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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [ext/] [mt_allocator/] [tune-4.cc] - Rev 742
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// 2004-08-25 Benjamin Kosnik <bkoz@redhat.com> // // Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. #include <testsuite_hooks.h> #include <memory> #include <ext/mt_allocator.h> // Tune characteristics, two of same type template<typename _Tp> struct test_policy { static bool per_type() { return true; } }; using __gnu_cxx::__pool; using __gnu_cxx::__common_pool_policy; template<> struct test_policy<__common_pool_policy<__pool, true> > { static bool per_type() { return false; } }; template<> struct test_policy<__common_pool_policy<__pool, false> > { static bool per_type() { return false; } }; struct pod2 { int i; int j; int k; }; // Tune characteristics, two of different instantiations template<typename _Tp, typename _Cp> void test04() { bool test __attribute__((unused)) = true; typedef __gnu_cxx::__pool_base::_Tune tune_type; typedef _Tp value_type; typedef _Cp policy_type; typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type; allocator_type a; tune_type t_default = a._M_get_options(); tune_type t_opt(32, 5120, 32, 5120, 20, 10, false); tune_type t_small(16, 1024, 32, 2048, 1, 10, false); // First instance of local type assured. tune_type t1 = t_default; if (test_policy<policy_type>::per_type()) { a._M_set_options(t_opt); t1 = a._M_get_options(); VERIFY( t1._M_align != t_default._M_align ); } // Lock tune settings. typename allocator_type::pointer p1 = a.allocate(128); typedef pod2 value2_type; typedef typename allocator_type::template rebind<value2_type>::other rebind_type; rebind_type a2; tune_type t2 = a2._M_get_options(); // Both policy_type and rebind_type::policy_type have same characteristics. if (test_policy<policy_type>::per_type()) { a2._M_set_options(t_opt); tune_type t = a2._M_get_options(); VERIFY( t2._M_align != t._M_align ); t2 = t; } typename rebind_type::pointer p2 = a2.allocate(5128); a2._M_set_options(t_small); tune_type t4 = a2._M_get_options(); VERIFY( t4._M_chunk_size != t_small._M_chunk_size ); VERIFY( t4._M_chunk_size == t2._M_chunk_size ); a.deallocate(p1, 128); a2.deallocate(p2, 5128); } int main() { #ifdef __GTHREADS test04<float, __gnu_cxx::__common_pool_policy<__pool, true> >(); test04<double, __gnu_cxx::__per_type_pool_policy<double, __pool, true> >(); #endif test04<float, __gnu_cxx::__common_pool_policy<__pool, false> >(); test04<double, __gnu_cxx::__per_type_pool_policy<double, __pool, false> >(); return 0; }