PR binutils/12467
[binutils.git] / gold / testsuite / constructor_test.cc
blob8889a83576cdce5618a86c1b905a325b2980aae5
1 // constructor_test.cc -- a test case for gold global constructors
3 // Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
23 // This file just runs some global constructors and destructors. The
24 // last global destructor verifies that the state is as expected, and
25 // we assume that it runs correctly itself.
27 #include <cassert>
28 #include <cstdlib>
30 // These counters let us verify the state.
32 int c1_count;
33 int c2_count;
34 int atexit_count;
36 // This class verifies that there are no objects left when it is
37 // destroyed. Therefore, we can only have one instance of this
38 // object.
40 class c1
42 public:
43 static int count;
45 c1()
46 { ++c1_count; }
48 ~c1()
50 --c1_count;
51 assert(c1_count == 0 && c2_count == 0 && atexit_count == 0);
55 c1 c1v;
57 // A function called at atexit time.
59 void
60 atexit_function()
62 --atexit_count;
63 assert(atexit_count == c2_count);
66 // A class which counts itself and also calls atexit.
68 class c2
70 public:
71 c2()
73 assert(atexit_count == c2_count);
74 ++c2_count;
75 atexit(atexit_function);
76 ++atexit_count;
79 ~c2()
80 { --c2_count; }
83 c2 c2v1;
84 c2 c2v2;
86 int
87 main()
89 return 0;