Commit | Line | Data |
---|---|---|
d5026652 ILT |
1 | // constructor_test.cc -- a test case for gold global constructors |
2 | ||
ebdbb458 | 3 | // Copyright 2006, 2007, 2008 Free Software Foundation, Inc. |
d5026652 ILT |
4 | // Written by Ian Lance Taylor <iant@google.com>. |
5 | ||
6 | // This file is part of gold. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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. | |
22 | ||
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. | |
26 | ||
27 | #include <cassert> | |
28 | #include <cstdlib> | |
29 | ||
30 | // These counters let us verify the state. | |
31 | ||
32 | int c1_count; | |
33 | int c2_count; | |
34 | int atexit_count; | |
35 | ||
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. | |
39 | ||
40 | class c1 | |
41 | { | |
42 | public: | |
43 | static int count; | |
44 | ||
45 | c1() | |
46 | { ++c1_count; } | |
47 | ||
48 | ~c1() | |
49 | { | |
50 | --c1_count; | |
51 | assert(c1_count == 0 && c2_count == 0 && atexit_count == 0); | |
52 | } | |
53 | }; | |
54 | ||
55 | c1 c1v; | |
56 | ||
57 | // A function called at atexit time. | |
58 | ||
59 | void | |
60 | atexit_function() | |
61 | { | |
62 | --atexit_count; | |
63 | assert(atexit_count == c2_count); | |
64 | } | |
65 | ||
66 | // A class which counts itself and also calls atexit. | |
67 | ||
68 | class c2 | |
69 | { | |
70 | public: | |
71 | c2() | |
72 | { | |
73 | assert(atexit_count == c2_count); | |
74 | ++c2_count; | |
75 | atexit(atexit_function); | |
76 | ++atexit_count; | |
77 | } | |
78 | ||
79 | ~c2() | |
80 | { --c2_count; } | |
81 | }; | |
82 | ||
83 | c2 c2v1; | |
84 | c2 c2v2; | |
85 | ||
86 | int | |
87 | main() | |
88 | { | |
89 | return 0; | |
90 | } |