// 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 MCTrack class

#define BOOST_TEST_MAIN

#define BOOST_TEST_DYN_LINK

#include <boost/test/unit_test.hpp>

#include "SimulationDataFormat/MCTrack.h"

#include "DetectorsCommonDataFormats/DetID.h"

#include "TFile.h"

#include "TParticle.h"

#include "TMCProcess.h"

using namespace o2;

BOOST_AUTO_TEST_CASE(MCTrack_test)

{

MCTrack track;

// auxiliary lookup table needed to fetch and set hit properties

std::vector<int> hitLUT(o2::detectors::DetID::nDetectors, -1);

// in this test we have a single fictional detector 1, which we map to

// the first bit

hitLUT[1] = 0;

// check properties on default constructed object

BOOST_CHECK(track.getStore() == false);

for (auto i = o2::detectors::DetID::First; i < o2::detectors::DetID::nDetectors; ++i) {

BOOST_CHECK(track.leftTrace(i, hitLUT) == false);

}

BOOST_CHECK(track.getNumDet() == 0);

BOOST_CHECK(track.hasHits() == false);

// check storing

track.setStore(true);

BOOST_CHECK(track.getStore() == true);

track.setStore(false);

BOOST_CHECK(track.getStore() == false);

track.setStore(true);

BOOST_CHECK(track.getStore() == true);

// set hit for first detector

BOOST_CHECK(track.leftTrace(1, hitLUT) == false);

track.setHit(hitLUT[1]);

BOOST_CHECK(track.hasHits() == true);

BOOST_CHECK(track.leftTrace(1, hitLUT) == true);

BOOST_CHECK(track.getNumDet() == 1);

// check process encoding

track.setProcess(TMCProcess::kPPrimary);

BOOST_CHECK(track.getProcess() == TMCProcess::kPPrimary);

track.setProcess(TMCProcess::kPTransportation);

BOOST_CHECK(track.getProcess() == TMCProcess::kPTransportation);

{

// serialize it

TFile f("MCTrackOut.root", "RECREATE");

f.WriteObject(&track, "MCTrack");

f.Close();

}

{

MCTrack* intrack = nullptr;

TFile f("MCTrackOut.root", "OPEN");

f.GetObject("MCTrack", intrack);

BOOST_CHECK(intrack->getStore() == true);

BOOST_CHECK(intrack->hasHits() == true);

}

}