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1 | // 2004-08-25 Benjamin Kosnik <bkoz@redhat.com> |
2 | // | |
a5544970 | 3 | // Copyright (C) 2004-2019 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 | |
3641bd55 | 20 | #include <testsuite_hooks.h> |
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21 | #include <memory> |
22 | #include <ext/mt_allocator.h> | |
23 | ||
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24 | // Tune characteristics, two of same type |
25 | template<typename _Tp> | |
26 | struct test_policy | |
27 | { static bool per_type() { return true; } }; | |
28 | ||
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29 | using __gnu_cxx::__pool; |
30 | using __gnu_cxx::__common_pool_policy; | |
31 | ||
32 | template<> | |
33 | struct test_policy<__common_pool_policy<__pool, true> > | |
34 | { static bool per_type() { return false; } }; | |
35 | ||
36 | template<> | |
37 | struct test_policy<__common_pool_policy<__pool, false> > | |
38 | { static bool per_type() { return false; } }; | |
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39 | |
40 | // Tune characteristics, two of different types | |
41 | template<typename _Tp, typename _Cp> | |
42 | void test03() | |
43 | { | |
44 | typedef __gnu_cxx::__pool_base::_Tune tune_type; | |
45 | typedef _Tp value_type; | |
46 | typedef _Cp policy_type; | |
47 | typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type; | |
48 | ||
8bfd0a46 | 49 | allocator_type a; |
61b26514 | 50 | tune_type t_default = a._M_get_options(); |
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51 | tune_type t_opt(32, 5120, 32, 5120, 20, 10, false); |
52 | tune_type t_small(16, 1024, 32, 2048, 1, 10, false); | |
53 | ||
54 | // First instances assured. | |
61b26514 | 55 | tune_type t1 = t_default; |
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56 | if (test_policy<policy_type>::per_type()) |
57 | { | |
8bfd0a46 | 58 | a._M_set_options(t_opt); |
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59 | t1 = a._M_get_options(); |
60 | VERIFY( t1._M_align != t_default._M_align ); | |
8bfd0a46 | 61 | } |
8bfd0a46 | 62 | |
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63 | // Lock tune settings. |
64 | typename allocator_type::pointer p1 = a.allocate(128); | |
65 | ||
66 | allocator_type a2; | |
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67 | tune_type t2 = a2._M_get_options(); |
68 | VERIFY( t2._M_chunk_size == t1._M_chunk_size ); | |
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69 | |
70 | typename allocator_type::pointer p2 = a2.allocate(5128); | |
71 | ||
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72 | a2._M_set_options(t_small); |
73 | tune_type t3 = a2._M_get_options(); | |
74 | VERIFY( t3._M_chunk_size != t_small._M_chunk_size ); | |
75 | VERIFY( t3._M_chunk_size == t2._M_chunk_size ); | |
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76 | |
77 | a.deallocate(p1, 128); | |
78 | a2.deallocate(p2, 5128); | |
79 | } | |
80 | ||
81 | int main() | |
82 | { | |
83 | #ifdef __GTHREADS | |
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84 | test03<int, __gnu_cxx::__per_type_pool_policy<int, __pool, true> >(); |
85 | test03<int, __gnu_cxx::__common_pool_policy<__pool, true> >(); | |
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86 | #endif |
87 | ||
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88 | test03<int, __gnu_cxx::__per_type_pool_policy<int, __pool, false> >(); |
89 | test03<int, __gnu_cxx::__common_pool_policy<__pool, false> >(); | |
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90 | |
91 | return 0; | |
92 | } |