src/test/main_tests.cpp

   1 // Copyright (c) 2014-2016 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 "validation.h"
   7 #include "net.h"
   8
   9 #include "test/test_bitcoin.h"
  10
  11 #include <boost/signals2/signal.hpp>
  12 #include <boost/test/unit_test.hpp>
  13
  14 BOOST_FIXTURE_TEST_SUITE(main_tests, TestingSetup)
  15
  16 static void TestBlockSubsidyHalvings(const Consensus::Params& consensusParams)
  17 {
  18     int maxHalvings = 64;
  19     CAmount nInitialSubsidy = 50 * COIN;
  20
  21     CAmount nPreviousSubsidy = nInitialSubsidy * 2; // for height == 0
  22     BOOST_CHECK_EQUAL(nPreviousSubsidy, nInitialSubsidy * 2);
  23     for (int nHalvings = 0; nHalvings < maxHalvings; nHalvings++) {
  24         int nHeight = nHalvings * consensusParams.nSubsidyHalvingInterval;
  25         CAmount nSubsidy = GetBlockSubsidy(nHeight, consensusParams);
  26         BOOST_CHECK(nSubsidy <= nInitialSubsidy);
  27         BOOST_CHECK_EQUAL(nSubsidy, nPreviousSubsidy / 2);
  28         nPreviousSubsidy = nSubsidy;
  29     }
  30     BOOST_CHECK_EQUAL(GetBlockSubsidy(maxHalvings * consensusParams.nSubsidyHalvingInterval, consensusParams), 0);
  31 }
  32
  33 static void TestBlockSubsidyHalvings(int nSubsidyHalvingInterval)
  34 {
  35     Consensus::Params consensusParams;
  36     consensusParams.nSubsidyHalvingInterval = nSubsidyHalvingInterval;
  37     TestBlockSubsidyHalvings(consensusParams);
  38 }
  39
  40 BOOST_AUTO_TEST_CASE(block_subsidy_test)
  41 {
  42     const auto chainParams = CreateChainParams(CBaseChainParams::MAIN);
  43     TestBlockSubsidyHalvings(chainParams->GetConsensus()); // As in main
  44     TestBlockSubsidyHalvings(150); // As in regtest
  45     TestBlockSubsidyHalvings(1000); // Just another interval
  46 }
  47
  48 BOOST_AUTO_TEST_CASE(subsidy_limit_test)
  49 {
  50     const auto chainParams = CreateChainParams(CBaseChainParams::MAIN);
  51     CAmount nSum = 0;
  52     for (int nHeight = 0; nHeight < 14000000; nHeight += 1000) {
  53         CAmount nSubsidy = GetBlockSubsidy(nHeight, chainParams->GetConsensus());
  54         BOOST_CHECK(nSubsidy <= 50 * COIN);
  55         nSum += nSubsidy * 1000;
  56         BOOST_CHECK(MoneyRange(nSum));
  57     }
  58     BOOST_CHECK_EQUAL(nSum, 2099999997690000ULL);
  59 }
  60
  61 bool ReturnFalse() { return false; }
  62 bool ReturnTrue() { return true; }
  63
  64 BOOST_AUTO_TEST_CASE(test_combiner_all)
  65 {
  66     boost::signals2::signal<bool (), CombinerAll> Test;
  67     BOOST_CHECK(Test());
  68     Test.connect(&ReturnFalse);
  69     BOOST_CHECK(!Test());
  70     Test.connect(&ReturnTrue);
  71     BOOST_CHECK(!Test());
  72     Test.disconnect(&ReturnFalse);
  73     BOOST_CHECK(Test());
  74     Test.disconnect(&ReturnTrue);
  75     BOOST_CHECK(Test());
  76 }
  77 BOOST_AUTO_TEST_SUITE_END()