[1199] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: testReferenceCountedHandle.cc,v 1.10 2006/06/29 19:05:08 gunter Exp $ |
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| 28 | // |
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| 29 | // |
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| 30 | // The program testing features and behaviour of the |
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| 31 | // reference counted handle, smart-pointer, class. |
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| 32 | // ---------------------------------------------------------------------- |
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| 33 | |
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| 34 | #define sDefault "Default" |
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| 35 | #define csDefault "cDefault" |
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| 36 | |
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| 37 | #include "G4ios.hh" |
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| 38 | #include "G4ReferenceCountedHandle.hh" |
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| 39 | |
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| 40 | #include <assert.h> |
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| 41 | |
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| 42 | #include <iostream> |
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| 43 | #include <string> |
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| 44 | #include <vector> |
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| 45 | |
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| 46 | class TesterBase |
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| 47 | { |
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| 48 | public: |
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| 49 | TesterBase() { |
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| 50 | } |
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| 51 | |
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| 52 | virtual ~TesterBase() { |
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| 53 | G4cout << "TesterBase being destroyed..." << G4endl; |
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| 54 | } |
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| 55 | |
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| 56 | inline bool Ok() const { |
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| 57 | return true; |
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| 58 | } |
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| 59 | |
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| 60 | virtual void Report() = 0; |
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| 61 | }; |
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| 62 | |
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| 63 | class TesterString : public TesterBase |
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| 64 | { |
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| 65 | public: |
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| 66 | |
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| 67 | TesterString( const char* str = csDefault ) { |
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| 68 | fData = str; |
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| 69 | } |
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| 70 | |
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| 71 | TesterString( std::string& str ) : fData(str) {} |
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| 72 | |
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| 73 | ~TesterString(){ |
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| 74 | G4cout << "Tester " << fData << " being destroyed..." << G4endl; |
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| 75 | } |
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| 76 | |
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| 77 | inline const std::string& Data() const { |
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| 78 | return fData; |
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| 79 | } |
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| 80 | |
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| 81 | inline void SetData( const std::string& data ) { |
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| 82 | fData = data; |
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| 83 | } |
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| 84 | |
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| 85 | inline void SetData( const char* data ) { |
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| 86 | fData = data; |
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| 87 | } |
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| 88 | |
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| 89 | virtual void Report() { |
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| 90 | G4cout << " >>" << Data() << "<< "; |
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| 91 | } |
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| 92 | |
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| 93 | private: |
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| 94 | std::string fData; |
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| 95 | }; |
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| 96 | |
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| 97 | |
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| 98 | class TesterInt : public TesterBase |
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| 99 | { |
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| 100 | public: |
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| 101 | TesterInt( int i = 0 ) : fData( i ) {} |
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| 102 | |
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| 103 | ~TesterInt(){ |
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| 104 | G4cout << "Tester " << fData << " being destroyed..." << G4endl; |
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| 105 | } |
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| 106 | |
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| 107 | inline const int& Data() const { |
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| 108 | return fData; |
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| 109 | } |
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| 110 | |
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| 111 | inline void SetData( const int data ) { |
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| 112 | fData = data; |
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| 113 | } |
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| 114 | |
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| 115 | virtual void Report() { |
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| 116 | G4cout << " >>" << Data() << "<< "; |
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| 117 | } |
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| 118 | |
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| 119 | private: |
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| 120 | int fData; |
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| 121 | }; |
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| 122 | |
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| 123 | typedef G4ReferenceCountedHandle<TesterBase> Counted; |
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| 124 | typedef G4ReferenceCountedHandle<TesterString> CountedString; |
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| 125 | typedef G4ReferenceCountedHandle<TesterInt> CountedInt; |
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| 126 | |
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| 127 | /* |
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| 128 | // Beta prototype of the class monitoring run-time activity of the RC handles |
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| 129 | class HandleWatcher { |
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| 130 | public: |
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| 131 | typedef std::vector<G4ReferenceCountedHandle<TesterBase> > Handles; |
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| 132 | typedef Handles::iterator HandlesIt; |
