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 // <algorithm>
11
12 // template<InputIterator InIter1, InputIterator InIter2, class OutIter,
13 // Callable<auto, const InIter1::value_type&, const InIter2::value_type&> BinaryOp>
14 // requires OutputIterator<OutIter, BinaryOp::result_type> && CopyConstructible<BinaryOp>
15 // OutIter
16 // transform(InIter1 first1, InIter1 last1, InIter2 first2, OutIter result, BinaryOp binary_op);
17
18 #include <algorithm>
19 #include <functional>
20 #include <cassert>
21
22 #include "test_iterators.h"
23
24 template<class InIter1, class InIter2, class OutIter>
25 void
test()26 test()
27 {
28 int ia[] = {0, 1, 2, 3, 4};
29 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
30 int ib[sa] = {1, 2, 3, 4, 5};
31 OutIter r = std::transform(InIter1(ib), InIter1(ib+sa), InIter2(ia),
32 OutIter(ib), std::minus<int>());
33 assert(base(r) == ib + sa);
34 assert(ib[0] == 1);
35 assert(ib[1] == 1);
36 assert(ib[2] == 1);
37 assert(ib[3] == 1);
38 assert(ib[4] == 1);
39 }
40
main()41 int main()
42 {
43 test<input_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
44 test<input_iterator<const int*>, input_iterator<const int*>, input_iterator<int*> >();
45 test<input_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >();
46 test<input_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
47 test<input_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
48 test<input_iterator<const int*>, input_iterator<const int*>, int*>();
49
50 test<input_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
51 test<input_iterator<const int*>, forward_iterator<const int*>, input_iterator<int*> >();
52 test<input_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
53 test<input_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
54 test<input_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
55 test<input_iterator<const int*>, forward_iterator<const int*>, int*>();
56
57 test<input_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
58 test<input_iterator<const int*>, bidirectional_iterator<const int*>, input_iterator<int*> >();
59 test<input_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
60 test<input_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
61 test<input_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
62 test<input_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
63
64 test<input_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
65 test<input_iterator<const int*>, random_access_iterator<const int*>, input_iterator<int*> >();
66 test<input_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
67 test<input_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
68 test<input_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
69 test<input_iterator<const int*>, random_access_iterator<const int*>, int*>();
70
71 test<input_iterator<const int*>, const int*, output_iterator<int*> >();
72 test<input_iterator<const int*>, const int*, input_iterator<int*> >();
73 test<input_iterator<const int*>, const int*, forward_iterator<int*> >();
74 test<input_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
75 test<input_iterator<const int*>, const int*, random_access_iterator<int*> >();
76 test<input_iterator<const int*>, const int*, int*>();
77
78 test<forward_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
79 test<forward_iterator<const int*>, input_iterator<const int*>, input_iterator<int*> >();
80 test<forward_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >();
81 test<forward_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
82 test<forward_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
83 test<forward_iterator<const int*>, input_iterator<const int*>, int*>();
84
85 test<forward_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
86 test<forward_iterator<const int*>, forward_iterator<const int*>, input_iterator<int*> >();
87 test<forward_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
88 test<forward_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
89 test<forward_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
90 test<forward_iterator<const int*>, forward_iterator<const int*>, int*>();
91
92 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
93 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, input_iterator<int*> >();
94 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
95 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
96 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
97 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
98
99 test<forward_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
100 test<forward_iterator<const int*>, random_access_iterator<const int*>, input_iterator<int*> >();
101 test<forward_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
102 test<forward_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
103 test<forward_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
104 test<forward_iterator<const int*>, random_access_iterator<const int*>, int*>();
105
106 test<forward_iterator<const int*>, const int*, output_iterator<int*> >();
107 test<forward_iterator<const int*>, const int*, input_iterator<int*> >();
108 test<forward_iterator<const int*>, const int*, forward_iterator<int*> >();
109 test<forward_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
110 test<forward_iterator<const int*>, const int*, random_access_iterator<int*> >();
111 test<forward_iterator<const int*>, const int*, int*>();
112
113 test<bidirectional_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
114 test<bidirectional_iterator<const int*>, input_iterator<const int*>, input_iterator<int*> >();
115 test<bidirectional_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >();
116 test<bidirectional_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
117 test<bidirectional_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
118 test<bidirectional_iterator<const int*>, input_iterator<const int*>, int*>();
119
120 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
121 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, input_iterator<int*> >();
