mirror of https://github.com/bitcoin/bitcoin.git
36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
// Copyright (c) 2020-2021 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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#include <consensus/amount.h>
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#include <policy/fees.h>
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#include <boost/test/unit_test.hpp>
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#include <set>
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BOOST_AUTO_TEST_SUITE(policy_fee_tests)
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BOOST_AUTO_TEST_CASE(FeeRounder)
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{
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FastRandomContext rng{/*fDeterministic=*/true};
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FeeFilterRounder fee_rounder{CFeeRate{1000}, rng};
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// check that 1000 rounds to 974 or 1071
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std::set<CAmount> results;
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while (results.size() < 2) {
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results.emplace(fee_rounder.round(1000));
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}
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BOOST_CHECK_EQUAL(*results.begin(), 974);
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BOOST_CHECK_EQUAL(*++results.begin(), 1071);
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// check that negative amounts rounds to 0
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BOOST_CHECK_EQUAL(fee_rounder.round(-0), 0);
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BOOST_CHECK_EQUAL(fee_rounder.round(-1), 0);
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// check that MAX_MONEY rounds to 9170997
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BOOST_CHECK_EQUAL(fee_rounder.round(MAX_MONEY), 9170997);
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}
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BOOST_AUTO_TEST_SUITE_END()
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