JSinglePointer.cc

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#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;
}