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// constructor_test.cc -- a test case for gold global constructors

// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.

// Written by Ian Lance Taylor <iant@google.com>.

// This file is part of gold.

// This program is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; either version 3 of the License, or

// (at your option) any later version.

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License

// along with this program; if not, write to the Free Software

// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

// MA 02110-1301, USA.

// This file just runs some global constructors and destructors.  The

// last global destructor verifies that the state is as expected, and

// we assume that it runs correctly itself.

#include <cassert>

#include <cstdlib>

// These counters let us verify the state.

int c1_count;

int c2_count;

int atexit_count;

// This class verifies that there are no objects left when it is

// destroyed.  Therefore, we can only have one instance of this

// object.

class c1

{

 public:

  static int count;

  c1()

  { ++c1_count; }

  ~c1()

  {

    --c1_count;

    assert(c1_count == 0 && c2_count == 0 && atexit_count == 0);

  }

};

c1 c1v;

// A function called at atexit time.

void

atexit_function()

{

  --atexit_count;

  assert(atexit_count == c2_count);

}

// A class which counts itself and also calls atexit.

class c2

{

 public:

  c2()

  {

    assert(atexit_count == c2_count);

    ++c2_count;

    atexit(atexit_function);

    ++atexit_count;

  }

  ~c2()

  { --c2_count; }

};

c2 c2v1;

c2 c2v2;

int

main()

{

  return 0;

}