3 // Copyright (C) 2005-2013 Free Software Foundation, Inc.
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 terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
23 // Permission to use, copy, modify, sell, and distribute this software
24 // is hereby granted without fee, provided that the above copyright
25 // notice appears in all copies, and that both that copyright notice
26 // and this permission notice appear in supporting documentation. None
27 // of the above authors, nor IBM Haifa Research Laboratories, make any
28 // representation about the suitability of this software for any
29 // purpose. It is provided "as is" without express or implied
33 * @file erase_test.hpp
34 * Contains a generic erase test.
37 #ifndef PB_DS_ERASE_TEST_HPP
38 #define PB_DS_ERASE_TEST_HPP
41 #include <testsuite_allocator.h>
42 #include <ext/pb_ds/detail/type_utils.hpp>
43 #include <performance/io/xml_formatter.hpp>
44 #include <common_type/assoc/string_form.hpp>
54 erase_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm)
55 : m_ins_b(ins_b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), m_ins_vm(ins_vm)
58 template<typename Cntnr>
63 erase_test(const erase_test&);
66 const size_t m_ins_vn;
67 const size_t m_ins_vs;
68 const size_t m_ins_vm;
72 template<typename Cntnr>
77 typedef string_form<Cntnr> sform_type;
78 typedef xml_result_set_performance_formatter formatter_type;
79 formatter_type res_set_fmt(sform_type::name(), sform_type::desc());
81 for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
83 const size_t ins_size = m_ins_vn + i * m_ins_vs;
85 It ins_it_b = m_ins_b;
86 It ins_it_e = m_ins_b;
87 std::advance(ins_it_e, ins_size);
89 typedef __gnu_test::tracker_allocator_counter counter_type;
90 __gnu_test::tracker_allocator<char> alloc;
91 const size_t init_mem = counter_type::get_allocation_count()
92 - counter_type::get_deallocation_count();
93 Cntnr cntnr(ins_it_b, ins_it_e);
95 while (cntnr.size() > 1)
96 cntnr.erase(*cntnr.begin());
98 const size_t final_mem = counter_type::get_allocation_count()
99 - counter_type::get_deallocation_count();
100 assert(final_mem > init_mem);
101 const size_t delta_mem = final_mem - init_mem;
102 res_set_fmt.add_res(ins_size, static_cast<double>(delta_mem));
106 } // namespace __gnu_pbds