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// constructor_test.cc -- a test case for gold global constructors
// Copyright (C) 2006-2021 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;
}
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