text: // Copyright (c) 2014-2015 The Newcoin 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 "main.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)
  {
      TestBlockSubsidyHalvings(Params(CBaseChainParams::MAIN).GetConsensus()); // As in main
      TestBlockSubsidyHalvings(150); // As in regtest
      TestBlockSubsidyHalvings(1000); // Just another interval
  }
  
  BOOST_AUTO_TEST_CASE(subsidy_limit_test)
  {
      const Consensus::Params& consensusParams = Params(CBaseChainParams::MAIN).GetConsensus();
      CAmount nSum = 0;
      for (int nHeight = 0; nHeight < 14000000; nHeight += 1000) {
          CAmount nSubsidy = GetBlockSubsidy(nHeight, consensusParams);
          BOOST_CHECK(nSubsidy <= 50 * COIN);
          nSum += nSubsidy * 1000;
          BOOST_CHECK(MoneyRange(nSum));
      }
      BOOST_CHECK_EQUAL(nSum, 2099999997690000ULL);
  }
  
  bool ReturnFalse() { return false; }
  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()
  