//
// $Id: handle_t.cpp,v 1.3 2002/08/25 20:24:28 melanson Exp $
//
// File: test_handle.cpp
// Purpose: 
// Created: 28-OCT-1997   John Hobbs
//
// $Revision: 1.3 $
//
//

// Include files
#include <geometry_system/management/HandleSystem.hpp>

using namespace std;
using namespace dgs;

int main() {
  
  int data[]={0,1,2,3,4,5,6,7,8,9};
  const int datasize=sizeof(data)/4;
  HandleCache<int> cache;
  Handle<int> hdata[datasize];

  cout << "Array has " << datasize << " elements." << endl;

  // Create the handles.
  cout << "** Testing handle creation" << endl;
  for( int i=0 ; i<datasize ; i++ ) {
    hdata[i] = cache.create_handle(i,&data[i]);
    cout << "i=" << i << " *(Handle["<<i<<"]) = " << *(hdata[i]) << endl;
  }

  // Make another handle, and then explicitly destory it.
  cout << "** Testing cache coherence when handle is destroyed" << endl;
  {
    int ix=1000;
    Handle<int> x = cache.create_handle(11,&ix);
    cout << cache;
    // x goes out of scope after this
  }
  cout << cache;
  
  // Can I update in situ as promised?
  cout << "** Reassign address pointed to by Handle[5] to object at handle[9]" << endl;
  cache.refresh_handle(5,&data[9]);
  cout <<  "i=" << 5 << " *(Handle[5]) = " << *(hdata[5]) << endl;

  // Test the existance member
  cout << "** Testing handle id existance member, handle_exists **" << endl;
  cout << "Handle w/id=5 exists? " << cache.handle_exists(5) << endl;
  cout << "Handle w/id=12 exists? " << cache.handle_exists(12) << endl;
  return 0;
}