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91 lines
1.9 KiB
C++
91 lines
1.9 KiB
C++
// constructor_test.cc -- a test case for gold global constructors
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// Copyright (C) 2006-2022 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// This file just runs some global constructors and destructors. The
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// last global destructor verifies that the state is as expected, and
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// we assume that it runs correctly itself.
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#include <cassert>
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#include <cstdlib>
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// These counters let us verify the state.
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int c1_count;
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int c2_count;
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int atexit_count;
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// This class verifies that there are no objects left when it is
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// destroyed. Therefore, we can only have one instance of this
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// object.
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class c1
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{
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public:
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static int count;
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c1()
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{ ++c1_count; }
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~c1()
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{
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--c1_count;
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assert(c1_count == 0 && c2_count == 0 && atexit_count == 0);
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}
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};
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c1 c1v;
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// A function called at atexit time.
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void
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atexit_function()
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{
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--atexit_count;
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assert(atexit_count == c2_count);
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}
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// A class which counts itself and also calls atexit.
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class c2
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{
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public:
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c2()
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{
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assert(atexit_count == c2_count);
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++c2_count;
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atexit(atexit_function);
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++atexit_count;
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}
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~c2()
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{ --c2_count; }
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};
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c2 c2v1;
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c2 c2v2;
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int
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main()
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{
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return 0;
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}
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