testSampaBunchCrossingCounter.cxx

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#define BOOST_TEST_MODULE Test MCHRaw SampaBunchCrossingCounter
#define BOOST_TEST_MAIN
#define BOOST_TEST_DYN_LINK
 
#include <boost/test/unit_test.hpp>
#include "MCHRawCommon/SampaBunchCrossingCounter.h"
#include "MCHRawCommon/CoDecParam.h"
 
using namespace o2::mch::raw;
 
constexpr uint32_t BXMAX = (1 << 20) - 1;
 
BOOST_AUTO_TEST_SUITE(o2_mch_raw)
 
BOOST_AUTO_TEST_SUITE(sampatime)
 
BOOST_AUTO_TEST_CASE(SampaBunchCrossingCounterToIRConversionMustThrowIfBxDoesNotFitIn20Bits)
{
  uint32_t bx = BXMAX + 1;
  BOOST_CHECK_THROW(orbitBC(bx, 0),
                    std::invalid_argument);
}
 
BOOST_AUTO_TEST_CASE(SampaBunchCrossingCounterToIRConversionMustNotThrowIfBxFitIn20Bits)
{
  uint32_t bx = BXMAX;
  BOOST_CHECK_NO_THROW(orbitBC(bx, 0));
}
 
BOOST_AUTO_TEST_CASE(SampaBunchCrossingCounterSpansABitLessThan294Orbits)
{
  uint32_t bx = BXMAX;
  auto [orbit, bc] = orbitBC(bx, 0);
  BOOST_CHECK_EQUAL(orbit, 294);
  BOOST_CHECK_EQUAL(bc, 759);
}
 
BOOST_AUTO_TEST_CASE(Orbit294BC759MakesSampaBXCounterRolloverFromFirstOrbitZero)
{
  auto bx = sampaBunchCrossingCounter(294, 759, 0);
  BOOST_CHECK_EQUAL(bx, 0);
}
 
BOOST_AUTO_TEST_CASE(Orbit294BC759MakesSampaBXCounterRolloverFromAnyFirstOrbit)
{
  uint32_t firstOrbit = 12345;
  auto bx = sampaBunchCrossingCounter(294 + firstOrbit, 759, firstOrbit);
  BOOST_CHECK_EQUAL(bx, 0);
}
 
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()