Core/EventData/TrackContainerComplianceTests.cpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 CERN for the benefit of the ACTS project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
0008
0009 #include "Acts/EventData/MultiTrajectory.hpp"
0010 #include "Acts/EventData/ProxyAccessor.hpp"
0011 #include "Acts/EventData/TrackContainer.hpp"
0012 #include "Acts/EventData/VectorMultiTrajectory.hpp"
0013 #include "Acts/EventData/VectorTrackContainer.hpp"
0014 #include "Acts/Tests/CommonHelpers/NonCompileTestHelpers.hpp"
0015 #include "Acts/Utilities/ThrowAssert.hpp"
0016
0017 using namespace Acts;
0018
0019 ACTS_DOES_NOT_COMPILE_SUITE_BEGIN(BuildFromConstRef)
0020
0021 {
0022   VectorTrackContainer mutVtc;
0023   VectorMultiTrajectory mutMtj;
0024
0025   TrackContainer mutTc{mutVtc, mutMtj};
0026   static_assert(!mutTc.ReadOnly, "Unexpectedly read only");
0027
0028   auto t = mutTc.makeTrack();
0029   t.appendTrackState();
0030   t.appendTrackState();
0031   t.appendTrackState();
0032   t = mutTc.makeTrack();
0033   t.appendTrackState();
0034
0035   ConstVectorTrackContainer vtc{std::move(mutVtc)};
0036   ConstVectorMultiTrajectory mtj{std::move(mutMtj)};
0037
0038   TrackContainer ctc{vtc, mtj};
0039   ACTS_DOES_NOT_COMPILE_BEGIN(AddTrackToConstTrackContainer)
0040   ctc.addTrack();
0041   ACTS_DOES_NOT_COMPILE_END()
0042 }
0043
0044 {  // const correctness
0045   VectorTrackContainer vtc;
0046   VectorMultiTrajectory mtj;
0047   {
0048     TrackContainer tc{vtc, mtj};
0049
0050     ACTS_DOES_NOT_COMPILE_BEGIN(TrackMutateConstProxyRef)
0051     for (const auto track : tc) {
0052       track.parameters().setRandom();
0053     }
0054     ACTS_DOES_NOT_COMPILE_END()
0055   }
0056
0057   ConstVectorTrackContainer cvtc{std::move(vtc)};
0058   ConstVectorMultiTrajectory cmtj{std::move(mtj)};
0059   {
0060     TrackContainer tc{cvtc, cmtj};
0061
0062     ACTS_DOES_NOT_COMPILE_BEGIN(TrackMutateConstProxy)
0063     for (auto track : tc) {
0064       track.parameters().setRandom();
0065     }
0066     ACTS_DOES_NOT_COMPILE_END()
0067   }
0068 }
0069
0070 {
0071   VectorTrackContainer vtc;
0072   VectorMultiTrajectory mtj;
0073   TrackContainer tc{vtc, mtj};
0074   auto t = tc.makeTrack();
0075   (void)t;
0076
0077   ConstProxyAccessor<unsigned int> caccNMeasuements("nMeasurements");
0078   static_cast<void>(caccNMeasuements);  // suppressed unused warning
0079   ACTS_DOES_NOT_COMPILE_BEGIN(ConstAccessorMutate)
0080   caccNMeasuements(t) = 66;
0081   ACTS_DOES_NOT_COMPILE_END()
0082
0083   ACTS_DOES_NOT_COMPILE_BEGIN(MutationThroughContainerConstRef)
0084   const auto& ctc = tc;
0085   ctc.getTrack(idx).covariance().setRandom();
0086   ACTS_DOES_NOT_COMPILE_END()
0087
0088   ACTS_DOES_NOT_COMPILE_BEGIN(MutationThroughProxyConstRef)
0089   const auto& ctp = t;
0090   ctp.covariance().setRandom();
0091   ACTS_DOES_NOT_COMPILE_END()
0092 }
0093
0094 ACTS_DOES_NOT_COMPILE_SUITE_END()