1 | //===----------------------------------------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | // <map> |
10 | |
11 | // class multimap |
12 | |
13 | // iterator begin(); |
14 | // const_iterator begin() const; |
15 | // iterator end(); |
16 | // const_iterator end() const; |
17 | // |
18 | // reverse_iterator rbegin(); |
19 | // const_reverse_iterator rbegin() const; |
20 | // reverse_iterator rend(); |
21 | // const_reverse_iterator rend() const; |
22 | // |
23 | // const_iterator cbegin() const; |
24 | // const_iterator cend() const; |
25 | // const_reverse_iterator crbegin() const; |
26 | // const_reverse_iterator crend() const; |
27 | |
28 | #include <map> |
29 | #include <cassert> |
30 | #include <cstddef> |
31 | |
32 | #include "test_macros.h" |
33 | #include "min_allocator.h" |
34 | |
35 | int main(int, char**) { |
36 | { |
37 | typedef std::pair<const int, double> V; |
38 | V ar[] = {V(1, 1), V(1, 1.5), V(1, 2), V(2, 1), V(2, 1.5), V(2, 2), V(3, 1), V(3, 1.5), |
39 | V(3, 2), V(4, 1), V(4, 1.5), V(4, 2), V(5, 1), V(5, 1.5), V(5, 2), V(6, 1), |
40 | V(6, 1.5), V(6, 2), V(7, 1), V(7, 1.5), V(7, 2), V(8, 1), V(8, 1.5), V(8, 2)}; |
41 | std::multimap<int, double> m(ar, ar + sizeof(ar) / sizeof(ar[0])); |
42 | assert(static_cast<std::size_t>(std::distance(m.begin(), m.end())) == m.size()); |
43 | assert(static_cast<std::size_t>(std::distance(m.rbegin(), m.rend())) == m.size()); |
44 | std::multimap<int, double>::iterator i; |
45 | i = m.begin(); |
46 | std::multimap<int, double>::const_iterator k = i; |
47 | assert(i == k); |
48 | for (int j = 1; j <= 8; ++j) |
49 | for (double d = 1; d <= 2; d += .5, ++i) { |
50 | assert(i->first == j); |
51 | assert(i->second == d); |
52 | i->second = 2.5; |
53 | assert(i->second == 2.5); |
54 | } |
55 | assert(i == m.end()); |
56 | for (int j = 8; j >= 1; --j) |
57 | for (double d = 1; d <= 2; d += .5) { |
58 | --i; |
59 | assert(i->first == j); |
60 | assert(i->second == 2.5); |
61 | i->second = d; |
62 | assert(i->second == d); |
63 | } |
64 | assert(i == m.begin()); |
65 | } |
66 | { |
67 | typedef std::pair<const int, double> V; |
68 | V ar[] = {V(1, 1), V(1, 1.5), V(1, 2), V(2, 1), V(2, 1.5), V(2, 2), V(3, 1), V(3, 1.5), |
69 | V(3, 2), V(4, 1), V(4, 1.5), V(4, 2), V(5, 1), V(5, 1.5), V(5, 2), V(6, 1), |
70 | V(6, 1.5), V(6, 2), V(7, 1), V(7, 1.5), V(7, 2), V(8, 1), V(8, 1.5), V(8, 2)}; |
71 | const std::multimap<int, double> m(ar, ar + sizeof(ar) / sizeof(ar[0])); |
72 | assert(static_cast<std::size_t>(std::distance(m.begin(), m.end())) == m.size()); |
73 | assert(static_cast<std::size_t>(std::distance(m.cbegin(), m.cend())) == m.size()); |
74 | assert(static_cast<std::size_t>(std::distance(m.rbegin(), m.rend())) == m.size()); |
75 | assert(static_cast<std::size_t>(std::distance(m.crbegin(), m.crend())) == m.size()); |
76 | std::multimap<int, double>::const_iterator i; |
77 | i = m.begin(); |
78 | for (int j = 1; j <= 8; ++j) |
79 | for (double d = 1; d <= 2; d += .5, ++i) { |
80 | assert(i->first == j); |
81 | assert(i->second == d); |
82 | } |
83 | assert(i == m.end()); |
84 | for (int j = 8; j >= 1; --j) |
85 | for (double d = 2; d >= 1; d -= .5) { |
86 | --i; |
87 | assert(i->first == j); |
88 | assert(i->second == d); |
89 | } |
