1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <map>
11
12 // class multimap
13
14 // iterator lower_bound(const key_type& k);
15 // const_iterator lower_bound(const key_type& k) const;
16
17 #include <map>
18 #include <cassert>
19
20 #include "min_allocator.h"
21 #include "private_constructor.hpp"
22 #include "is_transparent.h"
23
main()24 int main()
25 {
26 typedef std::pair<const int, double> V;
27 {
28 typedef std::multimap<int, double> M;
29 {
30 typedef M::iterator R;
31 V ar[] =
32 {
33 V(5, 1),
34 V(5, 2),
35 V(5, 3),
36 V(7, 1),
37 V(7, 2),
38 V(7, 3),
39 V(9, 1),
40 V(9, 2),
41 V(9, 3)
42 };
43 M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
44 R r = m.lower_bound(4);
45 assert(r == m.begin());
46 r = m.lower_bound(5);
47 assert(r == m.begin());
48 r = m.lower_bound(6);
49 assert(r == next(m.begin(), 3));
50 r = m.lower_bound(7);
51 assert(r == next(m.begin(), 3));
52 r = m.lower_bound(8);
53 assert(r == next(m.begin(), 6));
54 r = m.lower_bound(9);
55 assert(r == next(m.begin(), 6));
56 r = m.lower_bound(10);
57 assert(r == m.end());
58 }
59 {
60 typedef M::const_iterator R;
61 V ar[] =
62 {
63 V(5, 1),
64 V(5, 2),
65 V(5, 3),
66 V(7, 1),
67 V(7, 2),
68 V(7, 3),
69 V(9, 1),
70 V(9, 2),
71 V(9, 3)
72 };
73 const M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
74 R r = m.lower_bound(4);
75 assert(r == m.begin());
76 r = m.lower_bound(5);
77 assert(r == m.begin());
78 r = m.lower_bound(6);
79 assert(r == next(m.begin(), 3));
80 r = m.lower_bound(7);
81 assert(r == next(m.begin(), 3));
82 r = m.lower_bound(8);
83 assert(r == next(m.begin(), 6));
84 r = m.lower_bound(9);
85 assert(r == next(m.begin(), 6));
86 r = m.lower_bound(10);
87 assert(r == m.end());
88 }
89 }
90 #if __cplusplus >= 201103L
91 {
92 typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
93 {
94 typedef M::iterator R;
95 V ar[] =
96 {
97 V(5, 1),
98 V(5, 2),
99 V(5, 3),
100 V(7, 1),
101 V(7, 2),
102 V(7, 3),
103 V(9, 1),
104 V(9, 2),
105 V(9, 3)
106 };
107 M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
108 R r = m.lower_bound(4);
109 assert(r == m.begin());
110 r = m.lower_bound(5);
111 assert(r == m.begin());
112 r = m.lower_bound(6);
113 assert(r == next(m.begin(), 3));
114 r = m.lower_bound(7);
115 assert(r == next(m.begin(), 3));
116 r = m.lower_bound(8);
117 assert(r == next(m.begin(), 6));
118 r = m.lower_bound(9);
119 assert(r == next(m.begin(), 6));
120 r = m.lower_bound(10);
121 assert(r == m.end());
122 }
123 {
124 typedef M::const_iterator R;
125 V ar[] =
126 {
127 V(5, 1),
128 V(5, 2),
129 V(5, 3),
130 V(7, 1),
131 V(7, 2),
132 V(7, 3),
133 V(9, 1),
134 V(9, 2),
135 V(9, 3)
136 };
137 const M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
138 R r = m.lower_bound(4);
139 assert(r == m.begin());
140 r = m.lower_bound(5);
141 assert(r == m.begin());
142 r = m.lower_bound(6);
143 assert(r == next(m.begin(), 3));
144 r = m.lower_bound(7);
145 assert(r == next(m.begin(), 3));
146 r = m.lower_bound(8);
147 assert(r == next(m.begin(), 6));
148 r = m.lower_bound(9);
149 assert(r == next(m.begin(), 6));
150 r = m.lower_bound(10);
151 assert(r == m.end());
152 }
153 }
154 #endif
155 #if _LIBCPP_STD_VER > 11
156 {
157 typedef std::pair<const int, double> V;
158 typedef std::multimap<int, double, std::less<>> M;
159 typedef M::iterator R;
160 V ar[] =
161 {
162 V(5, 1),
163 V(5, 2),
164 V(5, 3),
165 V(7, 1),
166 V(7, 2),
167 V(7, 3),
168 V(9, 1),
169 V(9, 2),
170 V(9, 3)
171 };
172 M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
173 R r = m.lower_bound(4);
174 assert(r == m.begin());
175 r = m.lower_bound(5);
176 assert(r == m.begin());
177 r = m.lower_bound(6);
178 assert(r == next(m.begin(), 3));
179 r = m.lower_bound(7);
180 assert(r == next(m.begin(), 3));
181 r = m.lower_bound(8);
182 assert(r == next(m.begin(), 6));
183 r = m.lower_bound(9);
184 assert(r == next(m.begin(), 6));
185 r = m.lower_bound(10);
186 assert(r == m.end());
187
188 r = m.lower_bound(C2Int(4));
189 assert(r == m.begin());
190 r = m.lower_bound(C2Int(5));
191 assert(r == m.begin());
192 r = m.lower_bound(C2Int(6));
193 assert(r == next(m.begin(), 3));
194 r = m.lower_bound(C2Int(7));
195 assert(r == next(m.begin(), 3));
196 r = m.lower_bound(C2Int(8));
197 assert(r == next(m.begin(), 6));
198 r = m.lower_bound(C2Int(9));
199 assert(r == next(m.begin(), 6));
200 r = m.lower_bound(C2Int(10));
201 assert(r == m.end());
202 }
203
204 {
205 typedef PrivateConstructor PC;
206 typedef std::multimap<PC, double, std::less<>> M;
207 typedef M::iterator R;
208
209 M m;
210 m.insert ( std::make_pair<PC, double> ( PC::make(5), 1 ));
211 m.insert ( std::make_pair<PC, double> ( PC::make(5), 2 ));
212 m.insert ( std::make_pair<PC, double> ( PC::make(5), 3 ));
213 m.insert ( std::make_pair<PC, double> ( PC::make(7), 1 ));
214 m.insert ( std::make_pair<PC, double> ( PC::make(7), 2 ));
215 m.insert ( std::make_pair<PC, double> ( PC::make(7), 3 ));
216 m.insert ( std::make_pair<PC, double> ( PC::make(9), 1 ));
217 m.insert ( std::make_pair<PC, double> ( PC::make(9), 2 ));
218 m.insert ( std::make_pair<PC, double> ( PC::make(9), 3 ));
219
220 R r = m.lower_bound(4);
221 assert(r == m.begin());
222 r = m.lower_bound(5);
223 assert(r == m.begin());
224 r = m.lower_bound(6);
225 assert(r == next(m.begin(), 3));
226 r = m.lower_bound(7);
227 assert(r == next(m.begin(), 3));
228 r = m.lower_bound(8);
229 assert(r == next(m.begin(), 6));
230 r = m.lower_bound(9);
231 assert(r == next(m.begin(), 6));
232 r = m.lower_bound(10);
233 assert(r == m.end());
234 }
235
236 #endif
237 }
238