122 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
123 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
124 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
125 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, int*>();
126
127 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
128 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, input_iterator<int*> >();
129 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
130 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
131 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
132 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
133
134 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
135 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, input_iterator<int*> >();
136 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
137 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
138 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
139 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, int*>();
140
141 test<bidirectional_iterator<const int*>, const int*, output_iterator<int*> >();
142 test<bidirectional_iterator<const int*>, const int*, input_iterator<int*> >();
143 test<bidirectional_iterator<const int*>, const int*, forward_iterator<int*> >();
144 test<bidirectional_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
145 test<bidirectional_iterator<const int*>, const int*, random_access_iterator<int*> >();
146 test<bidirectional_iterator<const int*>, const int*, int*>();
147
148 test<random_access_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
149 test<random_access_iterator<const int*>, input_iterator<const int*>, input_iterator<int*> >();
150 test<random_access_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >();
151 test<random_access_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
152 test<random_access_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
153 test<random_access_iterator<const int*>, input_iterator<const int*>, int*>();
154
155 test<random_access_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
156 test<random_access_iterator<const int*>, forward_iterator<const int*>, input_iterator<int*> >();
157 test<random_access_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
158 test<random_access_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
159 test<random_access_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
160 test<random_access_iterator<const int*>, forward_iterator<const int*>, int*>();
161
162 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
163 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, input_iterator<int*> >();
164 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
165 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
166 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
167 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
168
169 test<random_access_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
170 test<random_access_iterator<const int*>, random_access_iterator<const int*>, input_iterator<int*> >();
171 test<random_access_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
172 test<random_access_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
173 test<random_access_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
174 test<random_access_iterator<const int*>, random_access_iterator<const int*>, int*>();
175
176 test<random_access_iterator<const int*>, const int*, output_iterator<int*> >();
177 test<random_access_iterator<const int*>, const int*, input_iterator<int*> >();
178 test<random_access_iterator<const int*>, const int*, forward_iterator<int*> >();
179 test<random_access_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
180 test<random_access_iterator<const int*>, const int*, random_access_iterator<int*> >();
181 test<random_access_iterator<const int*>, const int*, int*>();
182
183 test<const int*, input_iterator<const int*>, output_iterator<int*> >();
184 test<const int*, input_iterator<const int*>, input_iterator<int*> >();
185 test<const int*, input_iterator<const int*>, forward_iterator<int*> >();
186 test<const int*, input_iterator<const int*>, bidirectional_iterator<int*> >();
187 test<const int*, input_iterator<const int*>, random_access_iterator<int*> >();
188 test<const int*, input_iterator<const int*>, int*>();
189
190 test<const int*, forward_iterator<const int*>, output_iterator<int*> >();
191 test<const int*, forward_iterator<const int*>, input_iterator<int*> >();
192 test<const int*, forward_iterator<const int*>, forward_iterator<int*> >();
193 test<const int*, forward_iterator<const int*>, bidirectional_iterator<int*> >();
194 test<const int*, forward_iterator<const int*>, random_access_iterator<int*> >();
195 test<const int*, forward_iterator<const int*>, int*>();
196
197 test<const int*, bidirectional_iterator<const int*>, output_iterator<int*> >();
198 test<const int*, bidirectional_iterator<const int*>, input_iterator<int*> >();
199 test<const int*, bidirectional_iterator<const int*>, forward_iterator<int*> >();
200 test<const int*, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
201 test<const int*, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
202 test<const int*, bidirectional_iterator<const int*>, int*>();
203
204 test<const int*, random_access_iterator<const int*>, output_iterator<int*> >();
205 test<const int*, random_access_iterator<const int*>, input_iterator<int*> >();
206 test<const int*, random_access_iterator<const int*>, forward_iterator<int*> >();
207 test<const int*, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
208 test<const int*, random_access_iterator<const int*>, random_access_iterator<int*> >();
209 test<const int*, random_access_iterator<const int*>, int*>();
210
211 test<const int*, const int*, output_iterator<int*> >();
212 test<const int*, const int*, input_iterator<int*> >();
213 test<const int*, const int*, forward_iterator<int*> >();
214 test<const int*, const int*, bidirectional_iterator<int*> >();
215 test<const int*, const int*, random_access_iterator<int*> >();
216 test<const int*, const int*, int*>();
217 }
218