Core/Geometry/TrackingVolumeTests.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 <boost/test/unit_test.hpp>
0010
0011 #include "Acts/Definitions/Units.hpp"
0012 #include "Acts/Geometry/CylinderVolumeBounds.hpp"
0013 #include "Acts/Geometry/TrackingVolume.hpp"
0014
0015 using namespace Acts::UnitLiterals;
0016
0017 namespace Acts::Test {
0018
0019 BOOST_AUTO_TEST_SUITE(Geometry)
0020 BOOST_AUTO_TEST_SUITE(TrackingVolumeTests)
0021
0022 std::size_t countVolumes(const TrackingVolume& tv) {
0023   std::size_t count = 0;
0024   tv.visitVolumes([&count](const auto&) { ++count; });
0025   return count;
0026 }
0027
0028 BOOST_AUTO_TEST_CASE(TrackigVolumeChildren) {
0029   auto cylBounds =
0030       std::make_shared<Acts::CylinderVolumeBounds>(10_mm, 20_mm, 100_mm);
0031
0032   TrackingVolume tv{Transform3::Identity(), cylBounds};
0033
0034   BOOST_CHECK(tv.volumes().empty());
0035   BOOST_CHECK_EQUAL(countVolumes(tv), 1);
0036
0037   auto& child1 = tv.addVolume(
0038       std::make_unique<TrackingVolume>(Transform3::Identity(), cylBounds));
0039
0040   BOOST_CHECK_EQUAL(tv.volumes().size(), 1);
0041
0042   auto it = tv.volumes().begin();
0043   static_assert(std::is_same_v<decltype(*it), TrackingVolume&>);
0044
0045   const auto& tvConst = tv;
0046   auto cit = tvConst.volumes().begin();
0047   static_assert(std::is_same_v<decltype(*cit), const TrackingVolume&>);
0048
0049   BOOST_CHECK_EQUAL(&*it, &child1);
0050
0051   BOOST_CHECK_EQUAL(countVolumes(tv), 2);
0052
0053   tv.addVolume(
0054       std::make_unique<TrackingVolume>(Transform3::Identity(), cylBounds));
0055
0056   BOOST_CHECK_EQUAL(countVolumes(tv), 3);
0057 }
0058
0059 BOOST_AUTO_TEST_SUITE_END()
0060
0061 BOOST_AUTO_TEST_SUITE_END()
0062
0063 }  // namespace Acts::Test