// 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 MCEventLabel class

#define BOOST_TEST_MAIN

#define BOOST_TEST_DYN_LINK

#include <boost/test/unit_test.hpp>

#include "Framework/Logger.h"

#include "SimulationDataFormat/MCEventLabel.h"

#include <TRandom.h>

using namespace o2;

BOOST_AUTO_TEST_CASE(MCEventLabel_test)

{

MCEventLabel lbUndef;

BOOST_CHECK(!lbUndef.isSet()); // test invalid label status

for (int itr = 0; itr < 100; itr++) {

int ev = gRandom->Integer(MCEventLabel::MaxEventID()), src = gRandom->Integer(MCEventLabel::MaxSourceID());

float w = gRandom->Rndm();

MCEventLabel lb(ev, src, w);

LOG(info) << "Input: [" << src << '/' << ev << '/' << w << ']';

LOG(info) << "Encoded: " << lb << " (packed: " << uint32_t(lb) << ")";

int evE, srcE;

float wE;

lb.get(evE, srcE, wE);

LOG(info) << "Decoded: [" << srcE << '/' << evE << '/' << wE << ']';

BOOST_CHECK(ev == evE && src == srcE && std::abs(w - wE) < MCEventLabel::WeightPrecision());

}

}