1// -*- C++ -*-
2
3// Copyright (C) 2005-2015 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 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
9// version.
10
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.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23// <http://www.gnu.org/licenses/>.
24
25// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
26
27// Permission to use, copy, modify, sell, and distribute this software
28// is hereby granted without fee, provided that the above copyright
29// notice appears in all copies, and that both that copyright notice
30// and this permission notice appear in supporting documentation. None
31// of the above authors, nor IBM Haifa Research Laboratories, make any
32// representation about the suitability of this software for any
33// purpose. It is provided "as is" without express or implied
34// warranty.
35
36/**
37 * @file bin_search_tree_/debug_fn_imps.hpp
38 * Contains an implementation class for bin_search_tree_.
39 */
40
41#ifdef _GLIBCXX_DEBUG
42
43PB_DS_CLASS_T_DEC
44void
45PB_DS_CLASS_C_DEC::
46assert_valid(const char* __file, int __line) const
47{
48  structure_only_assert_valid(__file, __line);
49  assert_consistent_with_debug_base(__file, __line);
50  assert_size(__file, __line);
51  assert_iterators(__file, __line);
52  if (m_p_head->m_p_parent == 0)
53    {
54      PB_DS_DEBUG_VERIFY(m_size == 0);
55    }
56  else
57    {
58      PB_DS_DEBUG_VERIFY(m_size > 0);
59    }
60}
61
62PB_DS_CLASS_T_DEC
63void
64PB_DS_CLASS_C_DEC::
65structure_only_assert_valid(const char* __file, int __line) const
66{
67  PB_DS_DEBUG_VERIFY(m_p_head != 0);
68  if (m_p_head->m_p_parent == 0)
69    {
70      PB_DS_DEBUG_VERIFY(m_p_head->m_p_left == m_p_head);
71      PB_DS_DEBUG_VERIFY(m_p_head->m_p_right == m_p_head);
72    }
73  else
74    {
75      PB_DS_DEBUG_VERIFY(m_p_head->m_p_parent->m_p_parent == m_p_head);
76      PB_DS_DEBUG_VERIFY(m_p_head->m_p_left != m_p_head);
77      PB_DS_DEBUG_VERIFY(m_p_head->m_p_right != m_p_head);
78    }
79
80  if (m_p_head->m_p_parent != 0)
81    assert_node_consistent(m_p_head->m_p_parent, __file, __line);
82  assert_min(__file, __line);
83  assert_max(__file, __line);
84}
85
86PB_DS_CLASS_T_DEC
87void
88PB_DS_CLASS_C_DEC::
89assert_node_consistent(const node_pointer p_nd,
90		       const char* __file, int __line) const
91{
92  assert_node_consistent_(p_nd, __file, __line);
93}
94
95PB_DS_CLASS_T_DEC
96typename PB_DS_CLASS_C_DEC::node_consistent_t
97PB_DS_CLASS_C_DEC::
98assert_node_consistent_(const node_pointer p_nd,
99			const char* __file, int __line) const
100{
101  if (p_nd == 0)
102    return (std::make_pair((const_pointer)0,(const_pointer)0));
103
104  assert_node_consistent_with_left(p_nd, __file, __line);
105  assert_node_consistent_with_right(p_nd, __file, __line);
106
107  const std::pair<const_pointer, const_pointer>
108    l_range = assert_node_consistent_(p_nd->m_p_left, __file, __line);
109
110  if (l_range.second != 0)
111    PB_DS_DEBUG_VERIFY(Cmp_Fn::operator()(PB_DS_V2F(*l_range.second),
112					  PB_DS_V2F(p_nd->m_value)));
113
114  const std::pair<const_pointer, const_pointer>
115    r_range = assert_node_consistent_(p_nd->m_p_right, __file, __line);
116
117  if (r_range.first != 0)
118    PB_DS_DEBUG_VERIFY(Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value),
119					     PB_DS_V2F(*r_range.first)));
120
121  return std::make_pair((l_range.first != 0) ? l_range.first : &p_nd->m_value,
122			(r_range.second != 0)? r_range.second : &p_nd->m_value);
123}
124
125PB_DS_CLASS_T_DEC
126void
127PB_DS_CLASS_C_DEC::
128assert_node_consistent_with_left(const node_pointer p_nd,
129				 const char* __file, int __line) const
130{
131  if (p_nd->m_p_left == 0)
132    return;
133  PB_DS_DEBUG_VERIFY(p_nd->m_p_left->m_p_parent == p_nd);
134  PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value),
135					 PB_DS_V2F(p_nd->m_p_left->m_value)));
136}
137
138PB_DS_CLASS_T_DEC
139void
140PB_DS_CLASS_C_DEC::
