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1 | // |
2 | // Copyright (C) 2004 Free Software Foundation, Inc. | |
3 | // | |
4 | // This file is part of the GNU ISO C++ Library. This library is free | |
5 | // software; you can redistribute it and/or modify it under the | |
6 | // terms of the GNU General Public License as published by the | |
7 | // Free Software Foundation; either version 2, or (at your option) | |
8 | // any later version. | |
9 | // | |
10 | // This library is distributed in the hope that it will be useful, | |
11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | // GNU General Public License for more details. | |
14 | // | |
15 | // You should have received a copy of the GNU General Public License along | |
16 | // with this library; see the file COPYING. If not, write to the Free | |
17 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
18 | // USA. | |
19 | ||
20 | // 20.4.1.1 allocator members | |
21 | ||
22 | #include <string> | |
23 | #include <stdexcept> | |
24 | #include <ext/mt_allocator.h> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
27 | static size_t count; | |
28 | ||
29 | struct count_check | |
30 | { | |
31 | count_check() {} | |
32 | ~count_check() | |
33 | { | |
34 | if (count != 0) | |
35 | throw std::runtime_error("count isn't zero"); | |
36 | } | |
37 | }; | |
38 | ||
39 | static count_check check; | |
40 | ||
41 | void* operator new(size_t size) throw(std::bad_alloc) | |
42 | { | |
43 | printf("operator new is called \n"); | |
44 | void* p = malloc(size); | |
45 | if (p == NULL) | |
46 | throw std::bad_alloc(); | |
47 | count++; | |
48 | return p; | |
49 | } | |
50 | ||
51 | void operator delete(void* p) throw() | |
52 | { | |
53 | printf("operator delete is called \n"); | |
54 | if (p == NULL) | |
55 | return; | |
56 | count--; | |
57 | if (count == 0) | |
58 | printf("All memory released \n"); | |
59 | else | |
60 | printf("%u allocations to be released \n", count); | |
61 | free(p); | |
62 | } | |
63 | ||
64 | typedef char char_t; | |
65 | typedef std::char_traits<char_t> traits_t; | |
66 | typedef __gnu_cxx::__per_type_pool_policy<char_t, true> pool_t; | |
67 | typedef __gnu_cxx::__mt_alloc<char_t, pool_t> allocator_t; | |
68 | typedef std::basic_string<char_t, traits_t, allocator_t> string_t; | |
69 | ||
70 | string_t s("bayou bend"); | |
71 | ||
72 | int main() | |
73 | { | |
74 | return 0; | |
75 | } |