1// 2004-08-25 Benjamin Kosnik <bkoz@redhat.com> 2// 3// Copyright (C) 2004, 2005 Free Software Foundation, Inc. 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21#include <testsuite_hooks.h> 22#include <memory> 23#include <ext/mt_allocator.h> 24 25// Tune characteristics, two of same type 26template<typename _Tp> 27struct test_policy 28{ static bool per_type() { return true; } }; 29 30using __gnu_cxx::__pool; 31using __gnu_cxx::__common_pool_policy; 32 33template<> 34struct test_policy<__common_pool_policy<__pool, true> > 35{ static bool per_type() { return false; } }; 36 37template<> 38struct test_policy<__common_pool_policy<__pool, false> > 39{ static bool per_type() { return false; } }; 40 41// Tune characteristics, two of different types 42template<typename _Tp, typename _Cp> 43void test03() 44{ 45 bool test __attribute__((unused)) = true; 46 47 typedef __gnu_cxx::__pool_base::_Tune tune_type; 48 typedef _Tp value_type; 49 typedef _Cp policy_type; 50 typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type; 51 52 allocator_type a; 53 tune_type t_default = a._M_get_options(); 54 tune_type t_opt(32, 5120, 32, 5120, 20, 10, false); 55 tune_type t_small(16, 1024, 32, 2048, 1, 10, false); 56 57 // First instances assured. 58 tune_type t1 = t_default; 59 if (test_policy<policy_type>::per_type()) 60 { 61 a._M_set_options(t_opt); 62 t1 = a._M_get_options(); 63 VERIFY( t1._M_align != t_default._M_align ); 64 } 65 66 // Lock tune settings. 67 typename allocator_type::pointer p1 = a.allocate(128); 68 69 allocator_type a2; 70 tune_type t2 = a2._M_get_options(); 71 VERIFY( t2._M_chunk_size == t1._M_chunk_size ); 72 73 typename allocator_type::pointer p2 = a2.allocate(5128); 74 75 a2._M_set_options(t_small); 76 tune_type t3 = a2._M_get_options(); 77 VERIFY( t3._M_chunk_size != t_small._M_chunk_size ); 78 VERIFY( t3._M_chunk_size == t2._M_chunk_size ); 79 80 a.deallocate(p1, 128); 81 a2.deallocate(p2, 5128); 82} 83 84int main() 85{ 86#ifdef __GTHREADS 87 test03<int, __gnu_cxx::__per_type_pool_policy<int, __pool, true> >(); 88 test03<int, __gnu_cxx::__common_pool_policy<__pool, true> >(); 89#endif 90 91 test03<int, __gnu_cxx::__per_type_pool_policy<int, __pool, false> >(); 92 test03<int, __gnu_cxx::__common_pool_policy<__pool, false> >(); 93 94 return 0; 95} 96