90 | assert(i == m.begin()); |
91 | } |
92 | #if TEST_STD_VER >= 11 |
93 | { |
94 | typedef std::pair<const int, double> V; |
95 | V ar[] = {V(1, 1), V(1, 1.5), V(1, 2), V(2, 1), V(2, 1.5), V(2, 2), V(3, 1), V(3, 1.5), |
96 | V(3, 2), V(4, 1), V(4, 1.5), V(4, 2), V(5, 1), V(5, 1.5), V(5, 2), V(6, 1), |
97 | V(6, 1.5), V(6, 2), V(7, 1), V(7, 1.5), V(7, 2), V(8, 1), V(8, 1.5), V(8, 2)}; |
98 | std::multimap<int, double, std::less<int>, min_allocator<V>> m(ar, ar + sizeof(ar) / sizeof(ar[0])); |
99 | assert(static_cast<std::size_t>(std::distance(m.begin(), m.end())) == m.size()); |
100 | assert(static_cast<std::size_t>(std::distance(m.rbegin(), m.rend())) == m.size()); |
101 | std::multimap<int, double, std::less<int>, min_allocator<V>>::iterator i; |
102 | i = m.begin(); |
103 | std::multimap<int, double, std::less<int>, min_allocator<V>>::const_iterator k = i; |
104 | assert(i == k); |
105 | for (int j = 1; j <= 8; ++j) |
106 | for (double d = 1; d <= 2; d += .5, ++i) { |
107 | assert(i->first == j); |
108 | assert(i->second == d); |
109 | i->second = 2.5; |
110 | assert(i->second == 2.5); |
111 | } |
112 | assert(i == m.end()); |
113 | for (int j = 8; j >= 1; --j) |
114 | for (double d = 1; d <= 2; d += .5) { |
115 | --i; |
116 | assert(i->first == j); |
117 | assert(i->second == 2.5); |
118 | i->second = d; |
119 | assert(i->second == d); |
120 | } |
121 | assert(i == m.begin()); |
122 | } |
123 | { |
124 | typedef std::pair<const int, double> V; |
125 | V ar[] = {V(1, 1), V(1, 1.5), V(1, 2), V(2, 1), V(2, 1.5), V(2, 2), V(3, 1), V(3, 1.5), |
126 | V(3, 2), V(4, 1), V(4, 1.5), V(4, 2), V(5, 1), V(5, 1.5), V(5, 2), V(6, 1), |
127 | V(6, 1.5), V(6, 2), V(7, 1), V(7, 1.5), V(7, 2), V(8, 1), V(8, 1.5), V(8, 2)}; |
128 | const std::multimap<int, double, std::less<int>, min_allocator<V>> m(ar, ar + sizeof(ar) / sizeof(ar[0])); |
129 | assert(static_cast<std::size_t>(std::distance(m.begin(), m.end())) == m.size()); |
130 | assert(static_cast<std::size_t>(std::distance(m.cbegin(), m.cend())) == m.size()); |
131 | assert(static_cast<std::size_t>(std::distance(m.rbegin(), m.rend())) == m.size()); |
132 | assert(static_cast<std::size_t>(std::distance(m.crbegin(), m.crend())) == m.size()); |
133 | std::multimap<int, double, std::less<int>, min_allocator<V>>::const_iterator i; |
134 | i = m.begin(); |
135 | for (int j = 1; j <= 8; ++j) |
136 | for (double d = 1; d <= 2; d += .5, ++i) { |
137 | assert(i->first == j); |
138 | assert(i->second == d); |
139 | } |
140 | assert(i == m.end()); |
141 | for (int j = 8; j >= 1; --j) |
142 | for (double d = 2; d >= 1; d -= .5) { |
143 | --i; |
144 | assert(i->first == j); |
145 | assert(i->second == d); |
146 | } |
147 | assert(i == m.begin()); |
148 | } |
149 | #endif |
150 | #if TEST_STD_VER > 11 |
151 | { // N3644 testing |
152 | typedef std::multimap<int, double> C; |
153 | C::iterator ii1{}, ii2{}; |
154 | C::iterator ii4 = ii1; |
155 | C::const_iterator cii{}; |
156 | assert(ii1 == ii2); |
157 | assert(ii1 == ii4); |
158 | |
159 | assert(!(ii1 != ii2)); |
160 | |
161 | assert((ii1 == cii)); |
162 | assert((cii == ii1)); |
163 | assert(!(ii1 != cii)); |
164 | assert(!(cii != ii1)); |
165 | } |
166 | #endif |
167 | |
168 | return 0; |
169 | } |
170 | |