Geometry/test/Box_.cpp

0001 #include <CLHEP/Units/SystemOfUnits.h>
0002 #include "DetectorDescription/Core/interface/DDSolid.h"
0003 #include "DetectorDescription/Core/interface/DDSolidShapes.h"
0004 #include "DetectorDescription/Core/interface/Box.h"
0005 #include "Utilities/Testing/interface/CppUnit_testdriver.icpp"
0006 #include "cppunit/extensions/HelperMacros.h"
0007 #include <G4Box.hh>
0008 #include <cmath>
0009 #include <limits>
0010 #include <string>
0011
0012 using namespace std;
0013 using CLHEP::cm;
0014 using CLHEP::cm3;
0015
0016 class testBox : public CppUnit::TestFixture {
0017   CPPUNIT_TEST_SUITE(testBox);
0018   CPPUNIT_TEST(matched_g4_and_dd);
0019
0020   CPPUNIT_TEST_SUITE_END();
0021
0022 public:
0023   void matched_g4_and_dd(void);
0024 };
0025
0026 void testBox::matched_g4_and_dd(void) {
0027   double xHalfLength(2. * cm);
0028   double yHalfLength(2. * cm);
0029   double zHalfLength(2. * cm);
0030   string name("fred1");
0031
0032   G4Box g4(name, xHalfLength, yHalfLength, zHalfLength);
0033   DDI::Box dd(xHalfLength, yHalfLength, zHalfLength);
0034   DDBox dds = DDSolidFactory::box(name, xHalfLength, yHalfLength, zHalfLength);
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 = " << g4.GetCubicVolume() / cm3 << " cm3" << endl;
0044   cout << "\tdd volume = " << dd.volume() / cm3 << " cm3" << endl;
0045   cout << "\tDD Information: " << dds << " vol= " << dds.volume() << 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(testBox);