mirror of
https://github.com/bitcoin/bitcoin.git
synced 2025-02-05 10:17:30 -05:00
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
// Copyright (c) 2021-2022 The Bitcoin Core developers
|
|
// Distributed under the MIT software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#include <minisketch.h>
|
|
#include <node/minisketchwrapper.h>
|
|
#include <random.h>
|
|
#include <test/util/random.h>
|
|
#include <test/util/setup_common.h>
|
|
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
#include <utility>
|
|
|
|
using node::MakeMinisketch32;
|
|
|
|
BOOST_AUTO_TEST_SUITE(minisketch_tests)
|
|
|
|
BOOST_AUTO_TEST_CASE(minisketch_test)
|
|
{
|
|
for (int i = 0; i < 100; ++i) {
|
|
uint32_t errors = 0 + InsecureRandRange(11);
|
|
uint32_t start_a = 1 + InsecureRandRange(1000000000);
|
|
uint32_t a_not_b = InsecureRandRange(errors + 1);
|
|
uint32_t b_not_a = errors - a_not_b;
|
|
uint32_t both = InsecureRandRange(10000);
|
|
uint32_t end_a = start_a + a_not_b + both;
|
|
uint32_t start_b = start_a + a_not_b;
|
|
uint32_t end_b = start_b + both + b_not_a;
|
|
|
|
Minisketch sketch_a = MakeMinisketch32(10);
|
|
for (uint32_t a = start_a; a < end_a; ++a) sketch_a.Add(a);
|
|
Minisketch sketch_b = MakeMinisketch32(10);
|
|
for (uint32_t b = start_b; b < end_b; ++b) sketch_b.Add(b);
|
|
|
|
Minisketch sketch_ar = MakeMinisketch32(10);
|
|
Minisketch sketch_br = MakeMinisketch32(10);
|
|
sketch_ar.Deserialize(sketch_a.Serialize());
|
|
sketch_br.Deserialize(sketch_b.Serialize());
|
|
|
|
Minisketch sketch_c = std::move(sketch_ar);
|
|
sketch_c.Merge(sketch_br);
|
|
auto dec = sketch_c.Decode(errors);
|
|
BOOST_REQUIRE(dec.has_value());
|
|
auto sols = std::move(*dec);
|
|
std::sort(sols.begin(), sols.end());
|
|
for (uint32_t i = 0; i < a_not_b; ++i) BOOST_CHECK_EQUAL(sols[i], start_a + i);
|
|
for (uint32_t i = 0; i < b_not_a; ++i) BOOST_CHECK_EQUAL(sols[i + a_not_b], start_b + both + i);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|