JSinglePointer.cc

Go to the documentation of this file.

 
#include <iostream>
#include <iomanip>
#include <vector>
 
#include "JLang/JSinglePointer.hh"
 
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
namespace {
 
  struct __A__ 
  {
    __A__()
    {
      std::cout << "__A__()" << std::endl;
    }
 
    ~__A__() 
    {
      std::cout << "~__A__()" << std::endl;
    }
  };
}
 
 
/**
 * \file
 *
 * Example program to test JLANG::JSinglePointer class.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
 
  int          debug;
 
  try {
 
    JParser<> zap("Example program to test single pointer.");
 
    zap['d'] = make_field(debug)   = 3;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
 
  using namespace JPP;
 
  const int N = 4;
 
  typedef JSinglePointer<__A__>   JSinglePointer_t;
 
  JSinglePointer_t a;
 
  DEBUG("JSinglePointer::create()" << endl);
 
  a.create();
 
  vector<JSinglePointer_t> buffer;
 
  for (int i = 0; i != N; ++i) {
 
    DEBUG("buffer.push_back() " << i << endl);
 
    buffer.push_back(a);
  }
 
  for (int i = 0; i != N; ++i) {
    DEBUG("buffer[" << i << "] is valid? " << buffer[i].is_valid() << endl);
  }
 
  for (int i = 0; i != N; ++i) {
    ASSERT(i == 0 ? buffer[i].is_valid() : !buffer[i].is_valid());
  }
 
  return 0;
}