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8ca34f01 | 1 | // 2004-08-25 Benjamin Kosnik <bkoz@redhat.com> |
2 | // | |
f1717362 | 3 | // Copyright (C) 2004-2016 Free Software Foundation, Inc. |
8ca34f01 | 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 | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
8ca34f01 | 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 | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
8ca34f01 | 19 | |
7ebaa665 | 20 | #include <testsuite_hooks.h> |
8ca34f01 | 21 | #include <memory> |
22 | #include <ext/mt_allocator.h> | |
23 | ||
8ca34f01 | 24 | // Tune characteristics, two of same type |
25 | template<typename _Tp> | |
26 | struct test_policy | |
27 | { static bool per_type() { return true; } }; | |
28 | ||
a459004d | 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; } }; | |
8ca34f01 | 39 | |
40 | struct pod2 | |
41 | { | |
42 | int i; | |
43 | int j; | |
8c2773e5 | 44 | int k; |
8ca34f01 | 45 | }; |
46 | ||
47 | // Tune characteristics, two of different instantiations | |
48 | template<typename _Tp, typename _Cp> | |
49 | void test04() | |
50 | { | |
7ebaa665 | 51 | bool test __attribute__((unused)) = true; |
52 | ||
8ca34f01 | 53 | typedef __gnu_cxx::__pool_base::_Tune tune_type; |
54 | typedef _Tp value_type; | |
55 | typedef _Cp policy_type; | |
8ca34f01 | 56 | typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type; |
8ca34f01 | 57 | |
58 | allocator_type a; | |
8c2773e5 | 59 | tune_type t_default = a._M_get_options(); |
375daafd | 60 | tune_type t_opt(32, 5120, 32, 5120, 20, 10, false); |
61 | tune_type t_small(16, 1024, 32, 2048, 1, 10, false); | |
62 | ||
63 | // First instance of local type assured. | |
8c2773e5 | 64 | tune_type t1 = t_default; |
8ca34f01 | 65 | if (test_policy<policy_type>::per_type()) |
66 | { | |
8ca34f01 | 67 | a._M_set_options(t_opt); |
375daafd | 68 | t1 = a._M_get_options(); |
69 | VERIFY( t1._M_align != t_default._M_align ); | |
8ca34f01 | 70 | } |
8ca34f01 | 71 | |
72 | // Lock tune settings. | |
73 | typename allocator_type::pointer p1 = a.allocate(128); | |
74 | ||
8ca34f01 | 75 | typedef pod2 value2_type; |
76 | typedef typename allocator_type::template rebind<value2_type>::other rebind_type; | |
77 | ||
78 | rebind_type a2; | |
375daafd | 79 | tune_type t2 = a2._M_get_options(); |
8ca34f01 | 80 | |
81 | // Both policy_type and rebind_type::policy_type have same characteristics. | |
82 | if (test_policy<policy_type>::per_type()) | |
83 | { | |
8ca34f01 | 84 | a2._M_set_options(t_opt); |
375daafd | 85 | tune_type t = a2._M_get_options(); |
86 | VERIFY( t2._M_align != t._M_align ); | |
87 | t2 = t; | |
8ca34f01 | 88 | } |
8ca34f01 | 89 | |
90 | typename rebind_type::pointer p2 = a2.allocate(5128); | |
91 | ||
375daafd | 92 | a2._M_set_options(t_small); |
93 | tune_type t4 = a2._M_get_options(); | |
94 | VERIFY( t4._M_chunk_size != t_small._M_chunk_size ); | |
95 | VERIFY( t4._M_chunk_size == t2._M_chunk_size ); | |
8ca34f01 | 96 | |
97 | a.deallocate(p1, 128); | |
98 | a2.deallocate(p2, 5128); | |
99 | } | |
100 | ||
101 | int main() | |
102 | { | |
103 | #ifdef __GTHREADS | |
a459004d | 104 | test04<float, __gnu_cxx::__common_pool_policy<__pool, true> >(); |
105 | test04<double, __gnu_cxx::__per_type_pool_policy<double, __pool, true> >(); | |
8ca34f01 | 106 | #endif |
a459004d | 107 | test04<float, __gnu_cxx::__common_pool_policy<__pool, false> >(); |
108 | test04<double, __gnu_cxx::__per_type_pool_policy<double, __pool, false> >(); | |
8ca34f01 | 109 | |
110 | return 0; | |
111 | } |