Core/Definitions/DirectionTests.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/Algebra.hpp"
0012 #include "Acts/Definitions/Direction.hpp"
0013
0014 #include <string>
0015
0016 using namespace Acts;
0017
0018 BOOST_AUTO_TEST_SUITE(DefinitionsDirection)
0019
0020 BOOST_AUTO_TEST_CASE(DirectionTests) {
0021   constexpr Direction bwd = Direction::Backward();
0022   constexpr Direction fwd = Direction::Forward();
0023
0024   BOOST_CHECK_EQUAL(bwd, Direction::Negative());
0025   BOOST_CHECK_EQUAL(fwd, Direction::Positive());
0026
0027   BOOST_CHECK_EQUAL(Direction::fromScalar(-1.), bwd);
0028   BOOST_CHECK_EQUAL(Direction::fromScalar(1.), fwd);
0029   BOOST_CHECK_EQUAL(Direction::fromScalarZeroAsPositive(0), fwd);
0030
0031   BOOST_CHECK_EQUAL(Direction::fromIndex(0), bwd);
0032   BOOST_CHECK_EQUAL(Direction::fromIndex(1), fwd);
0033
0034   BOOST_CHECK_EQUAL(bwd.index(), 0u);
0035   BOOST_CHECK_EQUAL(fwd.index(), 1u);
0036
0037   BOOST_CHECK_EQUAL(bwd.sign(), -1);
0038   BOOST_CHECK_EQUAL(fwd.sign(), +1);
0039
0040   BOOST_CHECK_EQUAL(bwd.invert(), fwd);
0041   BOOST_CHECK_EQUAL(fwd.invert(), bwd);
0042
0043   BOOST_CHECK_EQUAL(bwd.toString(), "backward");
0044   BOOST_CHECK_EQUAL(fwd.toString(), "forward");
0045
0046   BOOST_CHECK_EQUAL(2. * fwd, 2.);
0047   BOOST_CHECK_EQUAL(7 * fwd, 7);
0048   BOOST_CHECK_EQUAL(Vector3(1., 1., 1.) * fwd, Vector3(1., 1., 1.));
0049
0050   BOOST_CHECK_EQUAL(2. * bwd, -2.);
0051   BOOST_CHECK_EQUAL(7 * bwd, -7);
0052   BOOST_CHECK_EQUAL(Vector3(1., 1., 1.) * bwd, Vector3(-1., -1., -1.));
0053
0054   double a = 7.;
0055   a *= fwd;
0056   BOOST_CHECK_EQUAL(a, 7.);
0057   a *= bwd;
0058   BOOST_CHECK_EQUAL(a, -7.);
0059
0060   float b = 8.;
0061   b *= fwd;
0062   BOOST_CHECK_EQUAL(b, 8.);
0063   b *= bwd;
0064   BOOST_CHECK_EQUAL(b, -8.);
0065
0066   Vector3 c(9., 9., 9.);
0067   c *= fwd;
0068   BOOST_CHECK_EQUAL(c, Vector3(9., 9., 9.));
0069   c *= bwd;
0070   BOOST_CHECK_EQUAL(c, Vector3(-9., -9., -9.));
0071 }
0072
0073 BOOST_AUTO_TEST_SUITE_END()