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1 | // 2001-11-25 Phil Edwards <pme@gcc.gnu.org> |
2 | // | |
1ff9402d | 3 | // Copyright (C) 2001, 2003 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
9 | // any later version. | |
10 | // | |
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | // | |
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // 20.4.1.1 allocator members | |
22 | ||
3c612a61 | 23 | #include <cstdlib> |
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24 | #include <memory> |
25 | #include <ext/pool_allocator.h> | |
26 | #include <ext/debug_allocator.h> | |
27 | #include <ext/malloc_allocator.h> | |
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28 | #include <testsuite_hooks.h> |
29 | ||
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30 | using __gnu_cxx::__malloc_alloc; |
31 | using __gnu_cxx::__debug_alloc; | |
32 | using __gnu_cxx::__pool_alloc; | |
3c612a61 | 33 | |
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34 | template class __malloc_alloc<3>; |
35 | template class __debug_alloc<__malloc_alloc<3> >; | |
36 | template class __pool_alloc<true, 3>; | |
37 | template class __pool_alloc<false, 3>; | |
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38 | |
39 | struct big | |
40 | { | |
1ff9402d | 41 | long f[15]; |
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42 | }; |
43 | ||
44 | ||
45 | bool new_called; | |
46 | bool delete_called; | |
47 | std::size_t requested; | |
48 | ||
49 | void* | |
50 | operator new(std::size_t n) throw(std::bad_alloc) | |
51 | { | |
52 | new_called = true; | |
53 | requested = n; | |
54 | return std::malloc(n); | |
55 | } | |
56 | ||
57 | void | |
58 | operator delete(void *v) throw() | |
59 | { | |
60 | delete_called = true; | |
61 | return std::free(v); | |
62 | } | |
63 | ||
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64 | template<typename Alloc, bool uses_global_new_and_delete> |
65 | void check_allocator() | |
3c612a61 | 66 | { |
11f10e6b | 67 | bool test __attribute__((unused)) = true; |
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68 | new_called = false; |
69 | delete_called = false; | |
70 | requested = 0; | |
71 | ||
1ff9402d | 72 | std::__allocator<big, Alloc> a; |
3c612a61 | 73 | big *p = a.allocate(10); |
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74 | if (uses_global_new_and_delete) |
75 | VERIFY( requested >= (10 * 15 * sizeof(long)) ); | |
76 | ||
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77 | // Touch the far end of supposedly-allocated memory to check that we got |
78 | // all of it. Why "3"? Because it's my favorite integer between e and pi. | |
79 | p[9].f[14] = 3; | |
1ff9402d | 80 | VERIFY( new_called == uses_global_new_and_delete ); |
3c612a61 | 81 | a.deallocate(p,10); |
1ff9402d | 82 | VERIFY( delete_called == uses_global_new_and_delete ); |
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83 | } |
84 | ||
3c612a61 | 85 | // These just help tracking down error messages. |
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86 | void test01() { check_allocator<__malloc_alloc<3>, false>(); } |
87 | void test02() { check_allocator<__debug_alloc<__malloc_alloc<3> >, false>(); } | |
88 | void test03() { check_allocator<__pool_alloc<true, 3>, true>(); } | |
89 | void test04() { check_allocator<__pool_alloc<false, 3>, true>(); } | |
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90 | |
91 | int main() | |
92 | { | |
93 | test01(); | |
94 | test02(); | |
95 | test03(); | |
96 | test04(); | |
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97 | return 0; |
98 | } | |
99 |