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// 2004-08-25 Benjamin Kosnik <bkoz@redhat.com>
//
// Copyright (C) 2004-2022 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; } };
// Tune characteristics, two of different types
template<typename _Tp, typename _Cp>
void test03()
{
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 instances 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);
allocator_type a2;
tune_type t2 = a2._M_get_options();
VERIFY( t2._M_chunk_size == t1._M_chunk_size );
typename allocator_type::pointer p2 = a2.allocate(5128);
a2._M_set_options(t_small);
tune_type t3 = a2._M_get_options();
VERIFY( t3._M_chunk_size != t_small._M_chunk_size );
VERIFY( t3._M_chunk_size == t2._M_chunk_size );
a.deallocate(p1, 128);
a2.deallocate(p2, 5128);
}
int main()
{
#ifdef __GTHREADS
test03<int, __gnu_cxx::__per_type_pool_policy<int, __pool, true> >();
test03<int, __gnu_cxx::__common_pool_policy<__pool, true> >();
#endif
test03<int, __gnu_cxx::__per_type_pool_policy<int, __pool, false> >();
test03<int, __gnu_cxx::__common_pool_policy<__pool, false> >();
return 0;
}