test/refptr_test.cc
author alpar
Fri, 20 Oct 2006 12:05:54 +0000
changeset 2256 b22dfb6c5ff3
child 2391 14a343be7a5a
permissions -rw-r--r--
Graph imlementations actually provide ReferenceMaps.
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/* -*- C++ -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library
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 *
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 * Copyright (C) 2003-2006
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include<lemon/refptr.h>
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#include "test_tools.h"
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#include <iostream>
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class Test 
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{
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  int &_counter;
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public:
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  Test(int &co) : _counter(co)
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  {
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    std::cerr << "Init\n";
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    _counter++;
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  }
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  ~Test()
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  {
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    std::cerr << "Destroy\n";
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    _counter--;
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  }
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  int &counter() { return _counter; }
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};
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int main()
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{
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  int c=0;
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  {
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    RefPtr<Test> a = new Test(c);
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    check(a->counter() == 1, "Wrong number of initialization");
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    {
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      RefPtr<Test> b = a;
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      check((*b).counter() == 1, "Wrong number of initialization");
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      b=a;
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      a=b;
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      check((*a).counter() == 1, "Wrong number of initialization");
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    }
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    check(a->counter() == 1, "Wrong number of initialization");
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  }
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  check(c == 0, "Wrong number of initialization");
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  return 0;
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}
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