mirror of https://github.com/bitcoin/bitcoin.git
70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
// Copyright (c) 2024-present The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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//
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#include <node/timeoffsets.h>
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#include <test/util/setup_common.h>
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#include <boost/test/unit_test.hpp>
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#include <chrono>
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#include <vector>
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using namespace std::chrono_literals;
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static void AddMulti(TimeOffsets& offsets, const std::vector<std::chrono::seconds>& to_add)
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{
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for (auto offset : to_add) {
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offsets.Add(offset);
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}
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}
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BOOST_FIXTURE_TEST_SUITE(timeoffsets_tests, BasicTestingSetup)
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BOOST_AUTO_TEST_CASE(timeoffsets)
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{
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TimeOffsets offsets{};
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BOOST_CHECK(offsets.Median() == 0s);
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AddMulti(offsets, {{0s, -1s, -2s, -3s}});
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// median should be zero for < 5 offsets
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BOOST_CHECK(offsets.Median() == 0s);
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offsets.Add(-4s);
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// we now have 5 offsets: [-4, -3, -2, -1, 0]
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BOOST_CHECK(offsets.Median() == -2s);
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AddMulti(offsets, {4, 5s});
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// we now have 9 offsets: [-4, -3, -2, -1, 0, 5, 5, 5, 5]
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BOOST_CHECK(offsets.Median() == 0s);
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AddMulti(offsets, {41, 10s});
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// the TimeOffsets is now at capacity with 50 offsets, oldest offsets is discarded for any additional offset
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BOOST_CHECK(offsets.Median() == 10s);
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AddMulti(offsets, {25, 15s});
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// we now have 25 offsets of 10s followed by 25 offsets of 15s
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BOOST_CHECK(offsets.Median() == 15s);
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}
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static bool IsWarningRaised(const std::vector<std::chrono::seconds>& check_offsets)
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{
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TimeOffsets offsets{};
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AddMulti(offsets, check_offsets);
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return offsets.WarnIfOutOfSync();
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}
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BOOST_AUTO_TEST_CASE(timeoffsets_warning)
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{
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BOOST_CHECK(IsWarningRaised({{-60min, -40min, -30min, 0min, 10min}}));
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BOOST_CHECK(IsWarningRaised({5, 11min}));
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BOOST_CHECK(!IsWarningRaised({4, 60min}));
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BOOST_CHECK(!IsWarningRaised({100, 3min}));
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}
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BOOST_AUTO_TEST_SUITE_END()
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