Geometry/test/Tubs_.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/Tubs.h"
0005 #include "Utilities/Testing/interface/CppUnit_testdriver.icpp"
0006 #include "cppunit/extensions/HelperMacros.h"
0007 #include <G4Tubs.hh>
0008 #include <cmath>
0009 #include <limits>
0010 #include <string>
0011
0012 using namespace std;
0013
0014 class testTubs : public CppUnit::TestFixture {
0015   CPPUNIT_TEST_SUITE(testTubs);
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 testTubs::matched_g4_and_dd(void) {
0025   double rIn = 10. * cm;
0026   double rOut = 15. * cm;
0027   double zhalf = 20. * cm;
0028   double startPhi = 0. * deg;
0029   double deltaPhi = 90. * deg;
0030   string name("fred1");
0031
0032   G4Tubs g4(name, rIn, rOut, zhalf, startPhi, deltaPhi);
0033   DDI::Tubs dd(zhalf, rIn, rOut, startPhi, deltaPhi);
0034   DDTubs dds = DDSolidFactory::tubs(name, zhalf, rIn, rOut, startPhi, deltaPhi);
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(testTubs);