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1 | // 2004-08-25 Benjamin Kosnik <bkoz@redhat.com> |
2 | // | |
99dee823 | 3 | // Copyright (C) 2004-2021 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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
8bfd0a46 | 19 | |
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20 | #include <memory> |
21 | #include <ext/mt_allocator.h> | |
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22 | #include <testsuite_hooks.h> |
23 | #include <testsuite_character.h> | |
8bfd0a46 | 24 | |
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25 | #ifdef __GTHREADS |
26 | #define __cxxthread true | |
27 | #else | |
28 | #define __cxxthread false | |
29 | #endif | |
30 | ||
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31 | // Tune characteristics. |
32 | // __common_pool_policy | |
33 | void test01() | |
34 | { | |
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35 | using __gnu_cxx::__pool; |
36 | using __gnu_cxx::__common_pool_policy; | |
37 | ||
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38 | typedef __gnu_test::pod_int value_type; |
39 | typedef __common_pool_policy<__pool, __cxxthread> policy_type; | |
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40 | typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type; |
41 | typedef __gnu_cxx::__pool_base::_Tune tune_type; | |
42 | ||
8bfd0a46 | 43 | allocator_type a; |
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44 | tune_type t_default = a._M_get_options(); |
45 | tune_type t_opt(32, 5120, 32, 5120, 20, 10, false); | |
46 | tune_type t_small(16, 1024, 32, 2048, 1, 10, false); | |
47 | ||
48 | tune_type t1 = t_default; | |
8bfd0a46 | 49 | a._M_set_options(t_opt); |
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50 | tune_type t2 = a._M_get_options(); |
51 | VERIFY( t1._M_align != t2._M_align ); | |
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52 | |
53 | allocator_type::pointer p1 = a.allocate(128); | |
54 | allocator_type::pointer p2 = a.allocate(5128); | |
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55 | a._M_set_options(t_small); |
56 | tune_type t3 = a._M_get_options(); | |
57 | VERIFY( t3._M_chunk_size != t_small._M_chunk_size ); | |
58 | VERIFY( t3._M_chunk_size == t_opt._M_chunk_size ); | |
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59 | |
60 | a.deallocate(p1, 128); | |
61 | a.deallocate(p2, 5128); | |
62 | } | |
63 | ||
64 | int main() | |
65 | { | |
66 | test01(); | |
67 | return 0; | |
68 | } |