// SharedNullPolicy_t.cpp

#include "ptr/SharedNullPolicy.h"
#include "ptr/TestPolicy.h"

#include <iostream>
#include <string>
#include <cassert>

#ifndef DEFECT_NO_NAMESPACES
using std::cout;
using std::cerr;
using std::endl;
using std::string;
#endif

//**********************************************************************

int main( ) {

  string component = "SharedNullPolicy";
  string ok_prefix = component + " (I): ";
  string error_prefix = component + " test (E): ";

  cout << ok_prefix
       << "---------- Testing component " + component
          + ". ----------" << endl;

  // Make sure assert is enabled.
  bool assert_flag = false;
  assert ( ( assert_flag = true, assert_flag ) );
  if ( ! assert_flag ) {
    cerr << "Assert is disabled" << endl;
    return 1;
  }

  //********************************************************************

  cout << ok_prefix << "Construct intial policy." << endl;
  int* pi = new int(6);
  const int* pci = pi;
  SharedNullPolicy pol1(pci);
  cout << pol1 << endl;
  assert( pol1.is_valid() );
  assert( ! pol1.has_management() );
  assert( ! pol1.has_last_management() );
  const SharedPolicyTable* ptab1 = pol1.get_shared_policy_table();
  assert( ptab1 != 0 );
  assert( ptab1->get_reference_count() == 1 );
  assert( ptab1->get_managing_reference_count() == 0 );

  //********************************************************************

  cout << ok_prefix << "Copy policy." << endl;
  {
    SharedNullPolicy pol2(pi,pol1);
    cout << pol1 << endl;
    cout << pol2 << endl;
    assert( pol1.is_valid() );
    assert( pol2.is_valid() );
    assert( pol2.get_shared_policy_table() == ptab1 );
    assert( ptab1->get_reference_count() == 2 );
  }
  assert( ptab1->get_reference_count() == 1 );

  //********************************************************************

  cout << ok_prefix << "Copy from another type of policy." << endl;
  TestPolicy polt1(true);
  cout << polt1 << endl;
  assert( polt1.has_management() );
  SharedNullPolicy pol3(pi,polt1);
  cout << polt1 << endl;
  cout << pol3 << endl;
  assert( pol3.is_valid() );

  //********************************************************************

  cout << ok_prefix << "Test delete." << endl;
  pol3.delete_if_managing(pi);
  delete pi;

  //********************************************************************

  cout << ok_prefix
       << "------------- All tests passed. -------------" << endl;
  return 0;

  //********************************************************************

}