C) 2015-present ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <vector>
|
|
#include <compare>
|
|
#include <boost/test/unit_test.hpp>
|
|
#include <seastar/util/variant_utils.hh>
|
|
#include <variant>
|
|
#include "test/lib/log.hh"
|
|
|
|
template<typename Comparator, typename... T>
|
|
class total_order_check {
|
|
using element = std::variant<T...>;
|
|
std::vector<std::vector<element>> _data;
|
|
Comparator _cmp;
|
|
private:
|
|
// All in left are expect to compare with all in right with expected_order result
|
|
void check_order(const std::vector<element>& left, const std::vector<element>& right, std::strong_ordering order) {
|
|
for (const element& left_e : left) {
|
|
for (const element& right_e : right) {
|
|
seastar::visit(left_e, [&] (auto&& a) {
|
|
seastar::visit(right_e, [&] (auto&& b) {
|
|
testlog.trace("cmp({}, {}) == {}", a, b, order);
|
|
auto r = _cmp(a, b);
|
|
auto actual = r;
|
|
if (actual != order) {
|
|
BOOST_FAIL(seastar::format("Expected cmp({}, {}) == {}, but got {}", a, b, order, actual));
|
|
}
|
|
});
|
|
});
|
|
}
|
|
}
|
|
}
|
|
public:
|
|
total_order_check(Comparator c = Comparator()) : _cmp(std::move(c)) {}
|
|
|
|
total_order_check& next(element e) {
|
|
_data.push_back(std::vector<element>());
|
|
return equal_to(e);
|
|
}
|
|
|
|
total_order_check& equal_to(element e) {
|
|
_data.back().push_back(e);
|
|
return *this;
|
|
}
|
|
|
|
void check() {
|
|
for (unsigned i = 0; i < _data.size(); ++i) {
|
|
for (unsigned j = 0; j < _data.size(); ++j) {
|
|
check_order(_data[i], _data[j], i <=> j);
|
|
}
|
|
}
|
|
}
|
|
};
|