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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;
}