text: // Copyright (c) 2014-2018 The Dash Core developers
  
  #include "governance.h"
  
  #include "test/test_selacoin.h"
  
  #include <boost/test/unit_test.hpp>
  
  BOOST_FIXTURE_TEST_SUITE(ratecheck_tests, BasicTestingSetup)
  
  BOOST_AUTO_TEST_CASE(ratecheck_test)
  {
      CRateCheckBuffer buffer;
  
      BOOST_CHECK(buffer.GetCount() == 0);
      BOOST_CHECK(buffer.GetMinTimestamp() == std::numeric_limits<int64_t>::max());
      BOOST_CHECK(buffer.GetMaxTimestamp() == 0);
      BOOST_CHECK(buffer.GetRate() == 0.0);
  
      buffer.AddTimestamp(1);
  
      BOOST_TEST_MESSAGE("buffer.GetMinTimestamp() = " << buffer.GetMinTimestamp());
  
      BOOST_CHECK(buffer.GetCount() == 1);
      BOOST_CHECK(buffer.GetMinTimestamp() == 1);
      BOOST_CHECK(buffer.GetMaxTimestamp() == 1);
      BOOST_CHECK(buffer.GetRate() == 0.0);
  
      buffer.AddTimestamp(2);
      BOOST_CHECK(buffer.GetCount() == 2);
      BOOST_CHECK(buffer.GetMinTimestamp() == 1);
      BOOST_CHECK(buffer.GetMaxTimestamp() == 2);
      //BOOST_CHECK(fabs(buffer.GetRate() - 2.0) < 1.0e-9);
      BOOST_CHECK(buffer.GetRate() == 0.0);
  
      buffer.AddTimestamp(3);
      BOOST_CHECK(buffer.GetCount() == 3);
      BOOST_CHECK(buffer.GetMinTimestamp() == 1);
      BOOST_CHECK(buffer.GetMaxTimestamp() == 3);
  
      int64_t nMin = buffer.GetMinTimestamp();
      int64_t nMax = buffer.GetMaxTimestamp();
      double dRate = buffer.GetRate();
  
      BOOST_TEST_MESSAGE("buffer.GetCount() = " << buffer.GetCount());
      BOOST_TEST_MESSAGE("nMin = " << nMin);
      BOOST_TEST_MESSAGE("nMax = " << nMax);
      BOOST_TEST_MESSAGE("buffer.GetRate() = " << dRate);
  
      //BOOST_CHECK(fabs(buffer.GetRate() - (3.0/2.0)) < 1.0e-9);
      BOOST_CHECK(buffer.GetRate() == 0.0);
  
      buffer.AddTimestamp(4);
      BOOST_CHECK(buffer.GetCount() == 4);
      BOOST_CHECK(buffer.GetMinTimestamp() == 1);
      BOOST_CHECK(buffer.GetMaxTimestamp() == 4);
      //BOOST_CHECK(fabs(buffer.GetRate() - (4.0/3.0)) < 1.0e-9);
      BOOST_CHECK(buffer.GetRate() == 0.0);
  
      buffer.AddTimestamp(5);
      BOOST_CHECK(buffer.GetCount() == 5);
      BOOST_CHECK(buffer.GetMinTimestamp() == 1);
      BOOST_CHECK(buffer.GetMaxTimestamp() == 5);
      BOOST_CHECK(fabs(buffer.GetRate() - (5.0/4.0)) < 1.0e-9);
  
      buffer.AddTimestamp(6);
      BOOST_CHECK(buffer.GetCount() == 5);
      BOOST_CHECK(buffer.GetMinTimestamp() == 2);
      BOOST_CHECK(buffer.GetMaxTimestamp() == 6);
      BOOST_CHECK(fabs(buffer.GetRate() - (5.0/4.0)) < 1.0e-9);
  
      CRateCheckBuffer buffer2;
  
      BOOST_TEST_MESSAGE("Before loop tests");
      for(int64_t i = 1; i < 11; ++i)  {
          BOOST_TEST_MESSAGE("In loop: i = " << i);
          buffer2.AddTimestamp(i);
          BOOST_CHECK(buffer2.GetCount() == (i <= 5 ? i : 5));
          BOOST_CHECK(buffer2.GetMinTimestamp() == std::max(int64_t(1), i - 4));
          BOOST_CHECK(buffer2.GetMaxTimestamp() == i);
      }
  }
  
  BOOST_AUTO_TEST_SUITE_END()
  