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// Copyright (c) 2014-2018 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 <chainparams.h>
#include <validation.h>
#include <net.h>
#include <test/test_bitcoin.h>
#include <boost/signals2/signal.hpp>
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(main_tests, TestingSetup)
static void TestBlockSubsidyHalvings(const Consensus::Params& consensusParams)
{
int maxHalvings = 64;
CAmount nInitialSubsidy = 50 * COIN;
CAmount nPreviousSubsidy = nInitialSubsidy * 2; // for height == 0
BOOST_CHECK_EQUAL(nPreviousSubsidy, nInitialSubsidy * 2);
for (int nHalvings = 0; nHalvings < maxHalvings; nHalvings++) {
int nHeight = nHalvings * consensusParams.nSubsidyHalvingInterval;
CAmount nSubsidy = GetBlockSubsidy(nHeight, consensusParams);
BOOST_CHECK(nSubsidy <= nInitialSubsidy);
BOOST_CHECK_EQUAL(nSubsidy, nPreviousSubsidy / 2);
nPreviousSubsidy = nSubsidy;
}
BOOST_CHECK_EQUAL(GetBlockSubsidy(maxHalvings * consensusParams.nSubsidyHalvingInterval, consensusParams), 0);
}
static void TestBlockSubsidyHalvings(int nSubsidyHalvingInterval)
{
Consensus::Params consensusParams;
consensusParams.nSubsidyHalvingInterval = nSubsidyHalvingInterval;
TestBlockSubsidyHalvings(consensusParams);
}
BOOST_AUTO_TEST_CASE(block_subsidy_test)
{
const auto chainParams = CreateChainParams(CBaseChainParams::MAIN);
TestBlockSubsidyHalvings(chainParams->GetConsensus()); // As in main
TestBlockSubsidyHalvings(150); // As in regtest
TestBlockSubsidyHalvings(1000); // Just another interval
}
BOOST_AUTO_TEST_CASE(subsidy_limit_test)
{
const auto chainParams = CreateChainParams(CBaseChainParams::MAIN);
CAmount nSum = 0;
for (int nHeight = 0; nHeight < 14000000; nHeight += 1000) {
CAmount nSubsidy = GetBlockSubsidy(nHeight, chainParams->GetConsensus());
BOOST_CHECK(nSubsidy <= 50 * COIN);
nSum += nSubsidy * 1000;
BOOST_CHECK(MoneyRange(nSum));
}
BOOST_CHECK_EQUAL(nSum, CAmount{2099999997690000});
}
static bool ReturnFalse() { return false; }
static bool ReturnTrue() { return true; }
BOOST_AUTO_TEST_CASE(test_combiner_all)
{
boost::signals2::signal<bool (), CombinerAll> Test;
BOOST_CHECK(Test());
Test.connect(&ReturnFalse);
BOOST_CHECK(!Test());
Test.connect(&ReturnTrue);
BOOST_CHECK(!Test());
Test.disconnect(&ReturnFalse);
BOOST_CHECK(Test());
Test.disconnect(&ReturnTrue);
BOOST_CHECK(Test());
}
BOOST_AUTO_TEST_SUITE_END()
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