1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<InputIterator InIter, class OutIter,
// EquivalenceRelation<auto, InIter::value_type> Pred>
// requires OutputIterator<OutIter, RvalueOf<InIter::value_type>::type>
// && HasAssign<InIter::value_type, InIter::reference>
// && Constructible<InIter::value_type, InIter::reference>
// && CopyConstructible<Pred>
// OutIter
// unique_copy(InIter first, InIter last, OutIter result, Pred pred);
#include <algorithm>
#include <cassert>
#include "test_iterators.h"
struct count_equal
{
static unsigned count;
template <class T>
bool operator()(const T& x, const T& y)
{++count; return x == y;}
};
unsigned count_equal::count = 0;
template <class InIter, class OutIter>
void
test()
{
const int ia[] = {0};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
int ja[sa] = {-1};
count_equal::count = 0;
OutIter r = std::unique_copy(InIter(ia), InIter(ia+sa), OutIter(ja), count_equal());
assert(base(r) == ja + sa);
assert(ja[0] == 0);
assert(count_equal::count == sa-1);
const int ib[] = {0, 1};
const unsigned sb = sizeof(ib)/sizeof(ib[0]);
int jb[sb] = {-1};
count_equal::count = 0;
r = std::unique_copy(InIter(ib), InIter(ib+sb), OutIter(jb), count_equal());
assert(base(r) == jb + sb);
assert(jb[0] == 0);
assert(jb[1] == 1);
assert(count_equal::count == sb-1);
const int ic[] = {0, 0};
const unsigned sc = sizeof(ic)/sizeof(ic[0]);
int jc[sc] = {-1};
count_equal::count = 0;
r = std::unique_copy(InIter(ic), InIter(ic+sc), OutIter(jc), count_equal());
assert(base(r) == jc + 1);
assert(jc[0] == 0);
assert(count_equal::count == sc-1);
const int id[] = {0, 0, 1};
const unsigned sd = sizeof(id)/sizeof(id[0]);
int jd[sd] = {-1};
count_equal::count = 0;
r = std::unique_copy(InIter(id), InIter(id+sd), OutIter(jd), count_equal());
assert(base(r) == jd + 2);
assert(jd[0] == 0);
assert(jd[1] == 1);
assert(count_equal::count == sd-1);
const int ie[] = {0, 0, 1, 0};
const unsigned se = sizeof(ie)/sizeof(ie[0]);
int je[se] = {-1};
count_equal::count = 0;
r = std::unique_copy(InIter(ie), InIter(ie+se), OutIter(je), count_equal());
assert(base(r) == je + 3);
assert(je[0] == 0);
assert(je[1] == 1);
assert(je[2] == 0);
assert(count_equal::count == se-1);
const int ig[] = {0, 0, 1, 1};
const unsigned sg = sizeof(ig)/sizeof(ig[0]);
int jg[sg] = {-1};
count_equal::count = 0;
r = std::unique_copy(InIter(ig), InIter(ig+sg), OutIter(jg), count_equal());
assert(base(r) == jg + 2);
assert(jg[0] == 0);
assert(jg[1] == 1);
assert(count_equal::count == sg-1);
const int ih[] = {0, 1, 1};
const unsigned sh = sizeof(ih)/sizeof(ih[0]);
int jh[sh] = {-1};
count_equal::count = 0;
r = std::unique_copy(InIter(ih), InIter(ih+sh), OutIter(jh), count_equal());
assert(base(r) == jh + 2);
assert(jh[0] == 0);
assert(jh[1] == 1);
assert(count_equal::count == sh-1);
const int ii[] = {0, 1, 1, 1, 2, 2, 2};
const unsigned si = sizeof(ii)/sizeof(ii[0]);
int ji[si] = {-1};
count_equal::count = 0;
r = std::unique_copy(InIter(ii), InIter(ii+si), OutIter(ji), count_equal());
assert(base(r) == ji + 3);
assert(ji[0] == 0);
assert(ji[1] == 1);
assert(ji[2] == 2);
assert(count_equal::count == si-1);
}
int main()
{
test<input_iterator<const int*>, output_iterator<int*> >();
test<input_iterator<const int*>, forward_iterator<int*> >();
test<input_iterator<const int*>, bidirectional_iterator<int*> >();
test<input_iterator<const int*>, random_access_iterator<int*> >();
test<input_iterator<const int*>, int*>();
test<forward_iterator<const int*>, output_iterator<int*> >();
test<forward_iterator<const int*>, forward_iterator<int*> >();
test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
test<forward_iterator<const int*>, random_access_iterator<int*> >();
test<forward_iterator<const int*>, int*>();
test<bidirectional_iterator<const int*>, output_iterator<int*> >();
test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
test<bidirectional_iterator<const int*>, int*>();
test<random_access_iterator<const int*>, output_iterator<int*> >();
test<random_access_iterator<const int*>, forward_iterator<int*> >();
test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
test<random_access_iterator<const int*>, random_access_iterator<int*> >();
test<random_access_iterator<const int*>, int*>();
test<const int*, output_iterator<int*> >();
test<const int*, forward_iterator<int*> >();
test<const int*, bidirectional_iterator<int*> >();
test<const int*, random_access_iterator<int*> >();
test<const int*, int*>();
}
|
