src/test/main_tests.cpp

   1 // Copyright (c) 2014 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #include "chainparams.h"
   6 #include "main.h"
   7
   8 #include "test/test_bitcoin.h"
   9
  10 #include <boost/signals2/signal.hpp>
  11 #include <boost/test/unit_test.hpp>
  12
  13 BOOST_FIXTURE_TEST_SUITE(main_tests, TestingSetup)
  14
  15 static void TestBlockSubsidyHalvings(const Consensus::Params& consensusParams)
  16 {
  17     int maxHalvings = 64;
  18     CAmount nInitialSubsidy = 50 * COIN;
  19
  20     CAmount nPreviousSubsidy = nInitialSubsidy * 2; // for height == 0
  21     BOOST_CHECK_EQUAL(nPreviousSubsidy, nInitialSubsidy * 2);
  22     for (int nHalvings = 0; nHalvings < maxHalvings; nHalvings++) {
  23         int nHeight = nHalvings * consensusParams.nSubsidyHalvingInterval;
  24         CAmount nSubsidy = GetBlockSubsidy(nHeight, consensusParams);
  25         BOOST_CHECK(nSubsidy <= nInitialSubsidy);
  26         BOOST_CHECK_EQUAL(nSubsidy, nPreviousSubsidy / 2);
  27         nPreviousSubsidy = nSubsidy;
  28     }
  29     BOOST_CHECK_EQUAL(GetBlockSubsidy(maxHalvings * consensusParams.nSubsidyHalvingInterval, consensusParams), 0);
  30 }
  31
  32 static void TestBlockSubsidyHalvings(int nSubsidyHalvingInterval)
  33 {
  34     Consensus::Params consensusParams;
  35     consensusParams.nSubsidyHalvingInterval = nSubsidyHalvingInterval;
  36     TestBlockSubsidyHalvings(consensusParams);
  37 }
  38
  39 BOOST_AUTO_TEST_CASE(block_subsidy_test)
  40 {
  41     TestBlockSubsidyHalvings(Params(CBaseChainParams::MAIN).GetConsensus()); // As in main
  42     TestBlockSubsidyHalvings(150); // As in regtest
  43     TestBlockSubsidyHalvings(1000); // Just another interval
  44 }
  45
  46 BOOST_AUTO_TEST_CASE(subsidy_limit_test)
  47 {
  48     const Consensus::Params& consensusParams = Params(CBaseChainParams::MAIN).GetConsensus();
  49     CAmount nSum = 0;
  50     for (int nHeight = 0; nHeight < 14000000; nHeight += 1000) {
  51         CAmount nSubsidy = GetBlockSubsidy(nHeight, consensusParams);
  52         BOOST_CHECK(nSubsidy <= 50 * COIN);
  53         nSum += nSubsidy * 1000;
  54         BOOST_CHECK(MoneyRange(nSum));
  55     }
  56     BOOST_CHECK_EQUAL(nSum, 2099999997690000ULL);
  57 }
  58
  59 bool ReturnFalse() { return false; }
  60 bool ReturnTrue() { return true; }
  61
  62 BOOST_AUTO_TEST_CASE(test_combiner_all)
  63 {
  64     boost::signals2::signal<bool (), CombinerAll> Test;
  65     BOOST_CHECK(Test());
  66     Test.connect(&ReturnFalse);
  67     BOOST_CHECK(!Test());
  68     Test.connect(&ReturnTrue);
  69     BOOST_CHECK(!Test());
  70     Test.disconnect(&ReturnFalse);
  71     BOOST_CHECK(Test());
  72     Test.disconnect(&ReturnTrue);
  73     BOOST_CHECK(Test());
  74 }
  75 BOOST_AUTO_TEST_SUITE_END()