Geometry/test/Torus_.cpp

0001 #include "CLHEP/Units/GlobalSystemOfUnits.h"
0002 #include "DetectorDescription/Core/interface/DDSolid.h"
0003 #include "DetectorDescription/Core/interface/DDSolidShapes.h"
0004 #include "DetectorDescription/Core/interface/Torus.h"
0005 #include "Utilities/Testing/interface/CppUnit_testdriver.icpp"
0006 #include "cppunit/extensions/HelperMacros.h"
0007 #include <G4Torus.hh>
0008 #include <cmath>
0009 #include <limits>
0010 #include <string>
0011
0012 using namespace std;
0013
0014 class testTorus : public CppUnit::TestFixture {
0015   CPPUNIT_TEST_SUITE(testTorus);
0016   CPPUNIT_TEST(matched_g4_and_dd);
0017
0018   CPPUNIT_TEST_SUITE_END();
0019
0020 public:
0021   void matched_g4_and_dd(void);
0022 };
0023
0024 void testTorus::matched_g4_and_dd(void) {
0025   double rMin = 10. * cm;
0026   double rMax = 15. * cm;
0027   double radius = 100. * cm;
0028   double sPhi = 0. * deg;
0029   double dPhi = 90. * deg;
0030   string name("fred1");
0031
0032   G4Torus g4(name, rMin, rMax, radius, sPhi, dPhi);
0033   DDI::Torus dd(rMin, rMax, radius, sPhi, dPhi);
0034   DDTorus dds = DDSolidFactory::torus(name, rMin, rMax, radius, sPhi, dPhi);
0035   cout << endl;
0036   dd.stream(cout);
0037   cout << endl;
0038
0039   double g4v = g4.GetCubicVolume() / cm3;
0040   double ddv = dd.volume() / cm3;
0041   double ddsv = dds.volume() / cm3;
0042
0043   cout << "\tg4 volume = " << g4v << " cm3" << endl;
0044   cout << "\tdd volume = " << ddv << " cm3" << endl;
0045   cout << "\tDD Information: " << dds << " vol= " << ddsv << " cm3" << endl;
0046
0047   CPPUNIT_ASSERT(abs(g4v - ddv) < numeric_limits<float>::epsilon());
0048   CPPUNIT_ASSERT(abs(g4v - ddsv) < numeric_limits<float>::epsilon());
0049 }
0050
0051 CPPUNIT_TEST_SUITE_REGISTRATION(testTorus);