141assert_node_consistent_with_right(const node_pointer p_nd,
142				  const char* __file, int __line) const
143{
144  if (p_nd->m_p_right == 0)
145    return;
146  PB_DS_DEBUG_VERIFY(p_nd->m_p_right->m_p_parent == p_nd);
147  PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_p_right->m_value),
148					 PB_DS_V2F(p_nd->m_value)));
149}
150
151PB_DS_CLASS_T_DEC
152void
153PB_DS_CLASS_C_DEC::
154assert_min(const char* __file, int __line) const
155{
156  assert_min_imp(m_p_head->m_p_parent, __file, __line);
157}
158
159PB_DS_CLASS_T_DEC
160void
161PB_DS_CLASS_C_DEC::
162assert_min_imp(const node_pointer p_nd, const char* __file, int __line) const
163{
164  if (p_nd == 0)
165    {
166      PB_DS_DEBUG_VERIFY(m_p_head->m_p_left == m_p_head);
167      return;
168    }
169
170  if (p_nd->m_p_left == 0)
171    {
172      PB_DS_DEBUG_VERIFY(p_nd == m_p_head->m_p_left);
173      return;
174    }
175  assert_min_imp(p_nd->m_p_left, __file, __line);
176}
177
178PB_DS_CLASS_T_DEC
179void
180PB_DS_CLASS_C_DEC::
181assert_max(const char* __file, int __line) const
182{
183  assert_max_imp(m_p_head->m_p_parent, __file, __line);
184}
185
186PB_DS_CLASS_T_DEC
187void
188PB_DS_CLASS_C_DEC::
189assert_max_imp(const node_pointer p_nd,
190	       const char* __file, int __line) const
191{
192  if (p_nd == 0)
193    {
194      PB_DS_DEBUG_VERIFY(m_p_head->m_p_right == m_p_head);
195      return;
196    }
197
198  if (p_nd->m_p_right == 0)
199    {
200      PB_DS_DEBUG_VERIFY(p_nd == m_p_head->m_p_right);
201      return;
202    }
203
204  assert_max_imp(p_nd->m_p_right, __file, __line);
205}
206
207PB_DS_CLASS_T_DEC
208void
209PB_DS_CLASS_C_DEC::
210assert_iterators(const char* __file, int __line) const
211{
212  size_type iterated_num = 0;
213  const_iterator prev_it = end();
214  for (const_iterator it = begin(); it != end(); ++it)
215    {
216      ++iterated_num;
217      PB_DS_DEBUG_VERIFY(lower_bound(PB_DS_V2F(*it)).m_p_nd == it.m_p_nd);
218      const_iterator upper_bound_it = upper_bound(PB_DS_V2F(*it));
219      --upper_bound_it;
220      PB_DS_DEBUG_VERIFY(upper_bound_it.m_p_nd == it.m_p_nd);
221
222      if (prev_it != end())
223	PB_DS_DEBUG_VERIFY(Cmp_Fn::operator()(PB_DS_V2F(*prev_it),
224					      PB_DS_V2F(*it)));
225      prev_it = it;
226    }
227
228  PB_DS_DEBUG_VERIFY(iterated_num == m_size);
229  size_type reverse_iterated_num = 0;
230  const_reverse_iterator reverse_prev_it = rend();
231  for (const_reverse_iterator reverse_it = rbegin(); reverse_it != rend();
232       ++reverse_it)
233    {
234      ++reverse_iterated_num;
235      PB_DS_DEBUG_VERIFY(lower_bound(
236				   PB_DS_V2F(*reverse_it)).m_p_nd == reverse_it.m_p_nd);
237
238      const_iterator upper_bound_it = upper_bound(PB_DS_V2F(*reverse_it));
239      --upper_bound_it;
240      PB_DS_DEBUG_VERIFY(upper_bound_it.m_p_nd == reverse_it.m_p_nd);
241      if (reverse_prev_it != rend())
242	PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(PB_DS_V2F(*reverse_prev_it),
243					       PB_DS_V2F(*reverse_it)));
244      reverse_prev_it = reverse_it;
245    }
246  PB_DS_DEBUG_VERIFY(reverse_iterated_num == m_size);
247}
248
249PB_DS_CLASS_T_DEC
250void
251PB_DS_CLASS_C_DEC::
252assert_consistent_with_debug_base(const char* __file, int __line) const
253{
254  debug_base::check_size(m_size, __file, __line);
255  assert_consistent_with_debug_base(m_p_head->m_p_parent, __file, __line);
256}
257
258PB_DS_CLASS_T_DEC
259void
260PB_DS_CLASS_C_DEC::
261assert_consistent_with_debug_base(const node_pointer p_nd,
262				  const char* __file, int __line) const
263{
264  if (p_nd == 0)
265    return;
266  debug_base::check_key_exists(PB_DS_V2F(p_nd->m_value), __file, __line);
267  assert_consistent_with_debug_base(p_nd->m_p_left, __file, __line);
268  assert_consistent_with_debug_base(p_nd->m_p_right, __file, __line);
269}
270
271PB_DS_CLASS_T_DEC
272void
273PB_DS_CLASS_C_DEC::
274assert_size(const char* __file, int __line) const
275{ PB_DS_DEBUG_VERIFY(recursive_count(m_p_head->m_p_parent) == m_size); }
276
277#endif
278