diff options
Diffstat (limited to 'libstdc++-v3/testsuite/ext/mt_allocator/tune-1.cc')
-rw-r--r-- | libstdc++-v3/testsuite/ext/mt_allocator/tune-1.cc | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/ext/mt_allocator/tune-1.cc b/libstdc++-v3/testsuite/ext/mt_allocator/tune-1.cc new file mode 100644 index 000000000..9630accbe --- /dev/null +++ b/libstdc++-v3/testsuite/ext/mt_allocator/tune-1.cc @@ -0,0 +1,70 @@ +// 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 <memory> +#include <ext/mt_allocator.h> +#include <testsuite_hooks.h> +#include <testsuite_character.h> + +#ifdef __GTHREADS +#define __cxxthread true +#else +#define __cxxthread false +#endif + +// Tune characteristics. +// __common_pool_policy +void test01() +{ + bool test __attribute__((unused)) = true; + + using __gnu_cxx::__pool; + using __gnu_cxx::__common_pool_policy; + + typedef __gnu_test::pod_int value_type; + typedef __common_pool_policy<__pool, __cxxthread> policy_type; + typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type; + typedef __gnu_cxx::__pool_base::_Tune tune_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); + + tune_type t1 = t_default; + a._M_set_options(t_opt); + tune_type t2 = a._M_get_options(); + VERIFY( t1._M_align != t2._M_align ); + + allocator_type::pointer p1 = a.allocate(128); + allocator_type::pointer p2 = a.allocate(5128); + a._M_set_options(t_small); + tune_type t3 = a._M_get_options(); + VERIFY( t3._M_chunk_size != t_small._M_chunk_size ); + VERIFY( t3._M_chunk_size == t_opt._M_chunk_size ); + + a.deallocate(p1, 128); + a.deallocate(p2, 5128); +} + +int main() +{ + test01(); + return 0; +} |