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MaterialTests.cpp
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file MaterialTests.cpp
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// This file is part of the Acts project.
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//
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// Copyright (C) 2017-2018 CERN for the benefit of the Acts project
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include <boost/test/unit_test.hpp>
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#include <limits>
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#include "
Acts/Material/Material.hpp
"
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#include "
Acts/Tests/CommonHelpers/FloatComparisons.hpp
"
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#include "
Acts/Tests/CommonHelpers/PredefinedMaterials.hpp
"
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#include "
Acts/Utilities/Units.hpp
"
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using namespace
Acts::UnitLiterals;
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static
constexpr
auto
eps
= 2 *
std::numeric_limits<float>::epsilon
();
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// manually calculated derived values for silicon
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static
constexpr
float
SiNe
= 1.160954941 / 1_cm3;
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static
constexpr
float
SiI
= 172.042290036_eV;
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BOOST_AUTO_TEST_SUITE(
material
)
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BOOST_AUTO_TEST_CASE
(construct_vacuum) {
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// default constructor builds invalid material a.k.a. vacuum
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Acts::Material
vacuum;
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BOOST_TEST(!vacuum);
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}
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BOOST_AUTO_TEST_CASE
(construct_something) {
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// anything with non-zero Ar is a valid material
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Acts::Material
notVacuum(1, 2, 3, 4, 5);
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BOOST_TEST(!!notVacuum);
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}
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BOOST_AUTO_TEST_CASE
(units) {
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Acts::Material
silicon =
Acts::Test::makeSilicon
();
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// check values w/ different units if possible
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CHECK_CLOSE_REL
(silicon.
X0
(), 93.70_mm,
eps
);
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CHECK_CLOSE_REL
(silicon.
X0
(), 9.370_cm,
eps
);
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CHECK_CLOSE_REL
(silicon.
X0
(), 0.09370_m,
eps
);
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CHECK_CLOSE_REL
(silicon.
L0
(), 465.2_mm,
eps
);
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CHECK_CLOSE_REL
(silicon.
L0
(), 46.52_cm,
eps
);
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CHECK_CLOSE_REL
(silicon.
L0
(), 0.4652_m,
eps
);
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CHECK_CLOSE_REL
(silicon.
Ar
(), 28.0855,
eps
);
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CHECK_CLOSE_REL
(silicon.
Z
(), 14.0,
eps
);
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CHECK_CLOSE_REL
(silicon.
massDensity
(), 2.329_g / 1_cm3,
eps
);
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CHECK_CLOSE_REL
(silicon.
massDensity
(), 0.002329_kg / 1_cm3,
eps
);
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CHECK_CLOSE_REL
(silicon.
massDensity
(), 0.002329_g / 1_mm3,
eps
);
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// check derived values
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CHECK_CLOSE_REL
(silicon.
molarElectronDensity
(),
SiNe
,
eps
);
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CHECK_CLOSE_REL
(silicon.
meanExcitationEnergy
(),
SiI
,
eps
);
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}
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// encode values as classification vector
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static
Acts::ActsVectorF<5>
makeSiClassificationNumbers
() {
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Acts::ActsVectorF<5>
values
;
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values[
Acts::Material::eX0
] =
Acts::Test::makeSilicon
().
X0
();
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values[
Acts::Material::eL0
] =
Acts::Test::makeSilicon
().
L0
();
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values[
Acts::Material::eAr
] =
Acts::Test::makeSilicon
().
Ar
();
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values[
Acts::Material::eZ
] =
Acts::Test::makeSilicon
().
Z
();
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values[
Acts::Material::eRho
] =
Acts::Test::makeSilicon
().
massDensity
();
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return
values
;
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}
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BOOST_AUTO_TEST_CASE
(classification_numbers) {
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const
auto
numbers =
makeSiClassificationNumbers
();
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Acts::Material
fromNumbers(numbers);
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Acts::Material
manual =
Acts::Test::makeSilicon
();
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BOOST_TEST(fromNumbers == manual);
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CHECK_CLOSE_REL
(fromNumbers.
classificationNumbers
(), numbers,
eps
);
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CHECK_CLOSE_REL
(manual.
classificationNumbers
(), numbers,
eps
);
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}
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BOOST_AUTO_TEST_SUITE_END()
acts
blob
master
Tests
UnitTests
Core
Material
MaterialTests.cpp
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:24:26
using
1.8.2 with
ECCE GitHub integration