bitcoin/src/test/policy_fee_tests.cpp
2020-06-19 09:26:59 -04:00

34 lines
1,005 B
C++

// Copyright (c) 2020 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 <amount.h>
#include <policy/fees.h>
#include <test/util/setup_common.h>
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(policy_fee_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(FeeRounder)
{
FeeFilterRounder fee_rounder{CFeeRate{1000}};
// check that 1000 rounds to 974 or 1071
std::set<CAmount> results;
while (results.size() < 2) {
results.emplace(fee_rounder.round(1000));
}
BOOST_CHECK_EQUAL(*results.begin(), 974);
BOOST_CHECK_EQUAL(*++results.begin(), 1071);
// check that negative amounts rounds to 0
BOOST_CHECK_EQUAL(fee_rounder.round(-0), 0);
BOOST_CHECK_EQUAL(fee_rounder.round(-1), 0);
// check that MAX_MONEY rounds to 9170997
BOOST_CHECK_EQUAL(fee_rounder.round(MAX_MONEY), 9170997);
}
BOOST_AUTO_TEST_SUITE_END()