RealQuadraticEquationTests.cpp

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// This file is part of the Acts project.
//
// Copyright (C) 2017-2018 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#include <boost/test/data/test_case.hpp>
#include <boost/test/tools/output_test_stream.hpp>
#include <boost/test/unit_test.hpp>

#include "Acts/Tests/CommonHelpers/FloatComparisons.hpp"
#include "Acts/Utilities/Definitions.hpp"
#include "Acts/Utilities/detail/RealQuadraticEquation.hpp"

#include <limits>

using Acts::detail::RealQuadraticEquation;

// namespace bdata = boost::unit_test::data;
namespace utf = boost::unit_test;

namespace Acts {

namespace Test {
BOOST_AUTO_TEST_SUITE(Surfaces)
BOOST_AUTO_TEST_CASE(RealQuadraticEquationConstruction) {
  double a(1.0), b(-3.), c(2.);
  // test default construction: not deleted, not written
  // RealQuadraticEquation defaultConstructedRealQuadraticEquation;
  //
  BOOST_REQUIRE_NO_THROW(RealQuadraticEquation(a, b, c));
  //
  RealQuadraticEquation orig(a, b, c);
  BOOST_REQUIRE_NO_THROW(RealQuadraticEquation copied(orig); (void)copied);
}
BOOST_AUTO_TEST_CASE(RealQuadraticEquationProperties) {
  double a(1.0), b(-3.), c(2.);
  //
  RealQuadraticEquation equation(a, b, c);
  //
  CHECK_CLOSE_REL(equation.first, 2., 1e-6);
  CHECK_CLOSE_REL(equation.second, 1., 1e-6);
  BOOST_CHECK_EQUAL(equation.solutions, 2);
}

BOOST_AUTO_TEST_CASE(RealQuadraticEquationAssignment) {
  double a(1.0), b(-3.), c(2.);
  RealQuadraticEquation realQuadraticEquationObject(a, b, c);
  // operator == not implemented in this class
  //
  RealQuadraticEquation assignedRealQuadraticEquationObject(9., -3.5, 6.7);
  assignedRealQuadraticEquationObject = realQuadraticEquationObject;
  CHECK_CLOSE_REL(assignedRealQuadraticEquationObject.first, 2., 1e-6);
  CHECK_CLOSE_REL(assignedRealQuadraticEquationObject.second, 1., 1e-6);
  BOOST_CHECK_EQUAL(assignedRealQuadraticEquationObject.solutions, 2);
  // BOOST_CHECK_EQUAL(assignedRealQuadraticEquationObject,
  //                   realQuadraticEquationObject);
}
BOOST_AUTO_TEST_SUITE_END()

}  // namespace Test

}  // namespace Acts