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1 | // 2004-08-25 Benjamin Kosnik <bkoz@redhat.com> |
2 | // | |
8d4addde | 3 | // Copyright (C) 2004, 2005 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 | |
83f51799 | 18 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
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19 | // USA. |
20 | ||
3641bd55 | 21 | #include <testsuite_hooks.h> |
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22 | #include <memory> |
23 | #include <ext/mt_allocator.h> | |
24 | ||
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25 | // Tune characteristics, two of same type |
26 | template<typename _Tp> | |
27 | struct test_policy | |
28 | { static bool per_type() { return true; } }; | |
29 | ||
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30 | using __gnu_cxx::__pool; |
31 | using __gnu_cxx::__common_pool_policy; | |
32 | ||
33 | template<> | |
34 | struct test_policy<__common_pool_policy<__pool, true> > | |
35 | { static bool per_type() { return false; } }; | |
36 | ||
37 | template<> | |
38 | struct test_policy<__common_pool_policy<__pool, false> > | |
39 | { static bool per_type() { return false; } }; | |
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40 | |
41 | struct pod2 | |
42 | { | |
43 | int i; | |
44 | int j; | |
61b26514 | 45 | int k; |
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46 | }; |
47 | ||
48 | // Tune characteristics, two of different instantiations | |
49 | template<typename _Tp, typename _Cp> | |
50 | void test04() | |
51 | { | |
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52 | bool test __attribute__((unused)) = true; |
53 | ||
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54 | typedef __gnu_cxx::__pool_base::_Tune tune_type; |
55 | typedef _Tp value_type; | |
56 | typedef _Cp policy_type; | |
8bfd0a46 | 57 | typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type; |
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58 | |
59 | allocator_type a; | |
61b26514 | 60 | tune_type t_default = a._M_get_options(); |
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61 | tune_type t_opt(32, 5120, 32, 5120, 20, 10, false); |
62 | tune_type t_small(16, 1024, 32, 2048, 1, 10, false); | |
63 | ||
64 | // First instance of local type assured. | |
61b26514 | 65 | tune_type t1 = t_default; |
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66 | if (test_policy<policy_type>::per_type()) |
67 | { | |
8bfd0a46 | 68 | a._M_set_options(t_opt); |
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69 | t1 = a._M_get_options(); |
70 | VERIFY( t1._M_align != t_default._M_align ); | |
8bfd0a46 | 71 | } |
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72 | |
73 | // Lock tune settings. | |
74 | typename allocator_type::pointer p1 = a.allocate(128); | |
75 | ||
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76 | typedef pod2 value2_type; |
77 | typedef typename allocator_type::template rebind<value2_type>::other rebind_type; | |
78 | ||
79 | rebind_type a2; | |
8d4addde | 80 | tune_type t2 = a2._M_get_options(); |
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81 | |
82 | // Both policy_type and rebind_type::policy_type have same characteristics. | |
83 | if (test_policy<policy_type>::per_type()) | |
84 | { | |
8bfd0a46 | 85 | a2._M_set_options(t_opt); |
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86 | tune_type t = a2._M_get_options(); |
87 | VERIFY( t2._M_align != t._M_align ); | |
88 | t2 = t; | |
8bfd0a46 | 89 | } |
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90 | |
91 | typename rebind_type::pointer p2 = a2.allocate(5128); | |
92 | ||
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93 | a2._M_set_options(t_small); |
94 | tune_type t4 = a2._M_get_options(); | |
95 | VERIFY( t4._M_chunk_size != t_small._M_chunk_size ); | |
96 | VERIFY( t4._M_chunk_size == t2._M_chunk_size ); | |
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97 | |
98 | a.deallocate(p1, 128); | |
99 | a2.deallocate(p2, 5128); | |
100 | } | |
101 | ||
102 | int main() | |
103 | { | |
104 | #ifdef __GTHREADS | |
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105 | test04<float, __gnu_cxx::__common_pool_policy<__pool, true> >(); |
106 | test04<double, __gnu_cxx::__per_type_pool_policy<double, __pool, true> >(); | |
8bfd0a46 | 107 | #endif |
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108 | test04<float, __gnu_cxx::__common_pool_policy<__pool, false> >(); |
109 | test04<double, __gnu_cxx::__per_type_pool_policy<double, __pool, false> >(); | |
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110 | |
111 | return 0; | |
112 | } |