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| 133 | typedef Handles::const_iterator HandlesCIt; |
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| 134 | |
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| 135 | public: |
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| 136 | HandleWatcher() {} |
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| 137 | |
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| 138 | ~HandleWatcher() { |
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| 139 | fHandles.clear(); |
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| 140 | } |
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| 141 | |
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| 142 | inline void AddHandle( const Counted& handle ) { |
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| 143 | SetCurrent( handle ); |
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| 144 | fHandles.push_back( handle ); |
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| 145 | } |
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| 146 | |
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| 147 | inline const Counted& operator[]( unsigned int index ) { |
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| 148 | return fHandles[index]; |
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| 149 | } |
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| 150 | |
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| 151 | inline void SetCurrent( const Counted& handle ) { |
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| 152 | fCurrent = handle; |
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| 153 | } |
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| 154 | |
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| 155 | void Report() { |
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| 156 | G4cout << "HandleWatcher Report:" << G4endl; |
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| 157 | G4cout << "---------------------" << G4endl; |
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| 158 | HandlesCIt it; |
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| 159 | for( it = fHandles.begin(); it != fHandles.end(); it++ ) { |
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| 160 | G4cout << "Handle "; (*it)->Report(); G4cout << " count " << (*it).Count() << G4endl; |
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| 161 | } |
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| 162 | G4cout << "\nCurrent handle "; fCurrent->Report(); |
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| 163 | G4cout << " count " << fCurrent.Count() << G4endl; |
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| 164 | } |
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| 165 | |
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| 166 | private: |
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| 167 | Handles fHandles; |
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| 168 | Counted fCurrent; |
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| 169 | }; |
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| 170 | */ |
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| 171 | |
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| 172 | inline void SimulateNavigator( Counted& rcObj ) { |
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| 173 | rcObj = new TesterString( "Simulated" ); |
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| 174 | } |
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| 175 | |
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| 176 | int main( int argc, char* argv[] ) |
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| 177 | { |
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| 178 | Counted t0; |
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| 179 | G4cout << "Testing reference counting..." << G4endl; |
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| 180 | //HandleWatcher watcher; |
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| 181 | |
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| 182 | Counted t1 = new TesterString(); |
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| 183 | t0 = t1; |
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| 184 | { |
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| 185 | assert( t1 ); |
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| 186 | assert( 2 == t1.Count() ); |
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| 187 | |
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| 188 | G4cout << G4endl << "Initial tester 1 count:................... " << t1.Count() << G4endl; |
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| 189 | |
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| 190 | //watcher.AddHandle( t1 ); |
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| 191 | |
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| 192 | Counted t2; |
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| 193 | assert( !t2 ); |
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| 194 | |
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| 195 | G4cout << "Initial tester 2 count:................... " << t2.Count() << G4endl; |
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| 196 | |
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| 197 | t2 = t1; |
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| 198 | |
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| 199 | assert( t1 ); |
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| 200 | assert( t2 ); |
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| 201 | assert( 3 == t1.Count() ); |
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| 202 | assert( 3 == t2.Count() ); |
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| 203 | |
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| 204 | G4cout << "After assignment tester 1 count:.......... " << t1.Count() << G4endl; |
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| 205 | G4cout << "After assignment tester 2 count:.......... " << t2.Count() << G4endl; |
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| 206 | |
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| 207 | //memory_watcher.AllocInfo(); |
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| 208 | //watcher.AddHandle( t2 ); |
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| 209 | |
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| 210 | { |
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| 211 | Counted t3 = t2; |
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| 212 | |
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| 213 | assert( t3 ); |
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| 214 | |
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| 215 | assert( 4 == t1.Count() ); |
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| 216 | assert( 4 == t2.Count() ); |
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| 217 | assert( 4 == t3.Count() ); |
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| 218 | |
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| 219 | G4cout << "After copy tester 1 count:................ " << t1.Count() << G4endl; |
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| 220 | G4cout << "After copy tester 2 count:................ " << t2.Count() << G4endl; |
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| 221 | G4cout << "Initial tester 3 count:................... " << t3.Count() << G4endl; |
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| 222 | |
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| 223 | //watcher.AddHandle( t3 ); |
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| 224 | } // t3 Done |
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| 225 | |
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| 226 | //memory_watcher.AllocInfo(); |
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| 227 | |
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| 228 | assert( t1 ); |
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| 229 | assert( t2 ); |
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| 230 | assert( 3 == t1.Count() ); |
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| 231 | assert( 3 == t2.Count() ); |
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| 232 | |
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| 233 | G4cout << "After destruction of t3 tester 1 count:... " << t1.Count() << G4endl; |
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| 234 | G4cout << " tester 2 count:... " << t2.Count() << G4endl; |
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| 235 | } // t2 Done |
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| 236 | |
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| 237 | assert( t1 ); |
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| 238 | assert( 2 == t1.Count() ); |
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| 239 | |
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| 240 | G4cout << "After destruction of t2 tester 1 count:... " << t1.Count() << G4endl; |
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| 241 | |
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| 242 | //-------------------------------------------------------------------------------- |
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| 243 | G4cout << "\nTesting dereferencing..." << G4endl; |
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| 244 | assert( t1->Ok() ); |
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| 245 | G4cout << "Dereferencing of t1 method Ok() is:....... " << (int)t1->Ok() << G4endl; |
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| 246 | |
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| 247 | const TesterBase* nativeObj = t1(); |
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| 248 | assert( nativeObj != 0); |
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| 249 | G4cout << "Dereferenced object's method Ok() is:..... " << (int)nativeObj->Ok() << G4endl; |
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| 250 | |
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| 251 | //-------------------------------------------------------------------------------- |
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| 252 | G4cout << "\nTesting copy and assignment\nby a pointer to counted object...\n" << G4endl; |
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| 253 | G4cout << "Tester 1 is counting:....................."; t1->Report(); |
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| 254 | G4cout << "with count: " << t1.Count() << G4endl; |
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| 255 | Counted t4 = t1; |
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| 256 | G4cout << "\nTester 1 being copied to the new tester 4 ...\n" << G4endl; |
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| 257 | G4cout << "Tester 1 is counting:....................."; t1->Report(); |
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| 258 | G4cout << "with count: " << t1.Count() << G4endl; |
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| 259 | G4cout << "Tester 4 is counting:....................."; t4->Report(); |
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| 260 | G4cout << "with count: " << t4.Count() << G4endl; |
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| 261 | |
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| 262 | //watcher.AddHandle( t4 ); |
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| 263 | |
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| 264 | std::string str = "New"; |
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| 265 | t1 = new TesterString( str ); |
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| 266 | assert( 1 == t1.Count() ); |
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| 267 | G4cout << "\nAfter assignment of a counted object pointer to t1:\n" << G4endl; |
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| 268 | G4cout << "Tester 0 is counting:....................."; t0->Report(); |
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| 269 | G4cout << "with count: " << t0.Count() << G4endl; |
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| 270 | G4cout << "Tester 1 is counting:....................."; t1->Report(); |
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| 271 | G4cout << "with count: " << t1.Count() << G4endl; |
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| 272 | G4cout << "Tester 4 is counting:....................."; t4->Report(); |
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| 273 | G4cout << "with count: " << t4.Count() << G4endl; |
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| 274 | |
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| 275 | TesterString* dumbPtr = dynamic_cast<TesterString*>( t4() ); |
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| 276 | dumbPtr->SetData( "Updated" ); |
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| 277 | G4cout << "\nAfter the counted object's data update in t4:\n" << G4endl; |
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| 278 | G4cout << "Tester 0 is counting:....................."; t0->Report(); |
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| 279 | G4cout << "with count: " << t0.Count() << G4endl; |
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| 280 | G4cout << "Tester 1 is counting:....................."; t1->Report(); |
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| 281 | G4cout << "with count: " << t1.Count() << G4endl; |
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| 282 | G4cout << "Tester 4 is counting:....................."; t4->Report(); |
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| 283 | G4cout << "with count: " << t4.Count() << G4endl; |
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| 284 | |
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| 285 | t4 = new TesterInt( 100 ); |
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| 286 | G4cout << "\nAfter assignment of an int tester object to t1:\n" << G4endl; |
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| 287 | G4cout << "Tester 0 is counting:....................."; t0->Report(); |
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| 288 | G4cout << "with count: " << t0.Count() << G4endl; |
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| 289 | G4cout << "Tester 1 is counting:....................."; t1->Report(); |
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| 290 | G4cout << "with count: " << t1.Count() << G4endl; |
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| 291 | G4cout << "Tester 4 is counting:....................."; t4->Report(); |
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| 292 | G4cout << "with count: " << t4.Count() << G4endl; |
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| 293 | |
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| 294 | G4cout << "\nCalling SimulateNavigator( t0 )...\n" << G4endl; |
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| 295 | SimulateNavigator( t0 ); |
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| 296 | |
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| 297 | G4cout << "\nAfter SimulateNavigator( t0 ) call...\n" << G4endl; |
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| 298 | G4cout << "Tester 0 is counting:....................."; t0->Report(); |
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| 299 | G4cout << "with count: " << t0.Count() << G4endl; |
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| 300 | G4cout << "Tester 1 is counting:....................."; t1->Report(); |
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| 301 | G4cout << "with count: " << t1.Count() << G4endl; |
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| 302 | G4cout << "Tester 4 is counting:....................."; t4->Report(); |
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| 303 | G4cout << "with count: " << t4.Count() << G4endl; |
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| 304 | |
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| 305 | //watcher.Report(); |
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| 306 | |
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| 307 | G4cout << "\nEnd of program, expecting the automatic heap memory cleanup...\n" << G4endl; |
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| 308 | |
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| 309 | return 0; |
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| 310 | } |
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